Basic research for the development of the viscous micropump

微泵的发展至关重要，因为它关系到微机械的供油系统。在微区，雷诺数极低，利用粘性的方法对旋转泵是有效的。本研究通过实验和数值模拟，明确了转子式粘性微泵的性能特点以及泵内的流态。由此可以理解，转子式粘性微泵的性能曲线是一条负倾斜的直线，其性能特性取决于管道的高度。此外，还考察了雷诺数对流型和泵性能的影响，以确定粘性泵的覆盖范围。结果表明，在本研究条件下，斯托克斯近似可以在雷诺数Re&lt；100范围内得到认可。此外，还设计了一种可变控制门的泵，通过改变流量和管道高度来控制泵的最佳性能，并对其性能进行了测试。

The development of the micro pump is important because it is related to the fuel supply system of the micro-machine. In micro area, the Reynolds number is extremely low, and the method of using the viscosity is effective for the rotation type pump. In this study, the performance characteristic of the rotor type viscous micro-pump and the flow pattern inside the pump were clarified by the experiment and the numerical simulation. Consequently, it has been understood that the performance curve of the rotor type viscous micro-pump is the straight line of a negative inclination and the performance characteristic depends on the height of the duct. In addition, the influence of the Reynolds number on the flow pattern and the pump performance was examined to confirm the coverage of a viscous pump. In this research condition, it was shown that the Stokes approximation can be approved in the Reynolds number Re<100. Furthermore, the pump with a changeable control gate was designed to control the optimum pump performance depending on the flow rate and the height of the duct, and its performance was examined.