数值结果表明：1）在微泵扩散管的过流截面上流速有时间相位差和回流现象。

The numerical results indicate that 1) Phase differences in time of flow velocities and backflows occur across section of diffuser connecting to pump chamber;

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还给出微泵流量与扩散管长宽比、厚宽比、液体粘度和进出口反压差的定量关系。

Quantitative relations of the pump flow rate versus the ratio of diffuser length to width, the ratio of diffuser thickness to width, fluid viscosity and backpressure were also given.

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该方法对改进离心泵弯曲形扩散管的设计方法和提高其设计质量具有重要的意义。

The method is proved to be significant for improving the design method and enhancing design quality of the bend-shaped diffuser.

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