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Improving the Efficiency of Spark-Ignition Internal Combustion Engine Using a Novel Electromagnetic Actuator and Adapting Increased Compression

Author

Listed:
  • Jarosław Mamala

    (Department of Vehicles, Faculty of Mechanical Engineering, Opole University of Technology, St. Mikołajczyka 5, 45-271 Opole, Poland)

  • Bronisław Tomczuk

    (Department of Electrical Engineering and Mechatronics, Faculty of Electrical Engineering Automatic Control and Informatics, Opole University of Technology, Prószkowska 76, 45-758 Opole, Poland)

  • Andrzej Waindok

    (Department of Electrical Engineering and Mechatronics, Faculty of Electrical Engineering Automatic Control and Informatics, Opole University of Technology, Prószkowska 76, 45-758 Opole, Poland)

  • Mariusz Graba

    (Department of Vehicles, Faculty of Mechanical Engineering, Opole University of Technology, St. Mikołajczyka 5, 45-271 Opole, Poland)

  • Krystian Hennek

    (Department of Vehicles, Faculty of Mechanical Engineering, Opole University of Technology, St. Mikołajczyka 5, 45-271 Opole, Poland)

Abstract

This paper presents an empirical study of a spark-ignition internal combustion engine with modifications made to increase its effectiveness. The modification was implemented bi-directionally in terms of changes to the compression ratio and changes to the engine’s valve train. The compression ratio was increased by 2.3 units by design and a hybrid intake valve opening control was used in the engine’s valve train. The hybrid control involved autonomous control of one of the inlet valves with a dedicated electromagnetic actuator. The designed electromagnetic actuator was mounted downstream of the single-cylinder engine’s intake system’s modified camshaft to control the effective compression pressure build-up. Field calculations were carried out for the electromagnetic actuator’s design variants and its current characteristics were determined. The multivariate calculations were carried out in order to find the quasi-optimal geometry of the actuator. The width and height of magnetic field coils and the dimensions of the stator poles were changed, while maintaining the same external dimensions of the actuator to enable its mounting in the cylinder head system. In the next step, the prototype of the actuator was made and placed on the combustion engine in order to conduct the experimental investigations. The work was aimed at improving the internal combustion engine’s efficiency at the low load range, as this is load range in which it has low efficiency despite it being the most often used during normal vehicle operation. The original measurement stand was prepared, and many tests were carried out in order to investigate the influence of the electromagnetic valve on the combustion engine characteristic. This improved the internal combustion engine’s efficiency at its low-load range by up to 25%. Both calculation and measurement results are presented in form of graphs.

Suggested Citation

  • Jarosław Mamala & Bronisław Tomczuk & Andrzej Waindok & Mariusz Graba & Krystian Hennek, 2023. "Improving the Efficiency of Spark-Ignition Internal Combustion Engine Using a Novel Electromagnetic Actuator and Adapting Increased Compression," Energies, MDPI, vol. 16(14), pages 1-17, July.
    • Handle: RePEc:gam:jeners:v:16:y:2023:i:14:p:5355-:d:1193448
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    References listed on IDEAS

    as
    1. He Guo & Liang Liu & Xiangbin Zhu & Siqin Chang & Zhaoping Xu, 2019. "Design of an Electromagnetic Variable Valve Train with a Magnetorheological Buffer," Energies, MDPI, vol. 12(20), pages 1-18, October.
    2. Jiansheng Lin & Shu Yang, 2020. "A Predictive Study of a New VCR Engine with High Expansion Ratio and High-Efficiency Potential under Heavy Load Conditions," Energies, MDPI, vol. 13(7), pages 1-18, April.
    3. Kangda Chen & Fuquan Zhao & Xinglong Liu & Han Hao & Zongwei Liu, 2021. "Impacts of the New Worldwide Light-Duty Test Procedure on Technology Effectiveness and China’s Passenger Vehicle Fuel Consumption Regulations," IJERPH, MDPI, vol. 18(6), pages 1-20, March.
    4. Seung Hwan Lee & Hwa Cho Yi & Kyuyoung Han & Jin Ho Kim, 2015. "Genetic Algorithm-Based Design Optimization of Electromagnetic Valve Actuators in Combustion Engines," Energies, MDPI, vol. 8(11), pages 1-9, November.
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