Wszystkie pola: air transport emission - Katalog OPAC zbiorów

Skocz do pozycji: 1.

Tytuł:: Analysis of the ecological effectiveness of passenger transport by jets of various sizes
Autorzy:: Kardach, Monika
Galant, Marta
Fuć, Paweł
Powiązania:: https://bibliotekanauki.pl/articles/133210.pdf
Data publikacji:: 2019
Wydawca:: Polskie Towarzystwo Naukowe Silników Spalinowych
Tematy:: LTO cycle
jet aircraft
air transport emission
cykl LTO
samolot odrzutowy
emisja z transportu lotniczego
Opis:: The article’s aim was to compare an ecological effectiveness of a common jetliner with 189 passenger capacity flying on two CFM engines and a very light jet business aircraft designed to carry up to 8 people on board. The carried-out analysis showed that the NO_x emission per passenger in Very Light Jet (VLJ) is three times higher than in common jet airliner, furthermore there is 15 times difference in CO emission. Based on the results of the analysis, it can be stated that it is appropriate to extend the certification of engines to smaller units, as well as to adjust the LTO test beyond laboratory conditions.
Źródło:: Combustion Engines; 2019, 58, 3; 252-256
2300-9896
2658-1442
Pojawia się w:: Combustion Engines
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 2.

Tytuł:: Evaluation of applied provisions and technologies on ship emission and air quality
Autorzy:: Pawlak, M.
Powiązania:: https://bibliotekanauki.pl/articles/243593.pdf
Data publikacji:: 2016
Wydawca:: Instytut Techniczny Wojsk Lotniczych
Tematy:: transport
exhaust emission
marine engines
air pollution
modelling
Opis:: Although perceived as the most environmentally friendly means of transport, ships are a significant source of pollution to the environment. The vast majority of emissions in EU sea areas are emitted from cargo ships over 500 GT. About 45% of all emissions come from EU flagged ships and approximately 20% of emissions are emitted within the 12-mile limit of territorial seas. In port cities, ship emissions are in many cases a dominant source of pollution and need to be addressed when considering compliance with legally binding air quality objectives. Moreover, emissions from ships travel over hundreds of kilometres and can thus contribute to air quality problems on land even if they are emitted at sea. This is particularly relevant for the deposition of sulphur and nitrogen compounds, which cause acidification of natural ecosystems and threaten biodiversity through excessive nitrogen inputs. Emission of toxic compounds in marine engines exhausts is limited by international legal provisions, namely MARPOL convention, which in Annex VI sets limits to SOx and NOx emissions and designates special areas where the limits are stringent. To comply with the provisions, marine vessels need to be equipped with installations reducing emissions to permissible levels or turn to alternative fuels. The paper presents evaluation of impact of those having been in force for the last decade limitations as well as of applied new technological solutions on improvement of air quality. The analysis was conducted for the Baltic Sea, based on available data on ship traffic in the area and emission factors.
Źródło:: Journal of KONES; 2016, 23, 4; 381-388
1231-4005
2354-0133
Pojawia się w:: Journal of KONES
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 3.

Tytuł:: Minimum emission unconventional MAGLEV assisted take-off
Autorzy:: Majka, A.
Powiązania:: https://bibliotekanauki.pl/articles/246124.pdf
Data publikacji:: 2014
Wydawca:: Instytut Techniczny Wojsk Lotniczych
Tematy:: air transport
green trajectory
take-off
aircraft emission
magnetic levitation
Opis:: Among the most important problems faced by the air transport today there can be mentioned some negative influences of aircraft and airports on the environment and the increasing costs of air transport. One of the possibilities to improve the situation is to work out innovative solutions aimed at decreasing of the aircraft pollution and improving the transport effectiveness. Among the most innovative ideas is the use of magnetic levitation (MAGLEV) to aid the take-off and landing of the transport aircraft. The “Integrated Ground and on-Board system for Support of the Aircraft Safe Take-off and Landing” – GABRIEL, deals with radically new integration of the MAGLEV technology into the air transportation system that contains aircraft, airport, air traffic control, authority, logistic and operational support, maintenance, etc. GABRIEL idea includes operation of the aircraft without the conventional undercarriage system and using the ground based power and supporting systems for take-offs and landings. In case of using the GABRIEL system as a catapult, the aircraft on the track must be accelerated to the speed permitting to reach the altitude of 300 m or more. Such take-off and climb results in minimum noise and minimal emission of substances harmful for the environment. After reaching the altitude of 300 m, the aircraft may follow its flight with using different flight strategies. Different conditions of the unconventional take-off needs to shape other way the trajectory of the initial stage of the aircraft flight after the lift-off. The aim of the present work was to determine the optimal conditions of the lift-off and the optimal trajectory of the initial climb minimizing the emission. Simplified realization of the Ritz- Galerkin method was used in this work, which uses an approximate solution to boundary value problems for determining the optimal flight trajectory.
Źródło:: Journal of KONES; 2014, 21, 4; 335-342
1231-4005
2354-0133
Pojawia się w:: Journal of KONES
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 4.

Tytuł:: Porównanie emisji dwutlenku węgla dla różnych rodzajów transportu
Comparison of carbon dioxide emission for different modes of transport
Autorzy:: Witaszek, M.
Witaszek, K.
Powiązania:: https://bibliotekanauki.pl/articles/197552.pdf
Data publikacji:: 2015
Wydawca:: Politechnika Śląska. Wydawnictwo Politechniki Śląskiej
Tematy:: emission
carbon dioxide
road transport
railway transport
air transport
water transport
emisja
dwutlenek węgla
transport drogowy
transport kolejowy
transport lotniczy
transport wodny
Opis:: This article presents a comparison of carbon dioxide emission during passengers and freight transporting by different transport modes. Because of significant diversity of transport means, the emissions expressed in grams per passenger kilometre or tonne kilometre were compared. Available data published in references were used to achieve this goal. The comparison revealed significant differences between transport modes as well as inside them, between transport means. High CO2 emission during aircrafts takeoff caused a necessity to take into account the flight distance for the air transport.
W niniejszym artykule porównano emisję dwutlenku węgla podczas przemieszczania pasażerów i ładunków różnymi rodzajami transportu. Z uwagi na dużą różnorodność środków transportu porównano emisję wyrażoną w gramach na pasażerokilometr lub tonokilometr pracy przewozowej. Do porównania wykorzystano dane dostępne w literaturze. Pozwoliło to na określenie występujących różnic dla poszczególnych rodzajów transportu, a także w ramach danego rodzaju pomiędzy różnymi środkami transportu. Z uwagi na dużą emisję towarzyszącą startowi i wznoszeniu się samolotów w przypadku transportu lotniczego konieczne było uwzględnienie pokonywanej odległości.
Źródło:: Zeszyty Naukowe. Transport / Politechnika Śląska; 2015, 88; 145-153
0209-3324
2450-1549
Pojawia się w:: Zeszyty Naukowe. Transport / Politechnika Śląska
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 5.

Tytuł:: Approval tests and evaluation of emission properties of vehicle
Autorzy:: Majerczyk, A.
Powiązania:: https://bibliotekanauki.pl/articles/246994.pdf
Data publikacji:: 2013
Wydawca:: Instytut Techniczny Wojsk Lotniczych
Tematy:: transport
road transport
combustion engines
air pollution
environmental protection
Opis:: Operation of vehicles equipped with combustion engines is a source of pollution. That is why the emissions from this source are restricted. The emissions reduction system consists of several steps, whose basic component is a typeapproval of vehicle in terms of emissions level and admission to the registration of vehicles that meets the requirements for emissions. It is assumed, that the gradual reduction of emissions limits will improve the emission properties of the vehicles, and gradual withdrawal of used vehicles, will reduce of emissions growth. The basis for issuing opinions on a vehicle's exhaust emissions is the measurement of emissions performed in the laboratory on a chassis dynamometer in reproducible conditions of preparing the vehicle for testing, test replication, fuel for the engine, and the procedure for collecting the exhaust gas analysis. Motor Transport Institute conducts the type approval tests, as well as the research on emissions from vehicles in the real traffic conditions, which are used to determine the actual emission from the vehicle population. Emission tests for applications, that go beyond the application of type approval show, that there are vehicles whose emissions in operation is substantially different from the emissions measured during type approval. It is a natural phenomenon in the case of used vehicles and vehicles with engine malfunctions or exhaust aftertreatment system defect. However, there are vehicles whose emissions under specific operating traffic conditions are significantly different from the values obtained in the course of type approval tests, despite the good properties of emission measured under the conditions provided by the type-approval procedure. The article discusses the results of the emissions from vehicles, obtained in the tests used to determine the emission factors for vehicles used in real traffic conditions, thus taking into account emissions from vehicles, made under different conditions than the type approval tests, which show that, in terms of driving cycles, which are not covered by the emission test procedure, can multiply and exceed the approved values.. This is particularly true for modern diesel engines.
Źródło:: Journal of KONES; 2013, 20, 4; 245-251
1231-4005
2354-0133
Pojawia się w:: Journal of KONES
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 6.

Tytuł:: A generalized method for assessing emissions from road and air transport on the example of Warsaw Chopin Airport
Autorzy:: Wasiak, Mariusz, Jacek
Niculescu, Adrian Ioan
Kowalski, Mirosław
Powiązania:: https://bibliotekanauki.pl/articles/230792.pdf
Data publikacji:: 2020
Wydawca:: Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:: transport drogowy
transport lotniczy
emisja hałasu
zanieczyszczenie powietrza
koszt zewnętrzny
Lotnisko Chopina
road transport
air transport
noise emission
air pollution
external cost
Warsaw Chopin Airport
Opis:: The article presents a method for assessing emissions of harmful substances and noise from road and air transport, as well as a combined assessment of the emissions of these transport pollutants. The original analytical dependencies reflecting the emissions of harmful substances from road transport, developed as part of the EMITRANSYS project implemented at the Faculty of Transport of the Warsaw University of Technology, were taken into consideration, in which the unit values of the actual road emissions of harmful substances are a function of, among other things, route length or speed of the vehicles. However, the dependencies associated with noise emissions were taken from the applicable international guidelines for assessing environmental pollution by traffic noise. The article also describes a case study in which the impact of Warsaw Chopin Airport on noise along the Warsaw road network and the entire Warsaw agglomeration was assessed. Analyses and discussions were carried out in the scope of the change in transport noise due to air operations carried out in the analysed area. As agreed, the combined impact of road and aircraft noise in the area under study is far more unfavourable than street noise alone. Thus, it can be seen that the assessment of noise levels carried out separately for individual modes of transport (in accordance with applicable regulations) should be supplemented with the assessment of traffic noise from all modes of transport – especially in the case of simulation tests of ecologically friendly changes in the area of transport.
Źródło:: Archives of Civil Engineering; 2020, 66, 2; 399-419
1230-2945
Pojawia się w:: Archives of Civil Engineering
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 7.

Tytuł:: Emisja zanieczyszczeń spalinowych przez autobusy komunikacji miejskiej
Emission of pollutants by public transport buses
Autorzy:: Filipowicz, J.
Filipowicz, P.
Zaprawa, K.
Powiązania:: https://bibliotekanauki.pl/articles/310678.pdf
Data publikacji:: 2017
Wydawca:: Instytut Naukowo-Wydawniczy "SPATIUM"
Tematy:: autobusy komunikacji miejskiej
emisja spalin
zanieczyszczenie powietrza
city transport buses
exhaust emission
air pollutions
Opis:: W artykule przedstawiony został problem zagrożenia środowiska miejskiego i jego otoczenia spowodowanego emisją szkodliwych substancji zawartych w spalinach silników autobusów miejskich. Przedstawiono podział i rodzaje zanieczyszczeń oraz parametry odpowiedzialne za metodologię ich szacunkowego obliczania przy uwzględnieniu rodzaju emisji oraz aspektów determinujących ich wielkość.
The article presents the problem of the threat to the urban environment and its environment caused by emissions of harmful substances contained in exhaust gas of city bus engines. The division and types of pollutants and the parameters responsible for the methodology of their estimated calculations, taking into account the type of emissions and the dimensions determining their size, are presented.
Źródło:: Autobusy : technika, eksploatacja, systemy transportowe; 2017, 18, 9; 52-55
1509-5878
2450-7725
Pojawia się w:: Autobusy : technika, eksploatacja, systemy transportowe
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 8.

Tytuł:: Analysis of the performance of an aircraft powered by hybrid propulsion
Autorzy:: Majka, Andrzej
Muszyńska-Pałys, Jagoda
Powiązania:: https://bibliotekanauki.pl/articles/24202466.pdf
Data publikacji:: 2023
Wydawca:: Polskie Towarzystwo Naukowe Silników Spalinowych
Tematy:: air transport
hybrid power unit
electric aircraft
Small Air Transport
SAT
aircraft emission
transport lotniczy
jednostka napędu hybrydowego
samolot elektryczny
emisja lotnicza
Opis:: Travel is an inseparable part of human life. It is connected not only with private life but also with business life. People want to travel more, farther and faster. That is why air transport is currently one of the fastest-growing areas of passenger transport, and airlines carry more and more passengers from year to year. Due to the growing negative impact of air transport on the natural environment, research aimed at the development of technologies to reduce the negative impact of air transport is becoming more and more important. One of the possibilities for improving the situation is the use of alternative energy sources, limiting the emission of greenhouse gases into the atmosphere. The paper aimed to analyze the meaningfulness of replacing the classic power unit in a light transport aircraft with a hybrid, combustion-electric power unit. Analyzes were made with the use of simulation methods for the PZL M-28 aircraft.
Źródło:: Combustion Engines; 2023, 62, 2; 45--51
2300-9896
2658-1442
Pojawia się w:: Combustion Engines
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 9.

Tytuł:: The influence of longitudinal slope of main road carriage-way on the mass emission from road transport in the atmospheric air
Vlijanie prodol'nogo uklona proezzhejj chasti magistrali na massu vybrosov ot avtomobil'nogo transporta v atmosferu
Autorzy:: Solukha, I.
Powiązania:: https://bibliotekanauki.pl/articles/77494.pdf
Data publikacji:: 2015
Wydawca:: Komisja Motoryzacji i Energetyki Rolnictwa
Tematy:: longitudinal slope
public main road
mass emission
pollutant
motor transport
road transport
atmospheric air
Źródło:: Motrol. Motoryzacja i Energetyka Rolnictwa; 2015, 17, 8
1730-8658
Pojawia się w:: Motrol. Motoryzacja i Energetyka Rolnictwa
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 10.

Tytuł:: Lowering of exhaust emission in modern two - stroke engine
Autorzy:: Mitianiec, W.
Rodak, Ł.
Powiązania:: https://bibliotekanauki.pl/articles/246651.pdf
Data publikacji:: 2012
Wydawca:: Instytut Techniczny Wojsk Lotniczych
Tematy:: transport
experiments
combustion engines
air pollution
Opis:: In the article the results of experimental tests carried out on the modified SI two-stroke experimental combustion engine with direct fuel injection system and the prototype of the oxidizing catalytic converter are presented. Volumetric exhaust emissions of the most important chemical components are many times smaller than standard limits of gaseous emissions given by EU directive for the new stationary engines applied in non-road vehicles and machines Spark ignition two-stroke engine fitted with a catalytic reactor is characterized by high temperature of exhaust gases, which the energy may be used in cogeneration systems. The paper presents the test stand, volumetric concentration of the main components of exhaust gases, results of converted emissions and fuel consumption as a function of air excess coefficient at chosen rotational speeds together with the assessment of the test results. There is decreasing of CO and HC emission during increasing of air excess coefficient and a strong increase of CO2 behind the catalytic converter. Application of catalytic converter in the outflow system together with direct fuel injection of the tested two-stroke engine enables to achieve values of exhaust emission of main toxic chemical components close to automobile four stroke engines. The paper presents also the comparison of exhaust gas emission of this engine with other engines equipped with different fuelling systems. Presented work is the successor of a wide range of research work in the field of development of modern two-stroke engines carried out in the Cracow University of Technology.
Źródło:: Journal of KONES; 2012, 19, 2; 337-344
1231-4005
2354-0133
Pojawia się w:: Journal of KONES
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 11.

Tytuł:: Emisja wybranych, toksycznych składników spalin przez różne środki transportu
Chosen toxic components of exhaust gasses emission for different means of transport
Autorzy:: Witaszek, M.
Witaszek, K.
Powiązania:: https://bibliotekanauki.pl/articles/196212.pdf
Data publikacji:: 2015
Wydawca:: Politechnika Śląska. Wydawnictwo Politechniki Śląskiej
Tematy:: emisja
tlenek azotu
węglowodory
tlenek węgla
cząstki stałe
transport
drogowy
transport kolejowy
transport lotniczy
emission
nitrogen oxide
hydrocarbons
carbon monoxide
particles
road transport
railway transport
air transport
Opis:: W niniejszym artykule zestawiono emisję: tlenków azotu, węglowodorów, tlenku węgla i cząstek stałych dla różnych środków transportu. W zestawieniu uwzględniono transport: drogowy, kolejowy i lotniczy. Do analizy użyto danych dostępnych w literaturze. Przedstawiono je oddzielnie dla każdego z ww. rodzajów transportu. W celu ułatwienia porównania środków pasażerskiego i towarowego transportu drogowego zestawiono dane dotyczące emisji przypadającej na jednostkę drogi. Ponadto, zaprezentowano dane dotyczące emisji na jednostkę pracy przewozowej, która umożliwia porównanie transportu drogowego z kolejowym i lotniczym. Porównanie to umożliwiło określenie różnic występujących pomiędzy poszczególnymi rodzajami transportu. W transporcie lotniczym zaobserwowano istotny wpływ odległości pokonywanej w trakcie lotu na emisję. W przypadku lotów w kierunku zbliżonym do równoleżnikowego istotne jest także, czy odbywa się on zgodnie z ruchem Ziemi czy przeciwnie do niego.
This article presents data that concerns emission of nitrogen oxides, hydrocarbons, carbon monoxide and particles by different transport means. The road, rail and air transport were taken into account. The data published in references were analysed. To compare freight and passenger road transport emission expressed in grams per kilometre was presented. The emission in mg per passenger-kilometre enabled comparison of cars trains and planes in terms of air pollutant discharge. The data comparison revealed significant differences between transport modes. For aviation significant influence of flight distance on emission was observed. For flights running evenly with a parallel of latitude also the direction – according or opposite to the Earth rotation is significant.
Źródło:: Zeszyty Naukowe. Transport / Politechnika Śląska; 2015, 87; 105-112
0209-3324
2450-1549
Pojawia się w:: Zeszyty Naukowe. Transport / Politechnika Śląska
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 12.

Tytuł:: Exhaust emission from vehicles under real road traffic conditions - a new chance for PTI
Autorzy:: Merkisz, J.
Gis, W.
Powiązania:: https://bibliotekanauki.pl/articles/244862.pdf
Data publikacji:: 2008
Wydawca:: Instytut Techniczny Wojsk Lotniczych
Tematy:: exhaust emission
road transport
combustion engines
air pollution
environment protection
Opis:: The paper presents regulations and methods of testing emissions of exhaust toxic components from vehicles, particularly with respect to research methods under real road traffic conditions. In Europe, legal regulations determine emission values of the exhaust toxic components: carbon monoxide CO, unburned hydrocarbons HC and hydrocarbons released by evaporation (VOC - Volatile Organic Compound), nitrogen oxides NOx, and also PM emitted with the exhaust gasses. Emission of the harmful substances from the vehicles is tested on the chassis dynamometer, and the combustion engines them, on engine test bench. Due to a high cost of the test equipment and complexity of the tests, it is possible to use one measuring system, for both types of stands. Basic EU Directives and UN-ECE Regulations contain rules on conducting the aforementioned tests together with the regulations for the measuring equipment. In the beginning of 2005 in Europe the introduction of a new set of regulations began be introduced, concerning emissions from the M1 and N1 category vehicles. They are called Euro IV (currently obligatory) and Euro V (introduced in 2008). New regulations introduced not only more stringent requirements for the vehicles they refer to, but also for the research laboratories as far as the equipment level and research methods are concerned. Compliance with these requirements is being verified during type approval of vehicles, conformity of production (COP), and in-service conformity.
Źródło:: Journal of KONES; 2008, 15, 4; 321-330
1231-4005
2354-0133
Pojawia się w:: Journal of KONES
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 13.

Tytuł:: Technical and environmental limitations of pro-ecological transport system designing
Autorzy:: Jacyna, M.
Żak, J.
Pyza, D.
Gołębiowski, P.
Powiązania:: https://bibliotekanauki.pl/articles/241921.pdf
Data publikacji:: 2014
Wydawca:: Instytut Techniczny Wojsk Lotniczych
Tematy:: pro-ecological transport system
transport
air pollution
emission of exhaust fumes
EMITRANSYS
Opis:: Transport is one of the most environmentally destructive branches of economy. It contributes to environmental degradation and influences negatively on human live. It should therefore seek to reduce the negative impact on the environment. The paper presents many aspects of development of the national transport system. In article characterized technical constraints and environmental issues, which are applicable to the designing of pro-ecological transport system. Presented in it also indicators of the proposed design solution quality. In shaping the pro-ecological system the special role plays environmental restrictions, because they mainly determine the quality of solutions in terms of minimizing the negative impact of transport on the environment. Technical factors are equally important, because they allow, among others, reducing the external costs of congestions and allow on the creation of transport tasks on the appropriate level. In particularly, EU requirements for sustainable development of the transport system, the components of the external costs arising from the sphere of transport, indicators and ecological limitations in designing of pro-ecological transport system, ecological limitations, technical limitations, indicators for assessing pro-ecological transport system are presented in the paper.
Źródło:: Journal of KONES; 2014, 21, 4; 555-564
1231-4005
2354-0133
Pojawia się w:: Journal of KONES
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 14.

Tytuł:: Analysis of the wind dependent duration of the cruise phase on jet engine exhaust emissions
Autorzy:: Pawlak, M.
Kuźniar, M.
Powiązania:: https://bibliotekanauki.pl/articles/245313.pdf
Data publikacji:: 2018
Wydawca:: Instytut Techniczny Wojsk Lotniczych
Tematy:: air transport
jet engines
air pollution
emission
exhausts
wind impact
Opis:: Nowadays more and more attention is paid to minimizing the costs of air operations. The largest share in the cost of the flight is the cost of consumed fuel. Taking into account the external conditions, having impact on the aircraft, such as wind direction and magnitude when planning the aircraft trajectory it is possible to reduce flight time and thus reduce fuel consumption. An additional advantage is the simultaneous reduction of pollutants in the jet engines exhausts. In the times of pro-ecological trends and concepts (e.g. Clean Sky, Single European Sky, CORSIA) this aspect is of crucial importance. The emission of selected pollutants in the jet engine exhausts (NOx, CO and HC) emitted during the flight of a business jet on the route whose cruise phase was assumed 1000 km long was determined in the article. The aircraft used in the research was Gulfstream GIV, powered by two Rolls Royce TAY 611-C engines, for which a cruising altitude of 10 km and a flight speed of 0.8 Ma were assumed. The thrust necessary for the flight at these cruise parameters was set, and then the engine thrust appropriate for the flight and the corresponding specific fuel consumption were determined. On this basis, based on the available ICAO data, the emission of selected pollutants in tis engines exhausts was determined for windless conditions. Next, the analysis of the impact of wind - its magnitude and direction – on the emission of these pollutants was made. The results of the conducted analyses are presented in diagrams and discussed in the conclusions.
Źródło:: Journal of KONES; 2018, 25, 3; 371-376
1231-4005
2354-0133
Pojawia się w:: Journal of KONES
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 15.

Tytuł:: An application of artificial neural network to exhaust emission modelling from diesel engine
Autorzy:: Reszka, K.
Rakoczy, J.
Morgiel, J.
Powiązania:: https://bibliotekanauki.pl/articles/242238.pdf
Data publikacji:: 2011
Wydawca:: Instytut Techniczny Wojsk Lotniczych
Tematy:: transport
road transport
simulation
combustion engines
air pollution
environmental protection
Opis:: Processes of the combustion of liquid fuels and solid are more complex than combustion of fuel gases. With reference to liquid fuels occur additionally processes of vaporization of the fuel, and with reference to solid fuels - decomposition of the solid phase with processes of melting and vaporization, pyrolysis, or gasification. This simultaneous and also different influence of different parameters is sometimes a reason of incorrect interpretation of experimental results. The study of the theoretical model of the combustion process concerning of liquid and solid fuels and which then the model takes into account also the gas- phase, because combustion processes take place in this phase, and occurs the interaction of the phase gas- and liquid or the solid one. The theoretical model is presented basing on experimental initial researches realized in a model with reference to liquid fuels and solid ones. Researches realized in the constant volume chamber with measurements of the pressure during the process of the combustion with the use of quick photography and with measurement of the distribution of the velocity in the spray of the fuel and droplet measurements by means the laser Doppler equipment LDV and PDPA. There were obtained a good agreement of findings experimental researches with the theoretical model. Generally on the combustion velocity of liquid fuels and solid one significant influence has a kind (laminar, temporary and turbulent) and the thickness of the thermal boundary layer.
Źródło:: Journal of KONES; 2011, 18, 2; 365-367
1231-4005
2354-0133
Pojawia się w:: Journal of KONES
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 16.

Tytuł:: Ograniczanie emisyjności pojazdów w transporcie drogowym. Pojazdy hybrydowe i elektryczne w Polsce – perspektywy i bariery rozwoju
Limiting emission from road transport. Hybrid and electric vehicles in Poland – perspectives and barriers for market development
Autorzy:: Krzak, Jacek
Powiązania:: https://bibliotekanauki.pl/articles/16539512.pdf
Data publikacji:: 2012
Wydawca:: Kancelaria Sejmu. Biuro Analiz Sejmowych
Tematy:: road transport
air pollution
emission standards
electric car
Opis:: In this paper the author addresses the issue of road transport in the context of its environmental impact. The article discusses the issue of air pollution from motor vehicle emissions and various methods of tackling this problem. The first section provides an overview of the most important data related to air pollution caused by road transport and the main EU regulations concerning vehicle emission standards. The second section of the article is devoted to barriers that hinder the growth of the hybrid and electric vehicle market. This analysis is carried out on the basis of the vehicle market conditions in Poland.
Źródło:: Studia BAS; 2012, 1(29); 161-184
2080-2404
2082-0658
Pojawia się w:: Studia BAS
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 17.

Tytuł:: Influence of selected sources of pollutants emissions on the air quality in Cracow
Autorzy:: TRELA, Mariusz
Powiązania:: https://bibliotekanauki.pl/articles/529829.pdf
Data publikacji:: 2016-12-31
Wydawca:: Wyższa Szkoła Bankowa we Wrocławiu
Tematy:: pollutants emission
coal fired boilers
road transport
environmental protection
Opis:: The article is an attempt to estimate the emissions of pollutants such as particulate matter (PM), nitrogen oxides (NOx), sulfur dioxide (SO2) and carbon dioxide (CO2) in Cracow in 2015 resulting from the solid-fuel boilers (especially coal fired boilers) and fireplaces and emissions resulting from the operation of road vehicles. Estimated emissions of pollutants were compared with the emissions of plants of significant nuisance to air quality in Cracow. Conclusions have been drawn about the directions of Cracow authority policy in environmental protection.
Źródło:: Central and Eastern European Journal of Management and Economics (CEEJME); 2016, 4; 321-332
2353-9119
Pojawia się w:: Central and Eastern European Journal of Management and Economics (CEEJME)
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 18.

Tytuł:: Evaluation methods of the impact of motorization on the quality of the atmospheric air
Autorzy:: Skrętowicz, M.
Sitnik, L.
Każmierczak, A.
Magdziarz-Tokłowicz, M.
Powiązania:: https://bibliotekanauki.pl/articles/242005.pdf
Data publikacji:: 2014
Wydawca:: Instytut Techniczny Wojsk Lotniczych
Tematy:: vehicle
exhaust emission
ecology
road transport
combustion engines
air pollution
Opis:: The automotive industry is one of the fastest developing branches in the world. From year to year on the roads appear more and more cars. In the modern vehicles, better and more efficient technologies reducing exhaust emission are applied. However, the cars are still the leading source of air pollution, especially in towns and cities. Car exhaust gases have adverse effect on the human health, because they form so-called “low emission”. It means that they are released into the troposphere at the people living height. As a result, people are exposed to the direct and long-lasting contact with the fumes. Therefore, precise assessment is very important to the vehicles’ impact on the quality of the atmospheric air. The review of the evaluation methods of the impact of vehicles on the air quality was presented in the paper, with special regard to the mathematical dispersion modelling of the exhaust gases. In particular, NOx emission by sector in Poland, changing NOx emissions from road transport in Poland in the years 2000-2009 with regard to the change in the number of cars, vertical cross-section of a typical symmetric urban street canyon are presented in the paper.
Źródło:: Journal of KONES; 2014, 21, 4; 445-452
1231-4005
2354-0133
Pojawia się w:: Journal of KONES
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 19.

Tytuł:: The emissivity of the turbine engine powered by biofuel
Emisyjność turbinowego silnika zasilanego biopaliwem
Autorzy:: Pielecha, J.
Jasiński, R.
Markowski, J.
Powiązania:: https://bibliotekanauki.pl/articles/195754.pdf
Data publikacji:: 2017
Wydawca:: Politechnika Rzeszowska im. Ignacego Łukasiewicza. Oficyna Wydawnicza
Tematy:: biofuel
jet engine
emission
air transport
biopaliwo
silnik odrzutowy
emisja
transport lotniczy
Opis:: Air transport is the youngest and most dynamically developing branch of transport. Growth in demand for air transport, both passenger and freight, is caused by the competitiveness of this branch primarily in terms of time and transport safety. An increase in the volume of air traffic is associated with increased emissions, which is particularly important in the case of aircraft operations in the areas of airports. The main reason for the development of aircraft engines is the reduction of fuel consumption and exhaust emissions. Emission standards for aircraft engines certification marginally treat the issue of particulate matter emissions, which is associated with deterioration of visibility appearing as smog and contributes to lung and heart diseases. One of the solutions for limiting the negative impact of the aircraft on the environment is the use of alternative fuels. Production of biofuels in accordance with the principles of sustainable development, is an attractive alternative, especially because of the lack of space constraints of their production allows the geographical diversification of supply. The article presents the measurements results of jet engine GTM-120 exhaust emissions. The test engine was powered with Jet A-1 fuel with 50-percent addition of bioester. During the test concentration of carbon monoxide, hydrocarbons and particulate matter was measured. On the basis of the measurements, the effect of the use of biofuel on emissions was presented.
Transport lotniczy jest najmłodszą i najbardziej dynamicznie rozwijająca się gałęzią transportu. Wzrost zapotrzebowania na przewozy drogą lotniczą, zarówno pasażerskie i towarowe wynika głównie z krótkiego czasu transportu oraz bezpieczeństwa. Wzrost wolumenu transportowego związany jest ze wzrostem emisji związków szkodliwych spalin, co jest szczególnie istotne w kontekście emisji na terenie lotnisk oraz obszarach do nich przyległych. Głównym celem rozwoju konstrukcji silników lotniczych jest zmniejszenie zużycia paliwa i redukcja emisji związków toksycznych. Procedury certyfikacyjne dla silników odrzutowych marginalnie traktują zagadnienie cząstek stałych, które są powodem pogorszenia widzialności oraz chorób płuc i serca. Jednym z rozwiązań ograniczających wpływ transportu lotniczego na środowisko jest stosowanie paliw alternatywnych. W artykule przedstawiono wyniki pomiarów emisji związków szkodliwych silnia odrzutowego GTM-120. Badany silni zasilany był paliwem Jet A-1 oraz mieszanką nafty lotniczej z biopaliwem. Podczas badań zmierzono wartości stężenia tlenku węgla, węglowodorów oraz cząstek stałych. Na podstawie przeprowadzonych badań przedstawiono wpływ zastosowania biopaliwa na emisję związków szkodliwych.
Źródło:: Zeszyty Naukowe Politechniki Rzeszowskiej. Mechanika; 2017, z. 89 [295], 1; 85-98
0209-2689
2300-5211
Pojawia się w:: Zeszyty Naukowe Politechniki Rzeszowskiej. Mechanika
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 20.

Tytuł:: Modelling Hydrocarbons Cold-Start Emission from Passenger Cars
Autorzy:: Laskowski, Piotr
Zasina, Damian
Zimakowska-Laskowska, Magdalena
Orliński, Piotr
Powiązania:: https://bibliotekanauki.pl/articles/2123276.pdf
Data publikacji:: 2021
Wydawca:: Stowarzyszenie Inżynierów i Techników Mechaników Polskich
Tematy:: air pollution
road transport
hydrocarbon emissions
cold start
Opis:: The aim of this paper is to present the results of mathematically modelling the influence of ambient temperature on hydrocarbons (HCs, comprised of methane and non-methane volatile organic compounds) in cold-start emissions from passenger cars (PCs) for different fuel types, vehicle segments including hybrid vehicles, and the Euro standard. In this article the simulations are performed using COPERT software, assuming ambient temperatures from 20◦C to +30◦C, with 5◦C intervals. The modelling results presented show that a change in ambient temperature has a significant effect on hydrocarbons in cold-start emissions. Furthermore, our results show that hydrocarbons emissions are sensitive to ambient temperature fluctuations, and dependent on fuel type, vehicle segment, and the Euro standard.
Źródło:: Advances in Science and Technology. Research Journal; 2021, 15, 3; 117--125
2299-8624
Pojawia się w:: Advances in Science and Technology. Research Journal
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 21.

Tytuł:: Wpływ eksploatacji autobusów zasilanych energią elektryczną na jakość powietrza w Zielonej Górze
Influence of exploitation of electric buses on air quality in Zielona Góra
Autorzy:: Kapcia, Daniel
Powiązania:: https://bibliotekanauki.pl/articles/1194484.pdf
Data publikacji:: 2020
Wydawca:: Politechnika Wrocławska. Oficyna Wydawnicza Politechniki Wrocławskiej
Tematy:: autobus elektryczny
emisja spalin
transport publiczny
jakość powietrza
Zielona Góra
electric bus
exhaust emission
public transport
air quality
Opis:: The aim of the article was to describe the influence of exploitation of electric buses on air quality in Zielona Góra. The emission of hydrocarbons, nitrogen oxides, carbon dioxide and particulate matter was analyzed before and after the replacement of the bus fleet to electric. For calculations author used the European emission standards for buses (EURO) and number of kilometres made by buses in Zielona Góra. The results were compared with air quality tests made by Chief Inspectorate of Environmental Protection. The article describes also the public transport system in Zielona Góra and ecological legal standards in public transport in Poland.
Źródło:: Journal of TransLogistics; 2020, 6, 1; 11--20
2450-5870
Pojawia się w:: Journal of TransLogistics
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 22.

Tytuł:: Wykorzystanie biometanu jako paliwa w transporcie samochodowym efektywnym sposobem ograniczenia emisji zanieczyszczeń do powietrza
Implementation of biomethane as fuel in transportation effective way to reduce emission of pollutants to air
Autorzy:: Wodołażski, A.
Rejman-Burzyńska, A.
Jędrysik, E.
Powiązania:: https://bibliotekanauki.pl/articles/271402.pdf
Data publikacji:: 2013
Wydawca:: Górnośląska Wyższa Szkoła Pedagogiczna im. Kardynała Augusta Hlonda
Tematy:: biometan
biopaliwo
transport samochodowy
emisja
powietrze
biomethane
biofuel
transportation
emission
air
Opis:: W artykule przedstawiono możliwości wykorzystania biometanu jako paliwa w transporcie samochodowym. Porównano emisje zanieczyszczeń ze spalania biometanu oraz powszechnie stosowanych paliw silnikowych. Zwrócono uwagę na korzyści środowiskowe związane z wprowadzeniem tego paliwa w transporcie: znaczne ograniczenie emisji zanieczyszczeń do powietrza, smogu oraz hałasu w aglomeracjach miejskich.
This paper presents the possibility to use biomethane as a fuel for transportation. The emissions of pollutants from combustion of biomethane and the commonly used fuels have been compared. It was indicated that implementation of this fuel for transport results in environmental benefits: significant reduction of pollutant emissions, smog and noise in the urban agglomerations.
Źródło:: Journal of Ecology and Health; 2013, R. 17, nr 4, 4; 169-175
2082-2634
Pojawia się w:: Journal of Ecology and Health
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 23.

Tytuł:: The issue of the atmosphere protection against toxic compounds gas emissions in maritime transport
Autorzy:: Witkowski, K.
Powiązania:: https://bibliotekanauki.pl/articles/242376.pdf
Data publikacji:: 2014
Wydawca:: Instytut Techniczny Wojsk Lotniczych
Tematy:: laboratory tests
supercharging air pressure
exhaust gas content
emission of nitric oxides
vessels propulsions
diesel engines
air humidification
Miller systems
Opis:: The paper discusses influence of the charging air parameters marine diesel engine on the emission toxic compounds in aspect of protecting the atmosphere against pollution from the sea vessels, pointed to the possibility of reducing NOx emissions by changing the parameters of charging air. In this group of activities undertaken to reduce nitric oxides emissions applied inter alia cooling the air and changes in pressure at the beginning of compression stroke. This is discussed in the background of normative acts, in particular the 73/78 MARPOL Convention (International Convention for the Prevention of Pollution from Ships) referring to prevention against marine environment pollution, and later amendments to the Convention with Annex VI (Regulation for the Prevention of Air Pollution from Ships) dealing with reducing the emission of nitric oxides and sulphur oxides into the atmosphere by sea vessels engines.It was also discussed the issue of air humidification as a method to reduce NOx by injecting hot water into a stream of pumped air. This is an overview on the example of two methods proposed for using in marine engines: CASS (Combustion Air Saturation System), HAM (Humid Air Motor system). The results of experimental tests of the influence of charging air pressure on content of exhaust gas, especially content nitric oxides (NOx), of ship diesel engine supplied with marine heavy fuel oil IF40 have been presented in this paper.
Źródło:: Journal of KONES; 2014, 21, 3; 293-300
1231-4005
2354-0133
Pojawia się w:: Journal of KONES
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 24.

Tytuł:: Emisja metali ciężkich do powietrza z autobusów miejskich w Krakowie w latach 2010–2025
Emission of heavy metals into the air from urban buses in Krakow in 2010-2025
Autorzy:: Bździuch, P.
Bogacki, M.
Powiązania:: https://bibliotekanauki.pl/articles/192468.pdf
Data publikacji:: 2018
Wydawca:: Stowarzyszenie Inżynierów i Techników Komunikacji Rzeczpospolitej Polskiej
Tematy:: komunikacja miejska
metale ciężkie
zanieczyszczenie powietrza
inwentaryzacja emisji
urban public transport
heavy metals
air pollution
emission inventory
Opis:: Transport samochodowy jest źródłem emisji metali ciężkich do powietrza, powodując wzrost stężeń tych zanieczyszczeń w powietrzu oraz zanieczyszczanie gleb wzdłuż szlaków komunikacyjnych. Metale ciężkie emitowane są zarówno z procesu spalania paliw w silnikach samochodowych, jak również z procesu ścierania opon i hamulców. W artykule przedstawiono wyniki badań nad zmianami wielkości emisji: ołowiu (Pb), kadmu (Cd), miedzi (Cu), chromu (Cr), niklu (Ni), selenu (Se) oraz cynku (Zn) z floty autobusów miejskich i aglomeracyjnych w Krakowie w latach 2010–2015 wraz z prognozą na lata 2017, 2020 i 2025. Obliczenia emisji dla lat 2010–2015 wykonano z uwzględnieniem rzeczywistych danych ruchowych floty autobusów miejskich dwóch operatorów, jakimi są Miejskie Przedsiębiorstwo Komunikacyjne SA w Krakowie oraz firma Mobilis group Sp. z o.o. Obliczenia prognostyczne dla lat 2017–2025 uwzględniają plany operatorów w zakresie działań modernizacyjnych floty. Wyniki obliczeń ładunków rocznych emitowanych metali ciężkich przedstawiono w formie map, obrazujących rozkład emisji na obszarze gmin aglomeracji krakowskiej, jak również wzdłuż szlaków komunikacyjnych, po których poruszają się autobusy analizowanej floty.
Road transport is a source of heavy metals emissions into the air resulting with an increase concentrations of these pollutants in the air and soil pollution along road routes. Heavy metals are emitted both from the process of fuel combustion in car engines, as well as the tire and brake abrasion. This article shows the results of research on changing value of emission of: lead (Pb), cadmium (Cd), copper (Cu), chromium (Cr), nickel (Ni), selenium (Se) and zinc (Zn), from urban buses which operated in the Krakow metropolitan area in 2010–2015, and the forecast for 2017, 2020 and 2025. Emissions’ calculations for 2010–2015 have been made based on the actual operational data of Krakow buses, provided by two carriers: Municipal Transport Company (Miejskie Przedsiębiorstwo Komunikacyjne S.A.) in Krakow and Mobilis sp. z o. o. Prognostic calculations (2017–2025) took into account the plans of carriers including fleet modernization activities. The results of annual values calculations of emitted heavy metals are demonstrated in the maps presenting the spatial distribution of annual emissions levels on the area of municipalities of the Krakow agglomeration, as well as along road routes where the buses of analyzed fleet were operating.
Źródło:: Transport Miejski i Regionalny; 2018, 1; 18-25
1732-5153
Pojawia się w:: Transport Miejski i Regionalny
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 25.

Tytuł:: CO2 Emission Reporting of Maritime and Air Transport in the Context of Sustainable Development
Autorzy:: Sulik-Górecka, Aleksandra
Strojek-Filus, Marzena
Powiązania:: https://bibliotekanauki.pl/articles/26073255.pdf
Data publikacji:: 2022
Wydawca:: Stowarzyszenie Menedżerów Jakości i Produkcji
Tematy:: zrównoważony rozwój
transport
emisja CO2
sprawozdawczość finansowa
sustainability
CO2 emissions
financial reporting
Opis:: The transport industry, and especially aviation and maritime transport, emits significant amounts of CO2, adversely affecting the environment. The Sustainable Development Goals not only indicate the need to reduce CO2 emissions, but also to provide access to information on the amount of emissions, on top of their environmental and financial impacts. The main source of this type of information is found in financial and non-financial statements prepared by entities of the transport sector. CO2 re-porting disclosures should be subject to the principle of true and fair view ensuring adequate materiality, transparency and comparability of information. The aim of the article is to assess the scope and method of reporting information on CO2 emissions in the financial and non-financial statements of selected groups of the air and maritime transport sector. By means of content analysis, disclosures on this subject were reviewed and compared against the applicable legal regulations in the field of CO2 emissions reporting for the industry. The results of the research indicate a significant differentiation in the methods of reporting, in particular relating to the valuation and presentation of CO2 emission allowances in reports on the financial position in air transport and the manner and scope of reporting non-financial information in maritime transport. The obtained results indicate insufficient comparability of the reported information and a need for harmonisation of the provisions of law regarding the scope and forms of reporting. The findings also indicate a need to combine financial and non-financial information in single reports in order to properly interpret the effects of emissions.
Źródło:: Production Engineering Archives; 2022, 28, 4; 381--389
2353-5156
2353-7779
Pojawia się w:: Production Engineering Archives
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 26.

Tytuł:: Evaluation of interior air quality in terms of volatile organic compounds emission inside a new passenger car cabin depending on the temperature
Autorzy:: Skrętowicz, M.
Włostowski, R.
Kozłowski, C.
Powiązania:: https://bibliotekanauki.pl/articles/245967.pdf
Data publikacji:: 2018
Wydawca:: Instytut Techniczny Wojsk Lotniczych
Tematy:: vehicles
road transport
materials
VOCs
air pollution
car cabin
Opis:: The new passenger car, BMW 225 XE was tested. The results of measurements of concentration of VOCs carried out inside the car cabin depending on the temperature were presented. The investigation was carried out in a special climatic chamber isolated from external factors such as outside air pollutants and weather conditions. The following temperature values have been set: 17ºC, 20ºC, 35ºC and 50ºC. The samples were located inside and outside of the vehicle’s cabin. As expected, the concentrations of each compound increased with increasing temperature (volatility of VOCs increases with the temperature). Values of concentrations obtained in the measurements have been compared with the values of highest acceptable concentration specified in polish law. The article describes the investigation, which was provided in a special climatic chamber. The chamber was isolated from external weather conditions and pollutants. Before each sampling interior of car cabin was ventilated to remove all pollutants from inside. Concentrations of BTX measured in different temperatures were converted to temperature of 20ºC.
Źródło:: Journal of KONES; 2018, 25, 4; 393-398
1231-4005
2354-0133
Pojawia się w:: Journal of KONES
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 27.

Tytuł:: Effect of LPG gas fuel injectors on the properties of low emission vehicles
Autorzy:: Majerczyk, A.
Radzimirski, S.
Powiązania:: https://bibliotekanauki.pl/articles/241843.pdf
Data publikacji:: 2012
Wydawca:: Instytut Techniczny Wojsk Lotniczych
Tematy:: road transport
liquid fuels
LPG
combustion engines
air pollution
environmental protection
Opis:: Modern spark-ignition engines used for the propulsion of low emission vehicles are fuelled by injection systems in which the fuel is individually metered to each cylinder by a single injector (multipoint injection). For the proper engine operation, it is necessary that the injectors are similar to each other and stable in respect of the fuel dosage during the whole engine operation. This requirement is satisfactorily met by petrol injectors used by OEM. In contrast to petrol injectors, gas injector used in LPG-fuelled vehicles, in particular for the retrofit, are still in the development phase and therefore their quality and production consistency are often regarded as unsatisfactory from the standpoint of view of the proper engine operation. The injector-to-injector variation in the fuel dosage results in air-fuel mixture maldistribution in the cylinders, which, in turn, affects vehicle emission characteristics. The paper presents results of an investigation of inconsistency of gas injectors used in LPG vehicles in respect of their dosage. The method of measurement of the dosage uniformity is described. On the basis of the measurement, three sets of injectors differing in respect of injector-to-injector variation were selected for further vehicle tests. Tests were conducted on a passenger Euro 4 car. The emissions of limited pollutants were measured over the NEDC type-approval cycle and cycle's representative for the real world driving under Polish driving conditions. The paper presents results of the conducted tests and discusses the effect of injector-to-injector variation on the pollutant emissions.
Źródło:: Journal of KONES; 2012, 19, 4; 401-410
1231-4005
2354-0133
Pojawia się w:: Journal of KONES
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 28.

Tytuł:: Strefa ultra niskiej emisji spalin w Londynie
Ultr Low Emission Zone in London
Autorzy:: Ziółkowska, K.
Powiązania:: https://bibliotekanauki.pl/articles/252661.pdf
Data publikacji:: 2015
Wydawca:: Instytut Naukowo-Wydawniczy TTS
Tematy:: spaliny
Londyn
zanieczyszczenie powietrza
transport
emisja spalin
fumes
London
air pollution
transportation
emissions
Opis:: Władze Londynu wraz z organizatorem transportu publicznego w tej aglomeracji (Transport for London) podjęły działania zmierzające do utworzenia Strefy ultra niskiej emisji spalin. Jej utworzenie jest istotnym instrumentem poprawy jakości powietrza w aglomeracji oraz warunków życia i pracy. W artykule przedstawiono koncepcję funkcjonowania tej strefy oraz korzyści z jej wprowadzenia.
Źródło:: TTS Technika Transportu Szynowego; 2015, 1-2; 33-36
1232-3829
2543-5728
Pojawia się w:: TTS Technika Transportu Szynowego
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 29.

Tytuł:: Advantages of using hybrid vehicles based on empirical studies on the chassis dynamometer in the WLTC test
Autorzy:: Gis, M.
Lasocki, J.
Powiązania:: https://bibliotekanauki.pl/articles/243969.pdf
Data publikacji:: 2018
Wydawca:: Instytut Techniczny Wojsk Lotniczych
Tematy:: road transport
combustion engines
hybrid powertrain
air pollution
exhausts emission
Opis:: Vehicles powered in alternative ways have an increasing share in the car market. Their use is becoming more and more justified considering the ever more stringent standards for the emission of harmful substances from the exhaust systems of internal combustion engines and the introduction of restrictions on vehicle traffic in city centres. The possibility of using in the propulsion systems only an electric motor or its simultaneous use with the internal combustion engine enables a significant reduction of emission of harmful exhaust gas pollutants. This applies in particular to urban areas, where there are numerous exceedances of acceptable air quality standards. This problem is most noticeable in larger cities in Poland, where there is a lot of traffic. It is therefore legitimate to promote alternative vehicles powered in alternative ways. Their dual power system gives the opportunity to significantly reduce the emission of harmful substances. Therefore, the article presents own research, carried out on a chassis dynamometer, using two passenger cars, one with a spark-ignition combustion engine and the second with a hybrid drive system containing a spark-ignition engine and an electric motor (system without the possibility of recharging batteries from external sources). Vehicles were characterized by similar mass and the same displacement volumes of internal combustion engines. The results of the tests made it possible to compare cars in terms of exhaust emissions. For testing purposes, a chassis dynamometer was used, on which the WLTC homologation cycle was repeatedly reproduced. This is a new driving cycle, which replaces the NEDC cycle used so far in the type approval procedure in the European Union.
Źródło:: Journal of KONES; 2018, 25, 4; 103-109
1231-4005
2354-0133
Pojawia się w:: Journal of KONES
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 30.

Tytuł:: Identification and analysis of parameters for the areas of the highest harmful exhaust emissions in the model emitransys
Autorzy:: Ambroziak, T.
Gołębiowski, P.
Pyza, D.
Jacyna-Gołda, I.
Merkisz-Guranowska, A.
Powiązania:: https://bibliotekanauki.pl/articles/247522.pdf
Data publikacji:: 2013
Wydawca:: Instytut Techniczny Wojsk Lotniczych
Tematy:: proecological transport system
transport
air pollution
emission of exhaust gases
EMITRANSYS
Opis:: A scheme has been developed to be utilized for solving the interaction between wing aerodynamic loads and the flexibility of wing structures under a quasi static assumption. The interaction is implemented through a link between the nodes of finite element model and the grids of transonic small disturbance model. The particular finite element responses, namely translational displacement vectors (TDV), are utilised for reconstructing the deflected wing surfaces. So in each iteration, the updated surfaces are involved as the parent for regenerating the TSD grids. The criteria of the Euclidean norm is applied for evaluating the convergency of aero-structure interaction. Catia-V5, is fully employed to manage three dimensional geometries for developing the model of wing structures, calculating grids and aerodynamic loads, as well as for reconstructing the updated wing surfaces. Numerous functions and objects of Catia are employed by conducting particular accesses via component object models using Microsoft Visual Basic.Net. A case study is excersized to demonstrate the interaction in transonic speed. The results shown that the scheme is very good in the way performing the interaction in quasi static condition. The utilization of TDV for generating the deflected wing surfaces indicates the capability of high fidelity deformations with respect to the complexity of finite element model
Źródło:: Journal of KONES; 2013, 20, 3; 9-20
1231-4005
2354-0133
Pojawia się w:: Journal of KONES
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 31.

Tytuł:: In - cylinder OH and CO2* detection in SI engine through UV natural emission spectroscopy
Autorzy:: Merola, S. S.
Tornatore, C.
Marchitto, L.
Valentino, G.
Powiązania:: https://bibliotekanauki.pl/articles/242972.pdf
Data publikacji:: 2012
Wydawca:: Instytut Techniczny Wojsk Lotniczych
Tematy:: road transport
simulation
combustion engines
air pollution
environmental protection
Opis:: Processes of the combustion of liquid fuels and solid are more complex than combustion of fuel gases. With reference to liquid fuels occur additionally processes of vaporization of the fuel, and with reference to solid fuels - decomposition of the solid phase with processes of melting and vaporization, pyrolysis, or gasification. This simultaneous and also different influence of different parameters is sometimes a reason of incorrect interpretation of experimental results. The study of the theoretical model of the combustion process concerning of liquid and solid fuels and which then the model takes into account also the gas- phase, because combustion processes take place in this phase, and occurs the interaction of the phase gas- and liquid or the solid one. The theoretical model is presented basing on experimental initial researches realized in a model with reference to liquid fuels and solid ones. Researches realized in the constant volume chamber with measurements of the pressure during the process of the combustion with the use of quick photography and with measurement of the distribution of the velocity in the spray of the fuel and droplet measurements by means the laser Doppler equipment LDV and PDPA. There were obtained a good agreement of findings experimental researches with the theoretical model. Generally, on the combustion velocity of liquid fuels and solid one significant influence has a kind (laminar, temporary and turbulent) and the thickness of the thermal boundary layer.
Źródło:: Journal of KONES; 2012, 19, 4; 429-437
1231-4005
2354-0133
Pojawia się w:: Journal of KONES
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 32.

Tytuł:: Proposal of a methodology enabling application of the COPERT IV method to calculate air emissions from light and heavy duty vehicles, buses, motorcycles and mopeds in Poland
Autorzy:: TRELA, Mariusz
Powiązania:: https://bibliotekanauki.pl/articles/529732.pdf
Data publikacji:: 2016
Wydawca:: Wyższa Szkoła Bankowa we Wrocławiu
Tematy:: COPERT IV method
pollutants emission
road transport
Opis:: The paper presents a method of preparation of statistical data in such a manner as to enable application of the COPERT IV method to calculate emissions resulting from the operation of light and heavy commercial vehicles, buses as well as motorcycles and mopeds. The paper also presents the results of calculations of emissions from these vehicles in Poland in 2014, made by means of the COPERT IV method with application of the proposed methodology. The results have been compared with data from emission inventories, and conclusions have been drawn concerning the reasonableness and possibility of applying the proposed methodology.
Źródło:: Central and Eastern European Journal of Management and Economics (CEEJME); 2016, 4; 281-292
2353-9119
Pojawia się w:: Central and Eastern European Journal of Management and Economics (CEEJME)
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 33.

Tytuł:: Kierunek wiatru jako czynnik determinujacy poziom imisji tlenku i ditlenku azotu
Autorzy:: Warminski, K
Rogalski, L
Powiązania:: https://bibliotekanauki.pl/articles/806575.pdf
Data publikacji:: 2006
Wydawca:: Szkoła Główna Gospodarstwa Wiejskiego w Warszawie. Wydawnictwo Szkoły Głównej Gospodarstwa Wiejskiego w Warszawie
Tematy:: monitoring zanieczyszczen
tlenek azotu
zanieczyszczenia komunikacyjne
transport drogowy
wiatry
zanieczyszczenia powietrza
dwutlenek azotu
emisja zanieczyszczen
Olsztyn-Kortowo
kierunek wiatru
pollution monitoring
nitrogen dioxide
traffic pollutant
road transport
wind
air pollutant
pollutant emission
Olsztyn city
wind direction
Opis:: Głównym źródłem NOₓ (NO i NO₂) jest działalność człowieka (energetyka, transport), a w mniejszym stopniu procesy naturalne. Tlenek azotu powstaje w wysokich temperaturach, głównie w procesach spalania paliw. W atmosferze ulega on utlenianiu ozonem lub tlenem atmosferycznym do ditlenku azotu, a następnie do azotanów. Badania wykonano w okresie od 10.02. do 31.12.2005 r. wykorzystując stację monitoringu imisji zanieczyszczeń powietrza w Kortowie. Ciągły pomiar stężenia NO i NO₂ wykonywano analizatorem chemiluminescencyjnym MLU 200E (API-Teledyne, Inc. USA; dolny próg wykrywalności 0,4 ppb), a parametrów meteorologicznych zestawem firmy Laboratori di Strumentazione Industriale s.p.a. (Włochy). Największe stężenia NO₂ (rzędu 12 µg·m⁻³) w miesiącach zimowych notowano w przypadku wiatrów wiejących z kierunku lokalizacji niskiej emisji (kilka osiedli z paleniskami domowymi), natomiast w miesiącach letnich (6-7 µg·m⁻³) z centrum Olsztyna i najbliższej ulicy o znacznym ruchu samochodowym. Odmiennie kształtował się poziom NO w zależności od kierunku wiatru. W okresie zimowym nieutleniony jeszcze NO napływał z kierunku pobliskiej arterii komunikacyjnej oraz najbliższego osiedla domów jednorodzinnych. Z kolei latem prawie wyłącznie ze źródeł komunikacyjnych.
The main source of NOₓ (NO i NO₂) is human activity (power engineering, transport). Natural processes play a much less important role. Nitrig oxide is produced at high temperatures, mainly during fuel combustion. In the atmosphere it is oxidized with ozone or atmospheric oxygen to nitrogen dioxide, and next to nitrates. The experiment was conducted over a period from February 10 to December 31, 2005, using data provided by the Ambient Air Quality Monitoring Station in Kortowo. Continuous measurement of the concentrations of NO and NO₂ was performed with a chemiluminescent analyzer MLU 200E (API-Teledyne, Inc. USA; lower detectable limit 0.4 ppb). Meteorological parameters were determined using a system manufactured by LSI s.p.a. (Italy). In the winter months the highest NO₂ concentration (approximately 12 µg·m⁻³) was recorded when the wind was blowing from the direction of a low emission location (several housing estates with domestic furnaces), whereas in the summer months (6-7 µg·m⁻³) - when the wind was blowing from the city center and the nearest street characterized by a high traffic density. The relationship between the NO level and the wind direction differed. In winter non-oxidized NO came from the nearby traffic artery and an estate of detached houses, while in summer - almost entirely from traffic pollutant sources.
Źródło:: Zeszyty Problemowe Postępów Nauk Rolniczych; 2006, 513; 517-525
0084-5477
Pojawia się w:: Zeszyty Problemowe Postępów Nauk Rolniczych
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 34.

Tytuł:: Abatement of particulate matter and SO2 emission by ships
Autorzy:: Jaworek, A.
Krupa, A.
Marchewicz, A.
Sobczyk, A.
Czech, T.
Ottawa, A.
Śliwiński, Ł.
Antes, T.
Kurz, M.
Szudyga, M.
Charchalis, A.
Powiązania:: https://bibliotekanauki.pl/articles/245025.pdf
Data publikacji:: 2016
Wydawca:: Instytut Techniczny Wojsk Lotniczych
Tematy:: marine transport
diesel exhausts
air pollution control
environment protection
PM removal
Opis:: Ship engines emit noxious gases (SO2, NOx, and VOC) and particulate matter (PM), mostly black carbon. Since 1990, the International Maritime Organization (IMO) regulations gradually restricted the level of emission of NOx, which since 2016 have to be lower than 2-3.4 g/kWh, depending on engine power. SO2 emission reduction has begun since 2010 and now the content of sulphur in marine fuels is limited to 3.5%. At the same time, the Sulphur Emission Control Areas (SECA) has been established, at which the sulphur content in fuel cannot be higher than 0.1%. Since 2020, only a fuel of 0.5% sulphur can be used at all cruising areas outside SECA. It should be noted that due to lack of efficient technology, IMO still has not issued regulations regarding the PM emission by ships. The paper discusses various electrostatic techniques used for the reduction of PM emission in Diesel engine exhausts. Electrostatic scrubber systems, using seawater, allow removal of PM from exhausts with high efficiency and simultaneously SO2 gas. Electrostatic agglomerators allow increasing submicron and nanoparticles by coagulation of those particles to the larger ones, which could be removed by conventional techniques.
Źródło:: Journal of KONES; 2016, 23, 4; 183-192
1231-4005
2354-0133
Pojawia się w:: Journal of KONES
Dostawca treści:: Biblioteka Nauki

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