The role of two-dimensional roughness element in laminar-turbulent transition near the swept wing le

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【摘要】

：

　　Traditionally the main reason for laminar-turbulent transition on the swept wing is excitation of longitudinal structures by the surface roughness due to th

【作者】

：

S.Tolkachev V.Kozlov V.Kaprilevskaya

【机构】

：

KhristianovichInstituteofTheoreticalandAppliedMechanicsSBRAS,630090,Novosibirsk,Russia

【出处】

：

第14届亚洲显示会议(The 14th Asian Symposium on Visualization)

【发表日期】

：

2017年5期

【关键词】

：

cross-flow instability secondary instability liquid crystal thermography hot-wir

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　　Traditionally the main reason for laminar-turbulent transition on the swept wing is excitation of longitudinal structures by the surface roughness due to the cross-flow instability mechanism [1],which transforms the structure of boundary layer to unstable to high-frequency disturbances.

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The role of two-dimensional roughness element in laminar-turbulent transition near the swept wing le

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