Secondary instability control of compressible flow by suction for a swept wing

Secondary instability control of compressible flow by suction for a swept wing
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后掠翼可压缩流吸力二次失稳控制

DOI:
10.1007/s11433-011-4487-6
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发表时间:
2011-09
期刊:
Science China Physics,Mechanics & Astonomy
影响因子:
--
通讯作者:
Fu Song
Fu Song
中科院分区:
其他
文献类型:
--
作者:
Xu Guoliang;Xiaozhixiang;Fu Song

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三维边界层的横流不稳定性是影响后掠翼转捩的主要因素。饱和横流涡影响下的三维边界层流动对高频扰动非常敏感,预示着后掠翼流动将发生转捩。采用非线性抛物化稳定性方程(NPSE)研究了后掠机翼可压缩绕流的主不稳定性。应用Floquet理论分析了定常吸力对横流涡二次不稳定性的影响。结果表明,抽吸能显著抑制横流模态和二次失稳模态的增长。
The crossflow instability of a three-dimensional boundary layer is a main factor affecting the transition around the swept-wing. The three-dimensional boundary layer flow affected by the saturated crossflow vortex is very sensitive to the high frequency disturbances, which foreshadows that the swept wing flow transition will happen. The primary instability of the compressible flow over a swept wing is investigated with nonlinear parabolized stability equations (NPSE). The Floquet theory is then applied to the analysis of the influence of localized steady suction on the secondary instability of crossflow vortex. The results show that suction can significantly suppress the growth of the crossflow mode as well as the secondary instability modes.
DOI: 10.1146/annurev.fluid.29.1.245
发表时间: 1994-04
影响因子: 27.7
作者:
T. Herbert
通讯作者: T. Herbert
DOI: 10.1063/1.864226
发表时间: 1983-04
期刊: Physics of Fluids
影响因子: 4.6
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DOI: 10.1007/978-94-009-1700-2_24
发表时间: 1996
期刊: --
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发表时间: 1997-06
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作者:
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