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  • 标题:Numerical simulations of transverse liquid jet to a supersonic crossflow using a pure two-fluid model
  • 本地全文:下载
  • 作者:Haixu Liu ; Yincheng Guo ; Wenyi Lin
  • 期刊名称:Advances in Mechanical Engineering
  • 印刷版ISSN:1687-8140
  • 电子版ISSN:1687-8140
  • 出版年度:2016
  • 卷号:8
  • 期号:1
  • DOI:10.1177/1687814016629341
  • 语种:English
  • 出版社:Sage Publications Ltd.
  • 摘要:A pure two-fluid model was used for investigating transverse liquid jet to a supersonic crossflow. The well-posedness problem of the droplet phase governing equations was solved by applying an equation of state in the kinetic theory. A k-ε-kp turbulence model was used to simulate the turbulent compressible multiphase flow. Separation of boundary layer in front of the liquid jet was predicted with a separation shock induced. A bow shock was found to interact with the separation shock in the simulation result, and the adjustment of shock structure caused by the interaction described the whipping phenomena. The predicted penetration height showed good agreement with the empirical correlations. In addition, the turbulent kinetic energies of both the gas and droplet phases were presented for comparison, and effects of the jet-to-air momentum flux ratio and droplet diameter on the penetration height were also examined in this work.
  • 关键词:Liquid injection; supersonic crossflow; kinetic theory; penetration height
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