流向涡管存在拉伸和变形。

Longitudinal vortices have stretch and deformation.

youdao

给出了转捩边界层中流向涡产生的物理过程。

The process for the formation of the streamwise vortex in a transitional boundary layer is described.

youdao

细涡丝在涡辫区的三维演化形成趋向流场最大拉伸变形方向的流向涡结构。

The thin vortex filament deforms three-dimensionally in the braid and generates stream-wise vortex structures which incline to the region maximum deformation direction of the flow field.

youdao