B46导轮内流场的研究

The Flow Field Research on B46 Fixed Guide Wheel

本文利用激光多普勒测速仪测试机车起动变矩器B46导轮叶栅内流场的边界条件,应用边界元法对该流场进行计算研究,从而得出变矩器导轮的速度场和进、出口液流角的变化规律。同时,根据测试确定叶栅绕流分离点的位置及脱流区域与速比的关系。在此基础上,分析了一元束流理论与实际流动状态的吻合程度。此外,通过对实际流场的测试验证了程序的正确性。

The flow field boundary condition in locomotive torque converter (B46) fixed guide vanes is obtained by L. D. V., and the stream function (Ψ) and velocity (V) on the field are calculated by the boundary element method. The velocity field, separation point, eddy current range, inlet and outlet stream angle are discussed, showing the feasibility of the method.