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运输机翼型结冰的计算和实验

易贤 桂业伟 朱国林 杜雁霞

易贤, 桂业伟, 朱国林, 杜雁霞. 运输机翼型结冰的计算和实验[J]. 航空动力学报, 2011, 26(4): 808-813.
引用本文: 易贤, 桂业伟, 朱国林, 杜雁霞. 运输机翼型结冰的计算和实验[J]. 航空动力学报, 2011, 26(4): 808-813.
YI Xian, GUI Ye-wei, ZHU Guo-lin, DU Yan-xia. Experimental and computational investigation into ice accretion on airfoil of a transport aircraft[J]. Journal of Aerospace Power, 2011, 26(4): 808-813.
Citation: YI Xian, GUI Ye-wei, ZHU Guo-lin, DU Yan-xia. Experimental and computational investigation into ice accretion on airfoil of a transport aircraft[J]. Journal of Aerospace Power, 2011, 26(4): 808-813.

运输机翼型结冰的计算和实验

基金项目: 国家自然科学基金(10672174,10772191); 国家重点基础研究发展计划(2009CB723802)

Experimental and computational investigation into ice accretion on airfoil of a transport aircraft

  • 摘要: 采用数值计算和结冰风洞实验相结合的手段,对某运输机机翼剖面缩比翼型的结冰特性进行了研究.结冰实验在气动中心0.3m×0.2m结冰风洞中进行,实验模型为弦长0.18m的层流翼型.翼型的绕流流场通过求解低速黏流的时均Navier-Stokes(N-S)方程得到,采用拉格朗日法计算水滴撞击特性,在此基础上,求解结冰热力学模型,获得结冰外形.对计算和实验结果进行了对比分析,发现虽然局部冰形轮廓还存在差异,但计算和实验得到的冰形在结冰极限、冰形体积和主要特征等方面基本一致.研究显示:在结冰的初始阶段,翼型前缘的冰形较规则,随着结冰时间的增加,冰形逐渐变得不规则;翼型下表面冰体前部为明冰,冰体后部、尤其是结冰极限附近则呈现典型的霜冰特征;翼型上表面的结冰范围远小于下表面,在结冰极限附近也不再有明显的霜冰.

     

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出版历程
  • 收稿日期:  2010-03-28
  • 修回日期:  2010-06-17
  • 刊出日期:  2011-04-28

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