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Position: Home > Articles > Axial Force Caculation Method of Hydrodynamic Coupling Transactions of the Chinese Society for Agricultural Machinery 2014,45 (2) 40-46

液力偶合器轴向力计算方法

作  者:
孙波;马文星;李永泽;吕英军
单  位:
吉林大学机械科学与工程学院;空军航空大学航空机械工程系
关键词:
液力偶合器;轴向力;计算方法;流体动力学
摘  要:
提出了一种基于计算流体动力学(CFD)计算液力偶合器轴向力的方法。通过获得偶合器内三维、两相流动流场的数值解进行轴向力计算。对在制动工况、牵引工况和额定工况下不同充液率时调速型偶合器工作腔的流场进行了分析,并获得轴向力的变化规律。对不同充液率下偶合器轴向力进行了试验测试,计算结果与试验值对比,平均误差为8%,验证了该计算方法是有效可行的。
译  名:
Axial Force Caculation Method of Hydrodynamic Coupling
作  者:
Sun Bo;Ma Wenxing;Li Yongze;Lü Yingjun;Department of Aviation Mechanical Engineering,Aviation Univercity of Air Force;College of Mechanical Science and Engineering,Jilin University;
关键词:
Hydrodynamic coupling Axial force Calculation method Fluid dynamics
摘  要:
A method is proposed based on CFD to calculate axial force of hydrodynamic coupling. By using the numerical solutions of hydrodynamic coupling inner flow field, which is unsteady, incompressible and viscous two-phase flow,the axial force is calculated. The flow field in working chamber of variable speed hydrodynamic coupling is analyzed in different filling rates under breaking condition,traction condition and rated condition,and the variation low of axial force is obtained. Axial force is measured by experiments in variable speed of high-power hydrodynamic coupling. The comparison of the calculating results with the experimental ones shows that the mean error is 8%,and the calculation method based on CFD is feasible.

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