Abstract
The micropumps have been used for the micro-machinery and they are needed to the accuracy and stability. The present research investigated the effects of the curved duct geometry on the pressure performance of the viscous micropump using by the rotating cylinder. The experiment and numerical simulation for the micropump with the curved duct were conducted. The experimental and numerical results show that the max pressure rise is increased but the max flow coefficient is somewhat decreased by using the curved duct. The vortex size is decreased by using the curved duct. This indicates that the vortex size is closely related with the pressure performance.
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