On the basis of the similarity theory, the local impingement heat transfer coefficient of a single hole impinging on a plate in a limited space was studied with constant heat flux methods.

在相似理论指导下用恒热流方法研究了封闭空间内单孔冲击局部换热系数。

The method to estimate cavitation characteristic by analyzing impingement angle at the groove on porting plate of an axial plunger pump is put forward during design process period.

对柱塞泵设计过程中的空蚀特性，提出一种通过分析减压槽出口处的射流方向来评价高压轴向柱塞空蚀特性的方法；