Volume 36 Issue 7
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WANG Guangcai, WANG Qianpeng, DING Mengyuan, WANG Juan. Reaction kinetic model of n-propylcyclohexane based on HyChem method[J]. Journal of Aerospace Power, 2021, 36(7): 1452-1461. doi: 10.13224/j.cnki.jasp.20200417
Citation: WANG Guangcai, WANG Qianpeng, DING Mengyuan, WANG Juan. Reaction kinetic model of n-propylcyclohexane based on HyChem method[J]. Journal of Aerospace Power, 2021, 36(7): 1452-1461. doi: 10.13224/j.cnki.jasp.20200417
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Reaction kinetic model of n-propylcyclohexane based on HyChem method

doi: 10.13224/j.cnki.jasp.20200417

  • National Key Laboratory of Science and Technology on Aero-Engine Aero-thermodynamics, School of Energy and Power Engineering, Beijing University of Aeronautics and Astronautics, Beijing 100191, China

  • Received Date: 2020-10-06
  • Publish Date: 2021-07-28
    Abstract
  • The kinetic model of n-propylcyclohexane was studied by using the Hybrid Chemistry (HyChem) modeling method. The pyrolysis of the large fuel molecule to form small products was modeled by the seven-step lumped reaction, while the oxidation of the small products was described by the detailed reaction model USC Mech Ⅱ. The HyChem kinetic model of n-propylcyclohexane consisting of 112 species and 791 elementary reactions was constructed by coupling the two sub-mechanisms, and the experimental data of the flow reactor pyrolysis, ignition delay time and laminar flame speed were used to conduct the model validation. The results showed that this reaction mechanism can accurately predict the product distribution during the pyrolysis of n-propylcyclohexane, and it also had good performance in the prediction of the global combustion parameters, the calculation relative error of ignition delay time was 29.7%, and the calculation relative error of laminar flame speed was 11.1%.

     

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