Journal of Thermal Science

, Volume 29, Issue 1, pp 52–57 | Cite as

Study on the Effects of Dome Fuel Distribution Ratio on Lean Blowout of a Model Combustor

  • Xiaoming Shen
  • Yixiang YuanEmail author
  • Detang Zeng
  • Pengfu Xie
  • Chunqing Tan


The experimental studies and numerical simulation were conducted on the effects of the dome fuel distribution ratio on the lean blowout of a model combustor. The experimental results indicate that as the key parameter, the dome fuel distribution ratio, increases from 2.06% to 16.67%, the lean blowout equivalence ratio declines obviously at the beginning, and then the decrease slows down, in addition, the amplitude of the pressure fluctuation in the combustor reduces significantly while the dominant frequency keeps basically constant. In order to analyze the experimental results, the numerical simulation is adopted. The temperature and local equivalence ratio distributions are employed to explain the reason why the lean blowout performance improves with the increase of the dome fuel distribution ratio.


combustor dome fuel distribution ratio lean blowout pressure fluctuation 


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The authors gratefully acknowledge the support of the National Natural Science Foundation of China (No. 50876104 and 51676182).


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Copyright information

© Science Press, Institute of Engineering Thermophysics, CAS and Springer-Verlag GmbH Germany, part of Springer Nature 2019

Authors and Affiliations

  • Xiaoming Shen
    • 1
    • 2
  • Yixiang Yuan
    • 1
    • 2
    Email author
  • Detang Zeng
    • 1
  • Pengfu Xie
    • 1
  • Chunqing Tan
    • 1
    • 2
  1. 1.Institute of Engineering ThermophysicsChinese Academy of SciencesBeijingChina
  2. 2.University of Chinese Academy of SciencesBeijingChina

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