喷油头内部流场的数值模拟及其柱塞几何形状的优化

Numerical simulation of flow field inside a nozzle of Stirling Engine and optimization of its plunger shape

本文对热气机喷油头的内部流场进行了数值模拟与研究 ,根据数值研究的结果与实际工程的需要 ,对喷油头内部旋流体柱塞的几何形状进行了优化改进。经实际使用 ,达到了预期的效果。

The flow fields inside a nozzle of Stirling Engine were numerically studied. On the basis of the numerical results, some improvements of the plunger shape of the nozzle were made. The improvements were applied to the actual nozzle and the satisfactory results were achieved.