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Ammonia Combustion in a Spark-Ignition Engine Supported with Dimethyl Ether

Author

Listed:
  • Wojciech Tutak

    (Department of Thermal Machinery, Czestochowa University of Technology, 42-201 Czestochowa, Poland)

  • Michał Pyrc

    (Department of Thermal Machinery, Czestochowa University of Technology, 42-201 Czestochowa, Poland)

  • Michał Gruca

    (Department of Thermal Machinery, Czestochowa University of Technology, 42-201 Czestochowa, Poland)

  • Arkadiusz Jamrozik

    (Department of Thermal Machinery, Czestochowa University of Technology, 42-201 Czestochowa, Poland)

Abstract

This paper presents the results of experimental tests with a spark-ignition engine powered using ammonia and DME (dimethyl ether). The tests were carried out on a CFR (cooperative fuel research) engine with a compression ratio of 10 and a rotational speed of 600 rpm. DME was used as a fuel to facilitate the initiation and then accelerate the combustion in the SI (spark-ignition) engine. It turned out that only about 10% of the energy share of DME ensures the correct combustion process. DME has a positive effect on the combustion stages, reduces the ignition delay time, and shortens the combustion duration. Thanks to this, for 18% of the energy share of NH 3 , the highest engine efficiency (29.8%), the highest value of the average indicated pressure IMEP (712 kPa), and the minimum value of specific energy consumption (12.1 MJ/kWh) were obtained. Even the smallest DME content ensured the high repeatability of IMEP, below the permissible limit of 5%.

Suggested Citation

  • Wojciech Tutak & Michał Pyrc & Michał Gruca & Arkadiusz Jamrozik, 2023. "Ammonia Combustion in a Spark-Ignition Engine Supported with Dimethyl Ether," Energies, MDPI, vol. 16(21), pages 1-18, October.
    • Handle: RePEc:gam:jeners:v:16:y:2023:i:21:p:7283-:d:1268293
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    References listed on IDEAS

    as
    1. Fei Ma & Lingyan Guo & Zhijie Li & Xiaoxiao Zeng & Zhencao Zheng & Wei Li & Feiyang Zhao & Wenbin Yu, 2023. "A Review of Current Advances in Ammonia Combustion from the Fundamentals to Applications in Internal Combustion Engines," Energies, MDPI, vol. 16(17), pages 1-20, August.
    2. Gabriele D’Antuono & Davide Lanni & Enzo Galloni & Gustavo Fontana, 2023. "Numerical Modeling and Simulation of a Spark-Ignition Engine Fueled with Ammonia-Hydrogen Blends," Energies, MDPI, vol. 16(6), pages 1-14, March.
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