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Impact of Hydrogen Mixture on Fuel Consumption and Exhaust Gas Emissions in a Truck with Direct-Injection Diesel Engine

Author

Listed:
  • Muxi Wang

    (Graduate School of Global Environmental Studies, Kyoto University, Kyoto 606-8501, Japan)

  • Akira Matsugi

    (National Institute of Advanced Industrial Science and Technology (AIST), 16-1 Onogawa, Tsukuba 305-8569, Japan)

  • Yoshinori Kondo

    (National Institute for Environmental Studies, 16-2 Onogawa, Tsukuba 305-8506, Japan)

  • Yosuke Sakamoto

    (Graduate School of Global Environmental Studies, Kyoto University, Kyoto 606-8501, Japan
    National Institute for Environmental Studies, 16-2 Onogawa, Tsukuba 305-8506, Japan
    Graduate School of Human and Environmental Studies, Kyoto University, Kyoto 606-8501, Japan)

  • Yoshizumi Kajii

    (Graduate School of Global Environmental Studies, Kyoto University, Kyoto 606-8501, Japan
    National Institute for Environmental Studies, 16-2 Onogawa, Tsukuba 305-8506, Japan
    Graduate School of Human and Environmental Studies, Kyoto University, Kyoto 606-8501, Japan)

Abstract

Hydrogen addition affects the composition of exhaust gases in vehicles. However, the effects of hydrogen addition to compression ignition engines in running vehicles have not been evaluated. Hydrogen-mixed air was introduced into the air intake of a truck equipped with a direct-injection diesel engine and running on a chassis dynamometer to investigate the effect of hydrogen addition on fuel consumption and exhaust gas components. The reduction in diesel consumption and the increase in hydrogen energy share (HES) showed almost linear dependence, where the percentage decrease in diesel consumption is approximately 0.6 × HES. The percentage reduction of CO 2 showed a one-to-one relationship to the reduction in diesel consumption. The reduction in emissions of CO, PM, and hydrocarbons (except for ethylene) had one to one or a larger correlation with the reduction of diesel consumption. On the other hand, it was observed that NO x emissions increased, and the percentage increase of NO x was 1.5~2.0 times that of HES. The requirement for total energy supply was more when hydrogen was added than for diesel alone. In the actual running mode, only 50% of the energy of added hydrogen was used to power the truck. As no adjustments were made to the engine in this experiment, a possible disadvantage that could be improved by adjusting the combustion conditions.

Suggested Citation

  • Muxi Wang & Akira Matsugi & Yoshinori Kondo & Yosuke Sakamoto & Yoshizumi Kajii, 2023. "Impact of Hydrogen Mixture on Fuel Consumption and Exhaust Gas Emissions in a Truck with Direct-Injection Diesel Engine," Energies, MDPI, vol. 16(11), pages 1-12, May.
    • Handle: RePEc:gam:jeners:v:16:y:2023:i:11:p:4466-:d:1161347
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    References listed on IDEAS

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    1. Yilmaz, I.T. & Gumus, M., 2018. "Effects of hydrogen addition to the intake air on performance and emissions of common rail diesel engine," Energy, Elsevier, vol. 142(C), pages 1104-1113.
    2. Kamil Wróbel & Justyna Wróbel & Wojciech Tokarz & Jakub Lach & Katarzyna Podsadni & Andrzej Czerwiński, 2022. "Hydrogen Internal Combustion Engine Vehicles: A Review," Energies, MDPI, vol. 15(23), pages 1-13, November.
    3. Charalambos Frantzis & Theodoros Zannis & Petros G. Savva & Elias Ar. Yfantis, 2022. "A Review on Experimental Studies Investigating the Effect of Hydrogen Supplementation in CI Diesel Engines—The Case of HYMAR," Energies, MDPI, vol. 15(15), pages 1-17, August.
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