小流量模型级扩压器对性能影响的研究

Research on the Effect of Performance by Diffuser of Small Flow Model Stage

通过对模型级内部的三维粘性流动进行数值模拟,用数值试验的方法研究扩压器的不同设计对模型级性能的影响;对模型级的变工况性能进行了计算分析和比较,确保了新设计方案的工程可行性。

This paper describes numerical simulation to 3-D viscous flow of internal model stage,and studies different design of diffuser to the effect of model stage performance using the method of numerical experiment,and calculates and analyzes changeful condition performance of model stage.Thus it ensures the feasibility of new design project.