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Journal of Mathematical Chemistry

, Volume 56, Issue 8, pp 2496–2511 | Cite as

Skeletal and reduced chemical mechanism for hydrogen fluoride chemical laser

  • Hui Li
  • Shuqin Jia
  • Tianliang Zhao
  • Ying Huai
Original Paper

Abstract

The chemical kinetics of supersonic hydrogen fluoride (HF) chemical lasers determines combustion characteristics and output power. However, the inherent complexity of chemical reactions and complex structure still challenge the numerical simulations involving a comprehensive chemical mechanism. Therefore, a high fidelity and low computational consuming model is important for design purpose. This paper presents a strategy to generate a reduced mechanism for HF chemical lasers. Based on a detailed HF chemical mechanism consisting of 16 species and 153 elementary reactions, a specific skeletal mechanism including 11 species and 58 elementary reactions is generated. Finally, we obtain a further reduction mechanism including 11 species and 39 elementary reactions by combining sensitivity analysis and rate of production analysis. The computational cost for simulation of supersonic HF chemical lasers with the reduced mechanism is less than that with the detailed model. The principal contribution of the work is to provide a low computational consuming model.

Keywords

Chemical laser SA DRG Reduced mechanism Rate of production 

Notes

Acknowledgements

This work was supported by the National Natural Science Foundation of China under Grant No. 21573218.

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Copyright information

© Springer International Publishing AG, part of Springer Nature 2018

Authors and Affiliations

  • Hui Li
    • 1
    • 2
  • Shuqin Jia
    • 1
  • Tianliang Zhao
    • 1
  • Ying Huai
    • 1
  1. 1.Key Laboratory of Chemical Lasers, Dalian Institute of Chemical PhysicsChinese Academy of SciencesDalianChina
  2. 2.University of Chinese Academy of SciencesBeijingChina

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