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Comparison of Gasoline Engine Exhaust Emissions of a Passenger Car through the WLTC and RDE Type Approval Tests

Author

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  • Monika Andrych-Zalewska

    (Faculty of Mechanical Engineering, Wroclaw University of Science and Technology, Wybrzeze Wyspianskiego 27, 50-370 Wroclaw, Poland)

  • Zdzislaw Chlopek

    (Faculty of Automotive and Construction Machinery Engineering, Warsaw University of Technology, Narbutta 84, 02-524 Warsaw, Poland)

  • Jerzy Merkisz

    (Faculty of Civil and Transport Engineering, Poznan University of Technology, pl. M. Sklodowskiej-Curie 5, 60-965 Poznan, Poland)

  • Jacek Pielecha

    (Faculty of Civil and Transport Engineering, Poznan University of Technology, pl. M. Sklodowskiej-Curie 5, 60-965 Poznan, Poland)

Abstract

The article presents a comparison of exhaust emission test results from a passenger car with a spark-ignition engine examined with the WLTC (Worldwide Harmonized Light-Duty Vehicles Test Cycle) test, which was carried out on a chassis dynamometer, and examined with a RDE (Real Driving Emissions) test, which was conducted in real vehicle operating conditions. The exhaust emissions and the emitted particle number in the individual phases of both tests were determined. Large disparities were found in the results of the two tests. The cold start-up had a particularly significant impact on the test results in the case of the WLTC test. This impact is much greater than in the RDE test, mainly due to the fact that the RDE test is much longer than the WLTC test. Moreover, the engine load in the RDE test was greater than in the WLTC test. As a result of the conducted analyses, it was postulated that the research should be continued in stochastic conditions for the vehicle speed function, e.g., in the implementation of the speed function determined for the real conditions of the vehicle operation.

Suggested Citation

  • Monika Andrych-Zalewska & Zdzislaw Chlopek & Jerzy Merkisz & Jacek Pielecha, 2022. "Comparison of Gasoline Engine Exhaust Emissions of a Passenger Car through the WLTC and RDE Type Approval Tests," Energies, MDPI, vol. 15(21), pages 1-13, November.
    • Handle: RePEc:gam:jeners:v:15:y:2022:i:21:p:8157-:d:960352
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    References listed on IDEAS

    as
    1. Branislav Šarkan & Marek Jaśkiewicz & Przemysław Kubiak & Dariusz Tarnapowicz & Michal Loman, 2022. "Exhaust Emissions Measurement of a Vehicle with Retrofitted LPG System," Energies, MDPI, vol. 15(3), pages 1-22, February.
    2. Jacek Pielecha & Kinga Skobiej & Maciej Gis & Wojciech Gis, 2022. "Particle Number Emission from Vehicles of Various Drives in the RDE Tests," Energies, MDPI, vol. 15(17), pages 1-20, September.
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    Cited by:

    1. Maksymilian Mądziel, 2023. "Vehicle Emission Models and Traffic Simulators: A Review," Energies, MDPI, vol. 16(9), pages 1-31, May.
    2. Mirosław Karczewski & Grzegorz Szamrej, 2023. "Experimental Evaluation of the Effect of Replacing Diesel Fuel by CNG on the Emission of Harmful Exhaust Gas Components and Emission Changes in a Dual-Fuel Engine," Energies, MDPI, vol. 16(1), pages 1-32, January.
    3. Wojciech Cieslik & Weronika Antczak, 2023. "Research of Load Impact on Energy Consumption in an Electric Delivery Vehicle Based on Real Driving Conditions: Guidance for Electrification of Light-Duty Vehicle Fleet," Energies, MDPI, vol. 16(2), pages 1-19, January.

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