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Determination of characteristics of pollutant emission from a vehicle engine under traffic conditions in the engine test
| 1 | Mechanical Engineering, Wroclaw University of Science and Technology, Poland |
| 2 | Faculty of Automotive and Construction Machinery Engineering,, Warsaw University of Technology, Poland |
| 3 | Faculty of Civil and Transport Engineering, Poznan University of Technology, Poland |
CORRESPONDING AUTHOR
Monika Andrych-Zalewska
Mechanical Engineering, Wroclaw University of Science and Technology, Poland
Mechanical Engineering, Wroclaw University of Science and Technology, Poland
Submission date: 2022-02-08
Final revision date: 2022-03-12
Acceptance date: 2022-03-13
Online publication date: 2022-03-13
Publication date: 2022-10-01
Combustion Engines 2022,191(4), 58–65
KEYWORDS
combustion enginepollutant emissiondriving testcharacteristics of pollutant emissionthe Monte Carlo method
TOPICS
ABSTRACT
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.
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