prandtl boundary layer meaning in English

普朗特边界层

This paper has established a class of mathematics model about prandtl boundary layer problem . compare to navier - stokes equation , prandtl boundary layer equation has important simplicity and easier
普朗特边界层方程和纳维? ?斯托克斯方程相比，有了重大的简化。
Actually , n - s equation has three unknown functions u , v , p and three equations , now prandtl boundary layer equation has two unknown functions w , vand two equations only , and viscosity terms has partly reduced
原来有三个未知函u ， v ， p及三个方程，现在只有两个未知函数u ， v及两个方程，且粘性项也少了一些，这些都是简化的地方。