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Tytuł:
Development measures to enhance the ecological safety of ships and reduce operational pollution to the environment
Autorzy:
Melnyk, Oleksiy
Onyshchenko, Svitlana
Onishchenko, Oleg
Powiązania:
https://bibliotekanauki.pl/articles/27311341.pdf
Data publikacji:
2023
Wydawca:
Politechnika Śląska. Wydawnictwo Politechniki Śląskiej
Tematy:
environmental safety
freight transportation
pollution prevention
ship operation cycle
marine ecosystem
MARPOL
air pollution
water pollution
shipping management
bezpieczeństwo środowiska
transport towarów
zapobieganie zanieczyszczeniom
cykl eksploatacji statku
ekosystem morski
zanieczyszczenie powietrza
zanieczyszczenie wody
zarządzanie żeglugą morską
Opis:
Reduction of ecological risks of shipping is a challenging task that requires methods of legislative and regulatory control, organizational measures, and technical and technological support. Furthermore, the matter concerns not only the reduction of possible risks but also the level of existing impact on the marine environment because of exhaust gas emissions by ships, discharge of waste and ballast water, as well as control of ecological consequences of accidents. The purpose of this study is to analyse possible sources of environmental impact during ship operation cycles, identify significant risks, review existing potentials to reduce the risk of ship accidents and their environmental consequences, and develop solutions to existing problems. This study offers results, which can serve as the initial basis for the formation of comprehensive measures on the reduction of environmental risks, and consequences of possible accidents for the environment caused by ships and international shipping.
Źródło:
Zeszyty Naukowe. Transport / Politechnika Śląska; 2023, 118; 195--206
0209-3324
2450-1549
Pojawia się w:
Zeszyty Naukowe. Transport / Politechnika Śląska
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
The Sound of Silence, (Un)Achievable? – Under What Conditions Could an Airport Operator Be Held Liable for Noise Pollution?
Autorzy:
Berus, Matylda
Powiązania:
https://bibliotekanauki.pl/articles/32062607.pdf
Data publikacji:
2023
Wydawca:
Uczelnia Łazarskiego. Oficyna Wydawnicza
Tematy:
air law
liability of the airport operator
noise pollution
environmental law
prawo lotnicze
odpowiedzialność operatora lotniska
prawo ochrony środowiska
zanieczyszczenie hałasem
Opis:
This paper aims to determine under what conditions an airport operator could be held liable for noise pollution. The author reviews the general notions of noise pollution and airport liability and discusses how these two elements interconnect using case-law examples from the US, Germany and Poland. The main conclusion of these deliberations is that airport liability for noise pollution is not only dependent on domestic law but also the country’s attitude towards the issue at hand, including how it perceives the values of economic development of air transport and human well-being.
Celem artykułu jest ustalenie, na jakich warunkach operator lotniska może zostać pociągnięty do odpowiedzialności cywilnej za zanieczyszczenie hałasem. Autorka omawia ogólne pojęcia zanieczyszczenia hałasem oraz odpowiedzialności operatora lotniska oraz bada jak te dwa zjawiska wzajemnie na siebie oddziałują, posługując się orzecznictwem ze Stanów Zjednoczonych, Niemiec oraz Polski. Głównym wnioskiem rozważań jest obserwacja, iż odpowiedzialność operatora lotniska za zanieczyszczenie dźwiękiem zależy nie tylko od prawa krajowego, ale także od indywidualnego podejścia danego kraju, do m.in. rozwoju ekonomicznego transportu lotniczego oraz dobrostanu człowieka.
Źródło:
Veritas Iuris; 2023, 6, 2; 61-74
2657-8190
Pojawia się w:
Veritas Iuris
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Transboundary Air Pollution in the Krakow Agglomeration Using the HYSPLIT Model
Transgraniczne zanieczyszczenie powietrza w aglomeracji krakowskiej z zastosowaniem modelu HYSPLIT
Autorzy:
Ciepiela, Maciej
Sobczyk, Wiktoria
Powiązania:
https://bibliotekanauki.pl/articles/2201255.pdf
Data publikacji:
2023
Wydawca:
Polskie Towarzystwo Przeróbki Kopalin
Tematy:
particulate pollution
air pollution modeling
air quality assessment
environmental monitoring
forest fires
zanieczyszczenie pyłowe
modelowanie zanieczyszczeń powietrza
ocena jakości powietrza
monitoring środowiska
pożary lasów
Opis:
The study aims to analyze the measurement data of PM10 particulate matter in the Krakow agglomeration. It develops a model of the backward trajectory of air masses to determine whether and to what extent natural phenomena, such as forest fires outside Poland, affect the level of air pollution. The article describes the process of pollutant dispersion in the Earth’s atmosphere and the principles of air monitoring in the Krakow agglomeration. The study uses 2022 measurement data from ten monitoring stations of the Chief Inspectorate of Environmental Protection in the Krakow agglomeration. Two periods of increased PM10 particulate matter were selected. On the basis of the HYSPLIT software, which uses backward air trajectories, the influx of transboundary pollution was simulated. Then, by analyzing the FIRMS fire information system, an attempt was made to document that the pollution sources considered were of natural origin and that human activity did not in any way determine the emissions and their magnitude.
Celem badań była analiza danych pomiarowych pyłów zawieszonych PM10 na terenie aglomeracji krakowskiej oraz wykonanie modelu trajektorii wstecznych mas powietrza w celu określenia, czy i w jakim stopniu zjawiska naturalne, takie jak pożary lasów poza granicami Polski, wpływają na stopień zanieczyszczenia powietrza. W artykule opisano proces dyspersji zanieczyszczeń w atmosferze ziemskiej oraz zasady monitoringu powietrza w aglomeracji krakowskiej. Do opracowania posłużono się danymi pomiarowymi z 2022 r. z dziesięciu stacji monitoringu Głównego Inspektoratu Ochrony Środowiska, znajdujących się na terenie aglomeracji krakowskiej, gdzie wytypowano dwa epizody zwiększonego stopnia zanieczyszczenia pyłami zawieszonymi PM10. Bazując na oprogramowaniu HYSPLIT, który wykorzystuje wsteczne trajektorie powietrza, przeprowadzono symulację napływu zanieczyszczeń transgranicznych. Następnie analizując system informacji o pożarach FIRMS, podjęto się próby udokumentowania, iż uwzględnione źródła zanieczyszczeń miały pochodzenie naturalne, a działalność człowieka w żaden sposób nie decydowała o emisji i jej wielkości.
Źródło:
Inżynieria Mineralna; 2023, 1; 161-167
1640-4920
Pojawia się w:
Inżynieria Mineralna
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
What drives the preferences for cleaner energy? Parametrizing the elasticities of environmental quality demand for greenhouse gases
Autorzy:
Sánchez García, Javier
Galdeano Gómez, Emilio
Powiązania:
https://bibliotekanauki.pl/articles/19322768.pdf
Data publikacji:
2023
Wydawca:
Instytut Badań Gospodarczych
Tematy:
cleaner energy
environmental demand elasticity
business enterprises R+D
exposure to air pollution
Opis:
Research background: The heterogeneity in the factors that affect demand for environmental quality implicates a diverse set of policies and actions aimed at achieving cleaner production to address the challenges posed by pollution and damage to the natural environment. Even though this topic has been widely addressed, mainly from the traditional perspective of the Environmental Kuznets Curves hypothesis (EKC), it has been assumed that the environment is a luxury good with an income elasticity greater than unity. However, it has recently been recognized that the relationship between income and demand for cleaner energy may be more complex and that further inquiry may be needed for a better understanding. Purpose of the article: This research work, employing a panel of European countries, offers direct explicit parameters for the elasticity of income-environmental quality demand for Greenhouse Gases (GHG), as well as its relationship with other important factors. It provides quantitative novel insights into the complex relationship between income and the preferences for cleaner energy. Methods: A hierarchical regression equations approach is used to analyze the evolution of the elasticity of income-environmental quality demand with the inclusion of further co-variates that are relevant for the preferences side of the EKC, such as consumption, R+D investment and BERD (Business Enterprise Research and Development). The data for the empirical study comes from a panel of 16 European countries for the period from 2010 to 2020. Findings & value added: The results show robust evidence that the elasticity of environmental quality demand, which although positive and significant, does not exceed one. To obtain an elasticity above unity, two more variables are needed, namely the R+D expenditure of business enterprises and the exposure of citizens to air pollution. These two factors have a similar or even higher effect on the preferences of agents for cleaner energy, which also means that the preferences of the citizens are endogenous to technological development. At the theoretical level, this work shows that the technological and preferences arguments are not substitute explanations of the EKC, but that technological development exerts a positive effect on the preferences of inhabitants, whose demand for environmental quality is heavily conditioned by their capabilities to see pollution, even more than by their income level. This also means that public policies directed to improve environmental awareness should be directed first towards those regions where the exposure of the citizens to pollution is lower.
Źródło:
Oeconomia Copernicana; 2023, 14, 2; 449-482
2083-1277
Pojawia się w:
Oeconomia Copernicana
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Emission inventory of ships calling at the port of Dubrovnik
Autorzy:
Zekić, A.
Ivče, R.
Radonja, R.
Powiązania:
https://bibliotekanauki.pl/articles/2172493.pdf
Data publikacji:
2022
Wydawca:
Uniwersytet Morski w Gdyni. Wydział Nawigacyjny
Tematy:
green shipping
CO2 emission
air pollutant emission
air environmental pollution
Croatian ports
maritime cruise market
port of Dubrovnik
emission inventory
Opis:
Cruising tourism is becoming increasingly popular, the number of cruises having seen a continuous increase since the 1970s. In Croatia as well there is an upward trend in the number of cruise passengers and ports. Of all Croatian ports, it is the port of Dubrovnik that has had the most calls by foreign cruisers. The paper analyses the available statistical data on the maritime cruise market in Europe with special reference to the Mediterranean countries. In the national context, a presentation of cruise traffic in the port of Dubrovnik is given. Although this type of tourism contributes to the development and improvement of the economy, it also has a negative impact on the environment through air pollution by CO2 emissions, subsequently affecting human health as well. The authors investigate the level of CO2 emissions in the area of the port of Dubrovnik. CO2 emissions were calculated based on cruiser activity, the calculations being based on CO2 emissions for three ship navigation modes - slow steaming on arrival and departure, manoeuvring on arrival and departure, and for a berthed ship. The aim of the research was to provide a better insight in the emission inventories in this area. This research can also be applied to other port areas.
Źródło:
TransNav : International Journal on Marine Navigation and Safety of Sea Transportation; 2022, 16, 2; 219--223
2083-6473
2083-6481
Pojawia się w:
TransNav : International Journal on Marine Navigation and Safety of Sea Transportation
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
The impact of northern Adriatic ports container throughput on air quality environmental parameters
Autorzy:
Vilke, Siniša
Tadić, Frane
Ćelić, Jasmin
Debelić, Borna
Powiązania:
https://bibliotekanauki.pl/articles/24202550.pdf
Data publikacji:
2022
Wydawca:
Akademia Morska w Szczecinie. Wydawnictwo AMSz
Tematy:
air quality parameters
container terminal
environmental parameters
maritime transport
portcity pollution
northern Adriatic ports
Port of Rijeka
Opis:
This paper seeks to highlight the impact of the increasing container throughput in northern Adriatic ports on air quality. A comparative analysis of air quality is given, which consist of certain environmental parameters at selected measuring stations near the container terminals of the northern Adriatic ports Rijeka, Trieste, Koper, and Venice. The parameters were analyzed based on a limited amount of air quality monitoring data for the port areas. As the port transport sector increases pollutant emissions, the results of these analyzes can also be used to take appropriate measures to reduce these particulate matter emissions. The aim of this paper is to determine the impact of increasing the container throughput within the ports of the northern Adriatic Sea on air quality, based on certain environmental parameters related to the shipping or delivery of containers by road. The results of the research, based on available data, have shown that the increase in container throughput of the northern Adriatic ports has not decreased the air quality of urban areas of the respective port cities. The air quality value of the northern Adriatic ports is substantially below the limits set by the EU Air Quality Directive (2008/50), thus it does not affect the health of the inhabitants of the analyzed cities.
Źródło:
Zeszyty Naukowe Akademii Morskiej w Szczecinie; 2022, 71 (143); 123--131
1733-8670
2392-0378
Pojawia się w:
Zeszyty Naukowe Akademii Morskiej w Szczecinie
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Environmental policy stringency and its impact on air pollution in Poland
Restrykcyjność polityki środowiskowej i jej wpływ na zanieczyszczenie powietrza w Polsce
Autorzy:
Godawska, Justyna
Powiązania:
https://bibliotekanauki.pl/articles/1845346.pdf
Data publikacji:
2021
Wydawca:
Fundacja Ekonomistów Środowiska i Zasobów Naturalnych
Tematy:
environmental policy
air pollution
environmental tax
expenditure on environmental protection
polityka środowiskowa
zanieczyszczenie powietrza
podatek środowiskowy
wydatek na ochronę środowiska
Opis:
The article aims to assess the level of severity of the environmental policy in Poland com-pared to the selected EU countries and the impact of this level on the SO2, NOX, VOCs, CO2, and GHG emissions and premature mortality due to exposure to PM2.5. In the research based on OECD and Eurostat data, multiple regression analysis is used. The results of regression analysis do not allow for drawing unequivocal conclusions. The use of one of the selected measures of environmental policy stringency confirms the impact of this stringency on all the studied variables characterising air pollu-tion. In contrast, in the other measure, this relationship was found only for two variables. The reason for different results may be the adoption of different research periods (1990-2012 and 1994-2018) due to the availability of data.
Celem artykułu jest ocena stopnia restrykcyjności polityki środowiskowej w Polsce na tle wybranych krajów UE oraz jego wpływu na emisje SO2, NOx, lotnych związków organicznych, CO2i gazów cieplarnianych oraz przedwczesną śmiertelność z powodu narażenia na PM2.5. W badaniach opartych na danych OECD i Eurostatu wykorzystano analizę regresji wielorakiej. Wyniki analizy regresji nie pozwalają na wyciągnięcie jednoznacznych wniosków. Użycie jednej z wybranych miar restrykcyjności polityki środowiskowej potwierdza wpływ tej restrykcyjności na wszystkie badane zmienne charakteryzujące zanieczyszczenie powietrza, natomiast w przypadku drugiej miary zależność tę stwierdzono tylko dla dwóch zmiennych. Przyczyną odmiennych wyników może być przyjęcie różnych okresów badawczych (1990-2012 i 1994-2018) wynikające z dostępności danych.
Źródło:
Ekonomia i Środowisko; 2021, 1; 52-67
0867-8898
Pojawia się w:
Ekonomia i Środowisko
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Monitoring of Air Pollution in the Area Affected by the Storage of Primary Oil Refining Waste
Autorzy:
Strizhenok, Alexey V.
Ivanov, Andrey V.
Powiązania:
https://bibliotekanauki.pl/articles/1839556.pdf
Data publikacji:
2021
Wydawca:
Polskie Towarzystwo Inżynierii Ekologicznej
Tematy:
environment
oil
oil sludge
sludge pond
air pollution
dispersion of pollutants
atmosphere
environmental mapping
Opis:
At present, monitoring of air pollution near industrial facilities is one of the most urgent tasks. Its implementation is a requirement of Article 42 of the Constitution of the Russian Federation and the basis for the ecological well-being of the population. This problem is especially critical for the production facilities located within residential areas or in close proximity to them. The scientific article presents the results of a monitoring study of the air pollution in a residential area exposed to the negative impact of the storage of primary oil refining waste. Within the frames of the scientific research, the analysis of the stock materials of the enterprise was conducted; field observation was performed on the territory of the considered enterprise and the construction of ecological cartographic models was carried out, reflecting the level of the air pollution in the territory under consideration. The study also carried out a literary review and presented a list of the main existing technologies for the utilization of oil sludge to improve the quality of the air in the region under consideration.
Źródło:
Journal of Ecological Engineering; 2021, 22, 1; 60-67
2299-8993
Pojawia się w:
Journal of Ecological Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Research on air pollutant emissions from transport sources in Pila
Autorzy:
Gorzelańczyk, Piotr
Wojtasik, Maja
Powiązania:
https://bibliotekanauki.pl/articles/2134866.pdf
Data publikacji:
2021
Wydawca:
Politechnika Śląska. Wydawnictwo Politechniki Śląskiej
Tematy:
air pollution
transport
exhaust gas emissions
transport source
environmental protection
smog
internal combustion engines
zanieczyszczenie powietrza
emisja gazów spalinowych
źródło transportu
ochrona środowiska
silniki spalinowe
Opis:
This article aims to examine the emission of pollutants utilising transport in different points of the city in question at two different intervals, then show whether the means of transport negatively affects the city through pollution. The study of air pollutant emissions from transport sources is a key aspect towards solving problems related to environmental pollution. A study on the measurements of selected PM10 and PM2.5 pollutants to be able to determine the quality of air from transport sources in Pila at different times of the year and with appropriate assumptions regarding the appropriate distance by the road is included in this article. This study analysed data on air pollutants and compared it with the results of the Chief Inspectorate for Environmental Protection. This made it possible to propose solutions for the development of the air condition in Pila.
Źródło:
Zeszyty Naukowe. Transport / Politechnika Śląska; 2021, 111; 57--74
0209-3324
2450-1549
Pojawia się w:
Zeszyty Naukowe. Transport / Politechnika Śląska
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Impact of Road Transport on Air Pollution in EU Countries
Wpływ transportu drogowego na zanieczyszczenie powietrza w krajach UE
Autorzy:
Ochnio, Luiza
Koszela, Grzegorz
Rokicki, Tomasz
Powiązania:
https://bibliotekanauki.pl/articles/1811647.pdf
Data publikacji:
2020
Wydawca:
Politechnika Koszalińska. Wydawnictwo Uczelniane
Tematy:
road transport
transport infrastructure
air pollution
EU
environmental Kuznets curve
multidimensional data analysis
transport drogowy
infrastruktura transportowa
zanieczyszczenie powietrza
UE
środowiskowa krzywa Kuznetsa
wielowymiarowa analiza danych
Opis:
The main purpose of the work is to show the level of air pollution emitted by road transport and its relationship with economic development and transport infrastructure in European Union countries. The study presents the diversity in emissions of road transport by countries, shows the dynamics of changes in this area, determines the relationships between the level of economic development, equipping with road infrastructure and emissions of air pollution in EU countries. The research period concerned the years 2006-2017. The sources of data was EUROSTAT database. The ranking built by means of multidimensional data analysis tools indicated Portugal and Luxembourg as countries with relatively high emissions of air pollutants (group 3), countries with moderate emissions are Bulgaria, Malta, Cyprus and Sweden (group 2). Analysis of data on the rate of change in emissions and the volume of GDP in EU countries also indicates compliance with the Kuznets environmental curve.
Celem głównym pracy było porównanie poziomu zanieczyszczenia powietrza emitowanego przez transport drogowy i jego związku z rozwojem gospodarczym i infrastrukturą transportową w krajach Unii Europejskiej w latach 2006-2017. W pracy przedstawiono zróżnicowanie w emisji zanieczyszczeń przez transport drogowy w krajach UE, ukazano dynamikę zmian w tym zakresie, określono związki i między poziomem rozwoju gospodarczego, wyposażeniem w infrastrukturę drogową, a emisją zanieczyszczeń powietrza. Dane pochodziły z baz i raportów EUROSTAT. Zbudowany za pomocą metod wielowymiarowej analizy danych ranking szeregujący Państwa pod względem emisji związków do atmosfery pochodzących z transportu i uwzględniając infrastrukturę drogową oraz powierzchnię kraju, wskazał na Portugalię i Luksemburg jako kraje o stosunkowo dużej emisji (grupa 3), kraje o umiarkowanej emisji to Bułgaria, Malta, Cypr oraz Szwecja (grupa 2). Analiza tempa zmian emisji zanieczyszczeń do powietrza oraz wielkości PKB w krajach Unii wskazuje także na zgodność ze środowiskową krzywą Kuznetsa.
Źródło:
Rocznik Ochrona Środowiska; 2020, Tom 22, cz. 2; 1058-1073
1506-218X
Pojawia się w:
Rocznik Ochrona Środowiska
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Protecting the right to clean air through criminal law: a perspective from economic law analysis and the case of Poland
Autorzy:
Podhalicz, Mateusz
Powiązania:
https://bibliotekanauki.pl/articles/1595851.pdf
Data publikacji:
2020
Wydawca:
Uniwersytet Szczeciński. Wydawnictwo Naukowe Uniwersytetu Szczecińskiego
Tematy:
air pollution
efficiency of environmental criminal law
right to a clean environment
economic law analysis
Opis:
The aim of this paper is to examine whether Polish criminal law efficiently criminalises acts that harm air quality (most notably emissions of toxins to the air through, among others, the improper processing of waste). The relevance of this research stems from the notorious fact that air-quality in Poland is one of the worst in Europe, and it is no secret that this situation is caused largely by private actors infringing on rules concerning the emissions of toxins into the environment. As the author establishes through legal analysis, the collection of empirical data, and on the basis of an economic-law-analysis crime model, Polish criminal law fails thoroughly when it comes to combatting this phenomenon. Relating the current legal regu- lations and, most importantly, their employment in practice to the prerequisites of effective crime policy (as envisaged by G. Becker), it is doubtless that for the poor air-quality in Poland to change, the state should aim at reaching a better detection rate when it comes to environ- mental crimes, as well as inflicting more severe penalties on the perpetrators of those crimes. This, coupled with proper educational campaigns directed at citizens and law enforcement authorities at large, should bring about higher levels of deterrence when it comes to these crimes, and by extension, enhance air quality in Poland.
Źródło:
Acta Iuris Stetinensis; 2020, 29, 1; 147-164
2083-4373
2545-3181
Pojawia się w:
Acta Iuris Stetinensis
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
The association of exposure to $PM_10$ with the quality of life in adult asthma patients
Autorzy:
Ścibor, Monika
Malinowska-Cieślik, Marta
Powiązania:
https://bibliotekanauki.pl/articles/2116616.pdf
Data publikacji:
2020-04-30
Wydawca:
Instytut Medycyny Pracy im. prof. dra Jerzego Nofera w Łodzi
Tematy:
quality of life
asthma
air pollution
environmental health
PM10
AQLQ
Opis:
ObjectivesAir pollution has become a critical environmental issue, which severely threatens the well-being of asthma patients. The quality of life of these patients, when exposed to air pollutants such as particulate matter 10 (PM10), has been poorly studied. The current research examined the association between the concentration of PM10 in the air and the quality of life of patients with asthma.Material and MethodsThe study group consisted of 300 adult asthma patients treated in 2 allergy outpatient clinics in Kraków, who declared they would not leave the city in the 14-day study period. Daily concentrations of PM10 from air monitoring stations were recorded over a period of 2 weeks, following which the patients filled out the standardized Asthma Quality of Life Questionnaire (AQLQ) regarding the monitored period to assess the total quality of life and its 4 domains (symptoms, limitation of activity, emotional functioning and environmental stimuli).ResultsThe average PM10 exposure was 65.2 μg/m3 and only 30% of the patients were exposed to values of ≤50 μg/m3, i.e., the highest 24-h threshold value considered acceptable by the World Health Organization. The observed effect of an increased level of exposure to airborne PM10 was associated with reduced scores in AQLQ from 0.40 at the medium level to 0.46 at the high level, in comparison to the low level. The total score of the asthma-related quality of life and its domains showed poorer outcomes as the concentration of PM10 was increasing (every 0.08 pt per a 10 μg/m3 increase).ConclusionsThe increase in the concentration of PM10 in the air impacts on the overall quality of life and its particular domains in people with exceptional predispositions, such as patients with bronchial asthma. Physicians taking care of asthma patients should pay special attention to the quality of patient’s life in response to the course and control of that illness, in relation to air pollution.
Źródło:
International Journal of Occupational Medicine and Environmental Health; 2020, 33, 3; 311-324
1232-1087
1896-494X
Pojawia się w:
International Journal of Occupational Medicine and Environmental Health
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
An attempt to reduce the emission of spark-ignition engine with mixtures of bioethanol and gasoline as substitute fuels
Autorzy:
Gis, Wojciech
Gis, Maciej
Wiśniowski, Piotr
Bednarski, Mateusz
Powiązania:
https://bibliotekanauki.pl/articles/247883.pdf
Data publikacji:
2019
Wydawca:
Instytut Techniczny Wojsk Lotniczych
Tematy:
simulation
combustion engines
air pollution
environmental protection
Opis:
Limiting emissions of harmful substances is a key task for vehicle manufacturers. Excessive emissions have a negative impact not only on the environment, but also on human life. A significant problem is the emission of nitrogen oxides as well as solid particles, in particular those up to a diameter of 2.5 microns. Carbon dioxide emissions are also a problem. Therefore, work is underway on the use of alternative fuels to power the vehicle engines. The importance of alternative fuels applies to spark ignition engines. The authors of the article have done simulation tests of the Renault K4M 1.6 16v traction engine for emissions for fuels with a volumetric concentration of bioethanol from 10 to 85 percent. The analysis was carried out for mixtures as substitute fuels – without doing any structural changes in the engine's crankshafts. Emission of carbon monoxide, carbon dioxide, hydrocarbons, oxygen at full throttle for selected rotational speeds as well as selected engine performance parameters such as maximum power, torque, hourly and unit fuel consumption were determined. On the basis of the simulation tests performed, the reasonableness of using the tested alternative fuels was determined on the example of the drive unit without affecting its constructions, in terms of e.g. issue. Maximum power, torque, and fuel consumption have also been examined and compared. Thus, the impact of alternative fuels will be determined not only in terms of emissions, but also in terms of impact on the parameters of the power unit.
Źródło:
Journal of KONES; 2019, 26, 3; 31-38
1231-4005
2354-0133
Pojawia się w:
Journal of KONES
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Analysis of possibility limiting the time of test injector in diesel engine using factory test bench producers of these elements
Autorzy:
Bąk, Witold
Wojnar, Grzegorz
Powiązania:
https://bibliotekanauki.pl/articles/245495.pdf
Data publikacji:
2019
Wydawca:
Instytut Techniczny Wojsk Lotniczych
Tematy:
transport
road transport
simulation
combustion engines
air pollution
environmental protection
Opis:
Regeneration of parts is the most correct form of use of worn out components and contributes, among others, to reduce CO2 emissions. In the case of elements of fuel injector systems, very high precision is required and such regeneration should be carried out using the original parts. It also requires testing on the original testing stands of these manufacturers, which very often characterized by the fact that it is not possible to perform a short test, which means that it is only possible to perform a time-consuming comprehensive test. An unquestionable advantage in some cases would be the possibility of preliminary verification of the correct operation of the regenerated subassembly without the need for a full time-consuming test. In the present situation, only after completing a time-consuming comprehensive test of the diagnosed element of the injection system, it is often necessary to carry out its disassembly, replacement or correction of one of the components and reassembly with the next time-consuming test. In the case of low unemployment in the labour market, this is extremely unfavourable, and it is often not possible to organize work in such a way that the diagnostic test of the subassembly takes place without the participation of an employee. On the basis of the analyses presented in this article, carried out in the research and development department in company whose employee is one of the co-authors, it can be stated that in the current situation on the labour market where skilled workers are required to work and for the development of science is the most purposeful recognition of the possibility of using vibroacoustic signals to shorten time of tests, which with a high probability may end in a negative result. The preliminary analysis carried out, show that limitation of diagnostic time can be over 35%.
Źródło:
Journal of KONES; 2019, 26, 4; 15-20
1231-4005
2354-0133
Pojawia się w:
Journal of KONES
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Effects of renewable energy sources on air-fuel ratio
Autorzy:
Torok, A.
Zoldy, M.
Csefalvay, E.
Powiązania:
https://bibliotekanauki.pl/articles/242855.pdf
Data publikacji:
2018
Wydawca:
Instytut Techniczny Wojsk Lotniczych
Tematy:
air-fuel ratio
lambda
gasoline
ethanol
combustion engine
air pollution
environmental protection
Opis:
Environmental emission of road transport is a key problem. Periodic environmental test are designed to ensure minimum emission. Periodic checks are based on measurements. In this emission measurements fuel type plays an important role. The Brettschneider equation is a method used to compare the idealized and actual air fuel ratio. Brettschneider established a method to calculate ratio of oxygen to fuel by comparing the ratio of oxygen molecules to carbon and hydrogen molecules in the exhaust. In this article, authors have investigated blended ethanol effect on idealized and actual air fuel ratio based on Brettschneider equation. The main result of the article that blended ethanol has insignificant effect on air-fuel ratio. The article presents inter alia difference in stoichiometric air fuel ratios in case of different fuels, changes in λ due to blending ethanol and comparison of influence of emissions of different types of transport. In the article authors focus particularly on periodic checks and gasoline driven cars. The main research question was if ethanol blends have effect on idealized and actual air fuel ratio based on Brettschneider equation
Źródło:
Journal of KONES; 2018, 25, 3; 473-477
1231-4005
2354-0133
Pojawia się w:
Journal of KONES
Dostawca treści:
Biblioteka Nauki
Artykuł
Wyświetlanie 1-15 z 56

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