对准三元理论S_2流面求解的基本方程的分析

Analyses on Basic Equation of S_2 Flow Surface Calculating in 3-D Theories

流体质点运动微分方程是以准三元理论计算叶片机械流面相对速度分布的基础性方程 ,这一方程有两个差异较大的形式。文中详尽分析了这一基础方程不同形式的特点和它们各自的物理意义的区别 ,为发展 S2 流面的计算与求解提供了更准确的基础。

The fluid differential equations is theoretical basis for calculating the relative speed on S 2 flow surface in 3-D analyses. There exist two different formulations of this basic equation. The author of this paper analyzed the specifics and the difference between the terms in the two formulations, aiming at establishing a more exact base to develop calculating theories related to S 2 flow surface.