unsteady flow pumping test 非稳定流抽水试验
In this paper, a study on the variable discharge unsteady flow pumping test data is made using a linear system method.
本文用线性系统方法研究了变流量非稳定流抽水试验资料。
Change in viscosity of test fluids alters principally pumping flow of impeller and therefore influences bulk mixing.
当物系为中等粘度假塑性流体时,混合速率由桨叶泵送流动的流量和形态所决定;
The test method of pressure loss, flow loss and frictional force loss etc. of the hydraulic pumping units is presented, from which the mechanical efficiency and volumetric efficiency are obtained.
给出了测取液压抽油机系统压力损失、流量损失以及油缸的摩擦力损失等的方法,并由此求出系统的机械效率与容积效率。
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