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Tytuł:
Ocena ekologicznych właściwości silników spalinowych o różnych zastosowaniach -- problemy procedur badawczych
Autorzy:
Chłopek, Zdzisław.
Powiązania:
W: Alternatywne paliwa pochodzenia roślinnego do silników wozów bojowych : problemy eksploatacji zespołów napędowych pojazdów wojskowych : KONSSPAL 2000 / red. nauk. Mieczysław Struś ; Wyższa Szkoła Inżynierska im. Tadeusza Kościuszki Wrocław : WSO s. 33-42
Współwytwórcy:
Struś, Mieczysław. Redakcja
Data publikacji:
3342
Tematy:
Silniki spalinowe ekologia badanie materiały konferencyjne
Pojazdy wojskowe napęd materiały konferencyjne
Opis:
Rys.; Bibliogr.
Dostawca treści:
Bibliografia CBW
Artykuł
Tytuł:
Driving style analysis based on information from the vehicles OBD system
Autorzy:
Lasocki, Jakub
Chłopek, Zdzisław
Godlewski, Tomasz
Powiązania:
https://bibliotekanauki.pl/articles/132936.pdf
Data publikacji:
2019
Wydawca:
Polskie Towarzystwo Naukowe Silników Spalinowych
Tematy:
driving style
driving patterns
OBD
On-Board Diagnostics
road tests
styl jazdy
wzorzec jazdy
samodiagnostyka pojazdu
badania drogowe
Opis:
The purpose of this study was to analyse the possibility of using information from the On Board Diagnostics (OBD) system of the vehicle to determine the characteristics of the driver's driving style. Available data from the OBD system were considered and the most useful ones were selected for further investigation. Selected zero-dimensional characteristics of vehicle velocity as well as characteristics of relative position of the accelerator pedal were proposed as criteria for the assessment of driving style. The tests were carried out in conditions of real road traffic using a passenger car with a spark-ignition engine. The car was equipped with a device for recording signals from the OBD system. The tests included two drivers traveling on routes in the urban and rural areas. The obtained results were used to analyse the driving style of both drivers separately in the considered traffic conditions. On this basis, conclusions on the suitability of information from the OBD system for the assessment of the driver's driving style were formulated.
Źródło:
Combustion Engines; 2019, 58, 3; 173-181
2300-9896
2658-1442
Pojawia się w:
Combustion Engines
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Impact of pollutant emission from motor vehicles on air quality in a city agglomeration
Autorzy:
Chłopek, Zdzisław
Lasocki, Jakub
Strzałkowska, Katarzyna
Zakrzewska, Dagna
Powiązania:
https://bibliotekanauki.pl/articles/133589.pdf
Data publikacji:
2019
Wydawca:
Polskie Towarzystwo Naukowe Silników Spalinowych
Tematy:
emission of pollutants
immission of pollutants
motor vehicles
emisja zanieczyszczeń
imisja zanieczyszczeń
pojazdy samochodowe
Opis:
In the large urban areas, in middle latitudes, as in case of Poland, the cause of poor air quality is immission: in winter particulate matter PM10 and PM2.5, in summer - ozone and nitrogen oxides (or nitrogen dioxide). In the whole country, road transport is significantly responsible for the emission of nitrogen oxides (30%), carbon monoxide (20%) and less for emission of particulate matter (a few percent). In the case of other pollutants, the emission of non-metallic organic compounds is less than 10% (including polycyclic organic compounds - just over 0.5%), and sulfur oxides - only 0.03%! To analyze impact of automotive industry on air quality, pollutant emission data from two stations in Krakow were selected. These stations are known for poor air quality - the stations are: Dietla Street - with a high level of traffic and Kurdwanów - place located far from traffic routes. It was found that other objects than automotive vehicles are the dominant source of dust. These are industrial sources and - above all - energy sources, especially individual heating installations. Particularly large dust pollution occurs in winter and it is not always in areas with intense traffic. There was a strong dependence between immission of pollutants and road traffic, however, this dependence is not dominant in assessing the risk of air quality in urban agglomerations.
Źródło:
Combustion Engines; 2019, 58, 2; 7-11
2300-9896
2658-1442
Pojawia się w:
Combustion Engines
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Equivalent Carbon Dioxide Emission in Useful Energy Generation in the Heat-Generating Plant – Application of the Carbon Footprint Methodology
Autorzy:
Chłopek, Zdzisław
Lasocki, Jakub
Melka, Krzysztof
Szczepański, Krystian
Powiązania:
https://bibliotekanauki.pl/articles/1839094.pdf
Data publikacji:
2021
Wydawca:
Polskie Towarzystwo Inżynierii Ekologicznej
Tematy:
carbon dioxide
CO2
greenhouse gases
GHG
emission
energy generation
heat plant
coal
carbon footprint
CF
Opis:
The energy sector worldwide is a significant source of air pollutant emission. In Poland, the vast majority of heat and electricity is generated in coal-fired heat and power plants. There is a common belief that high greenhouse gas emissions from the energy sector in Poland are mainly due to the technological processes involving the conversion of energy by burning fossil fuels. However, coal mining also causes a high environmental burden. This paper aimed to determine the carbon footprint of a typical hard coal-fired heating plant in Poland, taking into account mining of hard coal, its transport to the heating plant and useful energy generation in the heating plant. The investigation carried out allowed comparing the process steps and determining which of them is the dominant source of the greenhouse gas emissions. The obtained results show that hard coal mining and hard coal transport account for almost 65% and 5% of total equivalent carbon dioxide emission, respectively. Energy transformations in the heating plant account for 30% of total equivalent carbon dioxide emission, where approx. 29% is due to hard coal burning and 1% due to electricity consumption. The relative shares of carbon dioxide, methane and nitrous oxide in total equivalent carbon dioxide emission account for approx. 91%, 4% and 5%, respectively.
Źródło:
Journal of Ecological Engineering; 2021, 22, 2; 144-154
2299-8993
Pojawia się w:
Journal of Ecological Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Determination of exhaust emission characteristics in the RDE test using the Monte Carlo method
Autorzy:
Andrych-Zalewska, Monika
Chłopek, Zdzisław
Merkisz, Jerzy
Pielecha, Jacek
Powiązania:
https://bibliotekanauki.pl/articles/27311798.pdf
Data publikacji:
2023
Wydawca:
Polska Akademia Nauk. Czasopisma i Monografie PAN
Tematy:
Monte Carlo method
RDE test
combustion engine
pollutant emission
metoda Monte Carlo
RDE
silnik spalinowy
emisja zanieczyszczeń
Opis:
The article presents a method of determining the characteristics of exhaust emissions and fuel mass consumption in real driving conditions based on a single test using the Monte Carlo method. The exhaust emission characteristics used are the relations between the emissions and the average vehicle speed, and the characteristic of the fuel mass consumption is the dependence of the fuel mass consumption at the average vehicle speed. The results of empirical research of a passenger car with a spark-ignition engine in the RDE test were used. The use of the Monte Carlo method made it possible to select the initial and final moments of averaging the process values, thanks to which it was possible to determine the discrete values of the characteristics for various values of average vehicle speeds. The determined discrete characteristics of the particulate mass and number emissions and fuel mass consumption relative to the average vehicle speed were approximated by polynomial functions of the second and third degree. The determined discrete characteristics, presented as sets of points, were characterized by a relatively small dispersion in relation to their polynomial approximations. The average relative deviation of the points of discrete characteristics from the value of the polynomial was in most cases small – less than 4%, only in the case of the number of particles emitted deviated from this, as the average relative deviation of the measured points from the determined polynomial was nearly 14%. Combined with the results of RDE empirical studies, the Monte Carlo method proved to be an effective method for determining the characteristics of exhaust emissions, measured in real vehicle operating conditions. The main advantage of the proposed method was a significant reduction in the actual workload necessary to carry out the empirical research – where it became possible to determine the characteristics in a large range of vehicle average speed values with just one drive test. Using standard methods of measuring this type of data, it would be necessary to conduct multiple tests, driving at different average vehicle speeds.
Źródło:
Archives of Transport; 2023, 66, 2; 45--60
0866-9546
2300-8830
Pojawia się w:
Archives of Transport
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Emission of pollutants from motor vehicles in Poland comparing to pollutant emission in the European Union
Autorzy:
Bebkiewicz, Katarzyna
Chłopek, Zdzisław
Szczepański, Krystian
Zimakowska-Laskowska, Magdalena
Powiązania:
https://bibliotekanauki.pl/articles/132934.pdf
Data publikacji:
2019
Wydawca:
Polskie Towarzystwo Naukowe Silników Spalinowych
Tematy:
inventory of pollutant emission
motor vehicles
inwentaryzacja emisji zanieczyszczeń
pojazdy samochodowe
Opis:
The inventory results of pollutant emission from motor vehicles in Poland comparing to the emission of pollutants in the European Union have been presented in the paper. The analysis is based on the official results of the pollution inventory reported to the European Union. Emission of the following substances was considered for the years 1990-2016 for Poland and the European Union from all civilization and road transport activities: carbon monoxide, non-methan volatile organic compounds, nitrogen oxides and particulate matter consisting of fractions: total suspended particles, PM10 and PM2.5. It was observed that the share of pollutant emission from road transport in Poland is smaller than for the entire European Union. This is especially evident in the case of particulate matter and nitrogen oxides. As a result of the analysis of the emission inventory in the European Union, it was confirmed that the share of motorization in the emission of pollutants harmful to human health is significantly smaller in Poland than in the entire European Union. Therefore, conducting a detailed analysis of specific distance emission of pollutants from a statistical vehicle as well as extending research on greenhouse gas emission from motor vehicles is recommended.
Źródło:
Combustion Engines; 2019, 58, 3; 56-60
2300-9896
2658-1442
Pojawia się w:
Combustion Engines
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Static internal combustion engine operating states in vehicle driving tests
Autorzy:
Andrych-Zalewska, Monika
Chłopek, Zdzisław
Merkisz, Jerzy
Pielecha, Jacek
Powiązania:
https://bibliotekanauki.pl/articles/133063.pdf
Data publikacji:
2019
Wydawca:
Polskie Towarzystwo Naukowe Silników Spalinowych
Tematy:
combustion engines
drive test
engine operating conditions
silniki spalinowe
test jezdny
warunki pracy silnika
Opis:
The article presents the compression-ignition engine test results of static operating states in driving tests: NEDC (New European Driving Cycle), RDE (Real Driving Emissions) and the Malta custom test cycle, developed at the Poznan University of Technology. The NEDC and Malta tests were carried out as drive cycle simulations on the engine test bench, the RDE test was carried out in the real driving conditions. The engine operating states are described by the physical quantities of speed and torque. For each of the tests, zero-dimensional characteristics of the values describing the engine operation states were determined, including: mean value and average standard deviation and coefficient of variation. Histograms of quantities describing the engine's operating states for considered tests and driving conditions were also determined. A large diversity of zero-dimensional characteristics of the quantities describing the engine's operating states for the considered driving tests and driving conditions was found.
Źródło:
Combustion Engines; 2019, 58, 2; 50-54
2300-9896
2658-1442
Pojawia się w:
Combustion Engines
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Exhaust emission from a vehicle engine operating in dynamic states and conditions corresponding to real driving
Autorzy:
Andrych-Zalewska, Monika
Chłopek, Zdzisław
Merkisz, Jerzy
Pielecha, Jacek
Powiązania:
https://bibliotekanauki.pl/articles/133389.pdf
Data publikacji:
2019
Wydawca:
Polskie Towarzystwo Naukowe Silników Spalinowych
Tematy:
combustion engines
exhaust emissions
dynamic states
silniki spalinowe
emisja spalin
stany dynamiczne
Opis:
The article presents the exhaust emission results from a diesel engine in dynamic states of engine operation in the driving tests: NEDC (New European Driving Cycle) and Malta test, developed at the Poznan University of Technology. The NEDC and Malta tests were carried out as simulations on the engine test bench mimicking the driving tests conditions. The test results of the emission of carbon monoxide, hydrocarbons and nitrogen oxides obtained in each of the tests were presented. The dynamic states have been classified depending on the time derivative value of the torque and engine rotational speed. Both the positive and negative as well as zero time derivative values of torque and rotational speed were considered. Therefore, overall six types of dynamic states were analyzed. A high sensitivity of exhaust emission to various types of dynamic states was found. The exhaust emission sensitivity to dynamic states in the Malta test was found to be higher than for the NEDC test, although these tests have similar properties (average rotational speed and average torque). This is due to the fact that the NEDC test is created on the basis of the similarity of zero-dimensional characteristics of the car's speed characteristic, whereas the Malta test was designed in accordance with the principle of faithful representation in the time domain of the NEDC speed curve.
Źródło:
Combustion Engines; 2019, 58, 3; 99-105
2300-9896
2658-1442
Pojawia się w:
Combustion Engines
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Analysis of the operation states of internal combustion engine in the Real Driving Emissions test
Autorzy:
Andrych-Zalewska, Monika
Chłopek, Zdzisław
Merkisz, Jerzy
Pielecha, Jacek
Powiązania:
https://bibliotekanauki.pl/articles/2124713.pdf
Data publikacji:
2022
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
combustion engine
real driving emissions
engine operation states
silnik spalinowy
emisje spalin
stan pracy silnika
Opis:
Internal combustion engines represent the largest share of motor vehicle propulsion types. Despite the introduction of alternative drives (hybrid and electric), combustion engines will continue to be the main factor in the development of transport. Therefore, work related to their technological development and reduction of their harmful effects on human health and the environment is required. The development of internal combustion engines can be seen in two directions: technological changes resulting in increased efficiency of such engines and the second direction connected with limitation of exhaust gas emission. The present work is included in the second direction of research interests and concerns the analysis of various operating conditions of internal combustion engines. The operating states, both static and dynamic, determine the operational properties of internal combustion engines, such as fuel and energy consumption as well as pollutant emissions. Sofar, such operating conditions have only been mapped on a chassis dynamometer in various homologation tests. The course of the type approval test was known and the conditions of measurement were also known, which made it impossible to introduce a random factor into such tests. Currently, these properties are determined in tests performed in real vehicle operating conditions – RDE (Real Driving Emissions). Such tests are representing real operating conditions of motor vehicles. Limitations for performing tests in real traffic conditions are, apart from formal requirements concerning the duration and distance of individual parts, the dynamic conditions of vehicles determined by the speed and acceleration of the vehicle. The study analyzed the properties of vehicle speed processes and engine operating states in the RDE test, taking into account its individual phases – driving in urban, rural and motorway conditions. Engine operation states are the processes of the engine rotational speed and its relative torque. It was found that the dynamic properties of the vehicle speed process are much more significant than the engine operating states. It was also found that the road emission of pollutants in the RDE test, which is the property of vehicles measured in the test, the motorway phase properties have greatest impact.
Źródło:
Archives of Transport; 2022, 61, 1; 71--88
0866-9546
2300-8830
Pojawia się w:
Archives of Transport
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Determination of characteristics of pollutant emission from a vehicle engine under traffic conditions in the engine test
Autorzy:
Andrych-Zalewska, Monika
Chłopek, Zdzisław
Merkisz, Jerzy
Pielecha, Jacek
Powiązania:
https://bibliotekanauki.pl/articles/2202521.pdf
Data publikacji:
2022
Wydawca:
Polskie Towarzystwo Naukowe Silników Spalinowych
Tematy:
combustion engine
pollutant emission
driving test
engine test
characteristics of pollutant emission
Monte Carlo method
silnik spalinowy
emisja zanieczyszczeń
test jezdny
test silnika
charakterystyki emisji zanieczyszczeń
metoda Monte Carlo
Opis:
The paper describes the method of determination of exhaust emission characteristics from a vehicle engine based on the results obtained in a driving test simulated on an engine dynamometer. These characteristics are the relations between the specific distance emissions and the zero-dimensional characteristics of the process of vehicle velocity: the average velocity value and the average value of the absolute value of the product of vehicle velocity and acceleration. The exhaust emission characteristics are used to simulate the emissions from vehicles operating in different types of traffic conditions. The engine operating states in the engine dynamometer tests were determined by the operating conditions of the vehicle during the test. The authors applied the Monte Carlo method in order to determine the characteristics of different values of the zero-dimensional characteristics of the vehicle velocity process. This enabled the determination of the characteristics based on the test results from a single realization of the process of vehicle velocity. Additionally, the developed method allowed a replacement of the empirical research on the chassis dynamometer with the one performed on the engine dynamometer. The obtained exhaust emission characteristics are in line with the characteristics obtained on the chassis dynamometer in multiple tests.
Źródło:
Combustion Engines; 2022, 61, 4; 58--65
2300-9896
2658-1442
Pojawia się w:
Combustion Engines
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Investigation of exhaust emissions from the gasoline engine of a light duty vehicle in the Real Driving Emissions test
Autorzy:
Andrych-Zalewska, Monika
Chlopek, Zdzislaw
Pielecha, Jacek
Merkisz, Jerzy
Powiązania:
https://bibliotekanauki.pl/articles/24200821.pdf
Data publikacji:
2023
Wydawca:
Polska Akademia Nauk. Polskie Naukowo-Techniczne Towarzystwo Eksploatacyjne PAN
Tematy:
internal combustion engine
pollutant emission
RDE test
Monte Carlo method
Opis:
The article contains the research results and analysis of the processes that take place as part of a gasoline engine light duty vehicle Real Driving Emissions test. Dimensionless characteristics of exhaust emission and fuel mass consumption in the RDE test were also determined: emission intensity, particle number emission intensity, fuel mass consumption intensity. An algorithm for determining the characteristics specific distance pollutant emission, specific distance particle number and specific distance fuel mass consumption in the vehicle speed domain in the RDE test was presented using the Monte Carlo method. The determined characteristics were approximated by polynomial functions in the form of sets of points. These relationships were characterized by a large dispersion of values, which was primarily due to the fact that the random values of the averaging limits contain very different engine operating conditions.
Źródło:
Eksploatacja i Niezawodność; 2023, 25, 2; art. no. 165880
1507-2711
Pojawia się w:
Eksploatacja i Niezawodność
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Characteristics of pollutant emission from motor vehicles for the purposes of the Central Emission Database in Poland
Autorzy:
Bebkiewicz, Katarzyna
Chłopek, Zdzisław
Lasocki, Jakub
Szczepański, Krystian
Zimakowska-Laskowska, Magdalena
Powiązania:
https://bibliotekanauki.pl/articles/132987.pdf
Data publikacji:
2019
Wydawca:
Polskie Towarzystwo Naukowe Silników Spalinowych
Tematy:
pollutant emission characteristics
motor vehicles
Central Emission Base
charakterystyki emisji zanieczyszczeń
pojazdy silnikowe
Centralna Baza Emisyjna
Opis:
Within the Institute of Environmental Protection - National Research Institute the Central Emission Database is being established. The Database will cover the most important emission sectors from anthropogenic activities, including usage of motor vehicles. The intensity of emissions of individual pollutants is the input data to air pollution dispersion models. Based on calculations performed by the air pollution dispersion models concentration of pollutants dispersed in atmospheric air (pollution immission) is provided. The annual average immision for a selected place in Poland is a measure of the threat to environment. In order to determine the intensity of pollutant emissions from motor vehicles it is necessary to recognize the intensity of vehicle motion and the volume of emission of pollutants depending on the type of vehicle motion. The task presented in this article is to determine the characteristics of pollutant emissions from motor vehicles depending on the type of their motion. The mean value of vehicle speeds was used to characterize the type of vehicle motion. The emission of pollutants from vehicles is therefore characterized by the dependence of road emissions of pollutants on the average speed of vehicles. The characteristics were determined for cumulated categories of motor vehicles: passenger cars, light commercial vehicles as well as heavy duty trucks and buses. The results of the inventory of pollutant emissions from motor vehicles in Poland in 2016 were used to determine the characteristics of pollutant emissions.
Źródło:
Combustion Engines; 2019, 58, 2; 165-171
2300-9896
2658-1442
Pojawia się w:
Combustion Engines
Dostawca treści:
Biblioteka Nauki
Artykuł
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