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螺旋桨滑流对发动机进气道气动性能的影响

周诗睿 李博 周杨 张振臻

周诗睿, 李博, 周杨, 张振臻. 螺旋桨滑流对发动机进气道气动性能的影响[J]. 航空动力学报, 2019, 34(6): 1322-1333. doi: 10.13224/j.cnki.jasp.2019.06.015
引用本文: 周诗睿, 李博, 周杨, 张振臻. 螺旋桨滑流对发动机进气道气动性能的影响[J]. 航空动力学报, 2019, 34(6): 1322-1333. doi: 10.13224/j.cnki.jasp.2019.06.015
Aerodynamic performance influence of propeller slipstreamon engine intake[J]. Journal of Aerospace Power, 2019, 34(6): 1322-1333. doi: 10.13224/j.cnki.jasp.2019.06.015
Citation: Aerodynamic performance influence of propeller slipstreamon engine intake[J]. Journal of Aerospace Power, 2019, 34(6): 1322-1333. doi: 10.13224/j.cnki.jasp.2019.06.015

螺旋桨滑流对发动机进气道气动性能的影响

doi: 10.13224/j.cnki.jasp.2019.06.015
基金项目: 航空学科基金(2013ZB52031)

Aerodynamic performance influence of propeller slipstreamon engine intake

  • 摘要: 针对螺旋桨/短舱/进气道一体化构型,采用多重参考系(MRF)法和滑移网格非定常法进行了数值模拟研究,实现了螺旋桨/短舱/进气道一体化内外流耦合流场仿真,研究了不同工况下螺旋桨滑流对进气道气动性能的影响,并与无桨构型的进气道性能进行了对比,最后通过数值分析解释了螺旋桨桨盘后总压上升的原因。结果表明:多重参考系法和滑移网格非定常法对进气道出口的时均参数的计算结果吻合较好,多重参考系法可用于螺旋桨及进气道的气动性能参数计算;螺旋桨做功使进气道总压恢复系数增高,螺旋桨转速越大,总压恢复系数的增量就越大,且螺旋桨滑流使进气道出口畸变指数明显增大;通过数值分析推导的桨盘前后总压关系公式与仿真结果的误差均在3%以内。

     

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出版历程
  • 收稿日期:  2018-10-31
  • 刊出日期:  2019-06-28

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