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Feasibility Study of a Scroll Expander for Recycling Low-Pressure Exhaust Gas Energy from a Vehicle Gasoline Engine System

Author

Listed:
  • Xing Luo

    (School of Engineering, University of Warwick, Coventry CV4 7AL, West Midlands, UK)

  • Jihong Wang

    (School of Engineering, University of Warwick, Coventry CV4 7AL, West Midlands, UK
    School of Electrical & Electronic Engineering, Huazhong University of Science & Technology, Wuhan 430074, China)

  • Christopher Krupke

    (School of Engineering, University of Warwick, Coventry CV4 7AL, West Midlands, UK)

  • Hongming Xu

    (School of Mechanical Engineering, University of Birmingham, Birmingham B15 2TT, UK)

Abstract

The growing number of vehicles on the road has led to a rapid increase in fuel consumption and toxic gas emissions, so the challenges in fuel efficiency improvement and reduction of CO 2 and NO x emissions have always been on the top agenda of the automotive industry. The paper presents a feasibility study of recovering the low-pressure exhaust gas energy via by-pass connection of a scroll expander to the engine system exhaust. The paper starts with the description of the proposed new exhaust energy recycling scheme and the mathematical modelling of the system. A feasibility study is carried out to investigate whether this new scheme can work with the engine operation conditions specified by the engine test data. The initial study indicated that the scroll expander structure needs to be modified; otherwise, it cannot be used for exhaust energy recovery. The experimental test and simulation results presented in this paper indicate that it is feasible to recover the low-pressure exhaust gas energy using a scroll expander with a modified structure. The proposed energy recovery system has the potential to produce over 400 W power output with over 90% of engine exhaust flow recycling.

Suggested Citation

  • Xing Luo & Jihong Wang & Christopher Krupke & Hongming Xu, 2016. "Feasibility Study of a Scroll Expander for Recycling Low-Pressure Exhaust Gas Energy from a Vehicle Gasoline Engine System," Energies, MDPI, vol. 9(4), pages 1-22, March.
    • Handle: RePEc:gam:jeners:v:9:y:2016:i:4:p:231-:d:66377
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    References listed on IDEAS

    as
    1. Sun, Hao & Luo, Xing & Wang, Jihong, 2015. "Feasibility study of a hybrid wind turbine system – Integration with compressed air energy storage," Applied Energy, Elsevier, vol. 137(C), pages 617-628.
    2. Park, Youngsoo & Bae, Choongsik, 2014. "Experimental study on the effects of high/low pressure EGR proportion in a passenger car diesel engine," Applied Energy, Elsevier, vol. 133(C), pages 308-316.
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    Cited by:

    1. Song, Panpan & Wei, Mingshan & Zhang, Yangjun & Sun, Liwei & Emhardt, Simon & Zhuge, Weilin, 2018. "The impact of a bilateral symmetric discharge structure on the performance of a scroll expander for ORC power generation system," Energy, Elsevier, vol. 158(C), pages 458-470.
    2. Jai Pyo Sung & Joon Hong Boo & Eui Guk Jung, 2020. "Transient Thermodynamic Modeling of a Scroll Compressor Using R22 Refrigerant," Energies, MDPI, vol. 13(15), pages 1-21, July.

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