The mathematical model of shear stress of Giesekus fluid for an axial annular flow of polymer melt under vibration force field(VFF) is set up.
结果表明:在环形流道中,流体的应力是半径和时间的函数,剪切应力与时间成余弦关系。
This paper discusses the structure type and design features of GTH resistant ring type silencer with the view of ring type flow passage as the deformation of rectangular one.
本文以GJH型阻性环式消声器系列的结构型式和设计特点 ,就阻性环式消声器看作片式消声器通道截面由矩形向圆环形的变形 ,可通过不断增加吸声环数来适用风机各种风量大小的消声 ,并具有更好的流体状态和外形刚性、组装和运输更方便的特
Based on the principle of traveling wave ultrasonic motor and the results of the Finite Element Method analysis, a new kind of ring type traveling wave ultrasonic motor which is the smallest one in the same type in China has been designed and fabricated.
从行波超声波马达的工作原理出发,根据有限元的分析结果,设计并制作了一种目前国内同类马达中尺寸较小的环形行波马达样机,并测试了效率、扭矩、转速等主要性能参
Short-circuit current calculation for naval alternating current loop power network;
舰船交流环形电力网络短路电流计算