The CFD is used to simulate the fluid fields of three kinds of distribution pairs.The simulation results show the real flow state well, therefore a new kind of method is found out to optimize the HT.

• 采用CFD对液压变压器内部三种配流副的流场进行了仿真，仿真结果较好地反映出液压变压器内部流场地变化情况，从而为液压变压器优化设计探索了一种的新途径。