Volume 29 Issue 4
Apr.  2014
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ZENG Ping-jun, SUN Shu, HUANG He-xia, DU Mo-chen, CHEN Wei, TAN Hui-jun, LI Guang-sheng. Integrated flow field characteristics of helicopter/particle separator: Part 1 influence of advance ratio[J]. Journal of Aerospace Power, 2014, 29(4): 858-866. doi: 10.13224/j.cnki.jasp.2014.04.016
Citation: ZENG Ping-jun, SUN Shu, HUANG He-xia, DU Mo-chen, CHEN Wei, TAN Hui-jun, LI Guang-sheng. Integrated flow field characteristics of helicopter/particle separator: Part 1 influence of advance ratio[J]. Journal of Aerospace Power, 2014, 29(4): 858-866. doi: 10.13224/j.cnki.jasp.2014.04.016

Integrated flow field characteristics of helicopter/particle separator: Part 1 influence of advance ratio

doi: 10.13224/j.cnki.jasp.2014.04.016
  • Received Date: 2013-02-22
  • Publish Date: 2014-04-28
  • Integrated flow field characteristics of helicopter/particle separator of typical layout were studied by simulation method.Firstly,the validity of the numerical method used was verified by experimental data.Then,the integral particle separator was installed onto helicopter like “Apache”,then a typical layout scheme of helicopter/particle separator was formed,and the integrated flow field characteristics in different advance ratios were analyzed.The study results show that under the condition of higher advance ratio,a complex three-dimensional flow separation appears in the gear box upstream the entrance of the integral particle separator.That is to say,the particle separator operates under the condition of nonuniform freestream.Moreover,compared with the independent particle separator,the total pressure loss of the particle separator under integrated condition at the mainstream exit and the scavenge exit both increased by 1% and 8%, respectively.

     

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