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Exhaust emission from a vehicle engine operating in dynamic states and conditions corresponding to real driving
1
Faculty of
Mechanical Engineering at Wrocław University of
Technology.
2
Faculty of
Automotive and Construction Machinery Engineering,
Warsaw University of Technology.
3
Faculty of Transport
Engineering, Poznan University of Technology.
Publication date: 2019-07-01
Combustion Engines 2019,178(3), 99–105
KEYWORDS
ABSTRACT
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 de-pending on the time derivative value of the torque and engine rotational speed. Both the positive and negative as well as zero time deriv-ative values of torque and rotational speed were considered. Therefore, overall six types of dynamic states were analyzed. A high sensi-tivity 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 cars 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.
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CITATIONS (5):
1.
Research on Exhaust Emissions in Dynamic Operating States of a Combustion Engine in a Real Driving Emissions Test
Monika Andrych-Zalewska, Zdzislaw Chlopek, Jerzy Merkisz, Jacek Pielecha
Energies
Monika Andrych-Zalewska, Zdzislaw Chlopek, Jerzy Merkisz, Jacek Pielecha
Energies
2.
Influence of the Thermal State of Vehicle Combustion Engines on the Results of the National Inventory of Pollutant Emissions
Katarzyna Bebkiewicz, Zdzisław Chłopek, Hubert Sar, Krystian Szczepański, Magdalena Zimakowska-Laskowska
Applied Sciences
Katarzyna Bebkiewicz, Zdzisław Chłopek, Hubert Sar, Krystian Szczepański, Magdalena Zimakowska-Laskowska
Applied Sciences
3.
Determination of characteristics of pollutant emission from a vehicle engine under traffic conditions in the engine test
Monika Andrych-Zalewska, Zdzisław Chłopek, Jerzy Merkisz, Jacek Pielecha
Combustion Engines
Monika Andrych-Zalewska, Zdzisław Chłopek, Jerzy Merkisz, Jacek Pielecha
Combustion Engines
4.
Fuel with a higher content of bio components in greenhouse effect aspects
Monika Andrych-Zalewska, Lech Sitnik, Zbigniew SROKA, Veselin MIHAYLOV
Combustion Engines
Monika Andrych-Zalewska, Lech Sitnik, Zbigniew SROKA, Veselin MIHAYLOV
Combustion Engines
5.
Analysis of the operation states of internal combustion engine in the Real Driving Emissions test
Monika Andrych-Zalewska, Zdzisław Chłopek, Jerzy Merkisz, Jacek Pielecha
Archives of Transport
Monika Andrych-Zalewska, Zdzisław Chłopek, Jerzy Merkisz, Jacek Pielecha
Archives of Transport
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The scientific journal is financed under the Agreement 185/WCN/2019/1 from the funds of the Minister of Science and Higher Education
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