For the static tubular mixer with tube-arrays, semi-uniform and isotropy turbulent flow takes place using the effect of boundary layer in the arrayed tube, which can achieve rapid mixing.

管束列管式静态混合器利用管道边壁的边界层作用，强化形成准均匀各向同性涡旋，实现快速混合。

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Three-dimensional turbulent boundary layer on the ground board is measured through the ground effect tests of a delta wing with aspect ratio 3.

本文通过一个展弦比为3的三角形机翼的地面效应试验，测量了地板上的三元紊流附面层。

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The basic equations of the boundary layer for blade surface flow of arbitrary cyclical surface are established, and the rotating effect for boundary layer separation is analyzed.

建立任意廻转面叶片表面边界层基本方程组，分析边界层分离的旋转效应。

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