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The Internal Residual Gas and Effective Release Energy of a Spark-Ignition Engine with Various Inlet Port–Bore Ratios and Full Load Condition

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  • Nguyen Xuan Khoa

    (School of Mechanical Engineering, University of Ulsan, San 29, Mugeo2-dong, Nam-gu, Ulsan 44610, Korea
    Faculty of Automobile Technology, HaNoi University of Industry, No.298, Cau Dien Street, Bac Tu Liem District, Ha Noi 100000, Vietnam)

  • Ocktaeck Lim

    (School of Mechanical Engineering, University of Ulsan, San 29, Mugeo2-dong, Nam-gu, Ulsan 44610, Korea)

Abstract

This paper presents the effect of inlet port diameter–bore ratios (IPD/B) on the effective release energy and internal exhaust residual gas of a spark-ignition engine. To investigate the exhaust residual gas in the combustion chamber, a simulation model is setup based on AVL-boost software, and to validate the simulation model an experimental model is also setup. The results of the research show that: the IPD/B ratios have a large effect on the residual gas and effective release energy. When the IPD/B ratio increases from 0.3–0.5, the residual gas increases from 0.11% to 0.14%, and the effective release energy increases from 0.33 KJ to a maximum value of 0.45 KJ, and after that decreases. The engine shows the maximum effective release energy at IPD/B ratio is 0.4. The emission of HC and CO is decreased, but the NO x is increased until a maximum value after that decreased.

Suggested Citation

  • Nguyen Xuan Khoa & Ocktaeck Lim, 2021. "The Internal Residual Gas and Effective Release Energy of a Spark-Ignition Engine with Various Inlet Port–Bore Ratios and Full Load Condition," Energies, MDPI, vol. 14(13), pages 1-13, June.
    • Handle: RePEc:gam:jeners:v:14:y:2021:i:13:p:3773-:d:580745
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    References listed on IDEAS

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    1. Khoa, Nguyen Xuan & Quach Nhu, Y. & Lim, Ocktaeck, 2020. "Estimation of parameters affected in internal exhaust residual gases recirculation and the influence of exhaust residual gas on performance and emission of a spark ignition engine," Applied Energy, Elsevier, vol. 278(C).
    2. Teo, A.E. & Chiong, M.S. & Yang, M. & Romagnoli, A. & Martinez-Botas, R.F. & Rajoo, S., 2019. "Performance evaluation of low-pressure turbine, turbo-compounding and air-Brayton cycle as engine waste heat recovery method," Energy, Elsevier, vol. 166(C), pages 895-907.
    3. Khoa, Nguyen Xuan & Lim, Ocktaeck, 2019. "The effects of combustion duration on residual gas, effective release energy, engine power and engine emissions characteristics of the motorcycle engine," Applied Energy, Elsevier, vol. 248(C), pages 54-63.
    4. Jung, Dongwon & Iida, Norimasa, 2018. "An investigation of multiple spark discharge using multi-coil ignition system for improving thermal efficiency of lean SI engine operation," Applied Energy, Elsevier, vol. 212(C), pages 322-332.
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    Cited by:

    1. Nguyen Xuan Khoa & Ocktaeck Lim, 2021. "A Study to Investigate the Effect of Valve Mechanisms on Exhaust Residual Gas and Effective Release Energy of a Motorcycle Engine," Energies, MDPI, vol. 14(17), pages 1-14, September.
    2. Quach-Nhu Yhcmute & Nguyen-Xuan Khoa & Ocktaeck Lim, 2021. "A Study on the Effect of Ignition Timing on Residual Gas, Effective Release Energy, and Engine Emissions of a V-Twin Engine," Energies, MDPI, vol. 14(15), pages 1-18, July.

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