The 3 D incompressible N S equations with momentum source terms are solved to simulate the flow fields of coaxial rotor configurations.
通过数值求解带有动量源项的三维不可压缩N-S方程，模拟了共轴式双旋翼的流动。
2
This paper presents a brief description of rotor type oxidation ditch, it' s design criteria, general layout and experience in engineering design.
本文叙述转刷型氧化沟简况、设计参数、布置方法及工程设计中点滴经验。
3
Through analyzing the motion and dynamics of free yarn segment (F. Y. s) in rotor spinning, the effect of both the F. Y. s's shape and the spinning parameters on twist distribution of the f.