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The Performance of an Air-Cooled Diesel Engine with a Variable Cross-Section Dual-Channel Swirl Chamber

Author

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  • Lei Wu

    (Department of Mechanical and Energy Engineering, Shaoyang University, Shaoyang 422000, China
    Key Laboratory of Hunan Province for Efficient Power System and Intelligent Manufacturing, Shaoyang University, Shaoyang 422000, China)

  • Jun Fu

    (Department of Mechanical and Energy Engineering, Shaoyang University, Shaoyang 422000, China
    Key Laboratory of Hunan Province for Efficient Power System and Intelligent Manufacturing, Shaoyang University, Shaoyang 422000, China)

  • Yi Ma

    (Department of Mechanical and Energy Engineering, Shaoyang University, Shaoyang 422000, China
    Key Laboratory of Hunan Province for Efficient Power System and Intelligent Manufacturing, Shaoyang University, Shaoyang 422000, China)

  • Donghe Xie

    (College of Vehicle Engineering, Hunan Automotive Engineering Vocational College, Zhuzhou 412000, China)

Abstract

In order to improve the performance of a mini-type air-cooled diesel engine in terms of the overall efficiency and engine emissions, a swirl chamber of a variable cross-section dual-channel model was developed. This study proposed nine turbulent swirl chambers with a variable cross-section for a dual-channel combustion solution, which applied a dual-channel cross-section to the insert between the original swirl chamber and the main chamber. Model-based design, simulation and experiments were applied as a feasible approach to address this issue to find out the influence of the dual-channel inclination angle and divergence angle on the swirl rate in the swirl chamber, the power and the emissions performance, including the fuel efficiency. By comparing the tests, the performance of the diesel engine with a variable cross-section dual-channel swirl chamber was superior to the original one with a single channel in terms of the swirl rate, fuel consumption rate and emissions.

Suggested Citation

  • Lei Wu & Jun Fu & Yi Ma & Donghe Xie, 2022. "The Performance of an Air-Cooled Diesel Engine with a Variable Cross-Section Dual-Channel Swirl Chamber," Energies, MDPI, vol. 15(19), pages 1-18, October.
    • Handle: RePEc:gam:jeners:v:15:y:2022:i:19:p:7263-:d:932562
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    References listed on IDEAS

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    2. Chang, Jiang & Li, Xiangrong & Liu, Yang & Liu, Lifang & Chen, Yanlin & Liu, Dong & Kang, Yuning, 2022. "Combustion performance and energy distributions in a new multi-swirl combustion system," Energy, Elsevier, vol. 256(C).
    3. Costa, M. & Di Blasio, G. & Prati, M.V. & Costagliola, M.A. & Cirillo, D. & La Villetta, M. & Caputo, C. & Martoriello, G., 2020. "Multi-objective optimization of a syngas powered reciprocating engine equipping a combined heat and power unit," Applied Energy, Elsevier, vol. 275(C).
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    Cited by:

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