叶片流道 meaning in English

blade passage

Based on the hydrodynamic , by using momentum theory to the liquid in the flow channel , the computational formula of the air exciting - vibration force is acquired . by using four - step runge - kutta method , the periodic response results of the elastic rotor system with one single - disc are gained . then the dynamic characteristics of the rotor system at the certain rotate speed and the certain physic parameter of system are analyzed by using the phase spaces and poincare maps of this system
基于流体动力学,通过对叶片流道内的流体模型应用动量定理,得到此汽流激振力模型,并采用四阶龙格库塔法,得出了单盘弹性转子系统的周期响应规律,然后根据系统的相轨迹及poincare映射图,分析了系统在特定转速及特定的转子系统参数下的运动特征。