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Comparison of the different shapes of extruded annular nozzle on the fuel mixing of the hydrogen jet at supersonic combustion chamber

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  • Li, Yaohui
  • Zhu, Guanghui
  • Chao, Yanpu
  • Chen, Liangbin
  • Alizadeh, As'ad

Abstract

The fuel mixing mechanism is a critical aspect of the propulsion system of hypersonic vehicles. This study aimed to comprehensively investigate a novel jet configuration that enhances fuel mixing in the combustion chamber. The primary objective was to analyze the significance of vortexes in fuel distribution within the combustion chamber. Computational fluid dynamics was used to investigate the three-dimensional structure of the transverse fuel jet released from an extruded nozzle in a supersonic free stream. The influence of jet type (circular and lobe structure nozzles) and nozzle height was fully explored in this research. The free stream air jet was supersonic (Mach = 4), and the hydrogen jet was injected using various annular nozzles in sonic condition. The results obtained show that the use of an annular circular nozzle is efficient in fuel mixing behind the extruded nozzle. Additionally, fuel mixing improves by approximately 90% when the height of the extruded 3-lobe injector is increased by twice its original length.

Suggested Citation

  • Li, Yaohui & Zhu, Guanghui & Chao, Yanpu & Chen, Liangbin & Alizadeh, As'ad, 2023. "Comparison of the different shapes of extruded annular nozzle on the fuel mixing of the hydrogen jet at supersonic combustion chamber," Energy, Elsevier, vol. 281(C).
    • Handle: RePEc:eee:energy:v:281:y:2023:i:c:s0360544223015360
    DOI: 10.1016/j.energy.2023.128142
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    References listed on IDEAS

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    1. Amin Hassanvand & M. Barzegar Gerdroodbary & Amir Musa Abazari, 2021. "Injection of hydrogen sonic multi-jet on inclined surface at supersonic flow," International Journal of Modern Physics C (IJMPC), World Scientific Publishing Co. Pte. Ltd., vol. 32(03), pages 1-14, March.
    2. Hai, Tao & Hussein Kadir, Dler & Ghanbari, Afshin, 2023. "Modeling the emission characteristics of the hydrogen-enriched natural gas engines by multi-output least-squares support vector regression: Comprehensive statistical and operating analyses," Energy, Elsevier, vol. 276(C).
    3. Li, Zhixiong & Manh, Tran Dinh & Barzegar Gerdroodbary, Mostafa & Nam, Nguyen Dang & Moradi, R. & Babazadeh, Houman, 2020. "The effect of sinusoidal wall on hydrogen jet mixing rate considering supersonic flow," Energy, Elsevier, vol. 193(C).
    4. F. Pish & Tran Dinh Manh & M. Barzegar Gerdroodbary & Nguyen Dang Nam & Rasoul Moradi & Houman Babazadeh, 2020. "Computational study of the cavity flow over sharp nose cone in supersonic flow," International Journal of Modern Physics C (IJMPC), World Scientific Publishing Co. Pte. Ltd., vol. 31(06), pages 1-12, June.
    5. Peng, Yeping & Barzegar Gerdroodbary, M. & Sheikholeslami, M. & Shafee, Ahmad & Babazadeh, Houman & Moradi, R., 2020. "Mixing enhancement of the multi hydrogen fuel jets by the backward step," Energy, Elsevier, vol. 203(C).
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