On the basis of analysing and searching the basic principle of determining the fluid flow resistance and the characteristic curves of the centrifugal pump and pipeline, an experiment device of multi-function fluid flow is designed and made. The device can not only determine the fluid flow resistance under the laminar flow and turbulent flow , but also determine the characteristic curves of the pipeline and the centrifugal pump under the different rotational speeds, which saves the making cost ,safeguarding cost of the equipment and the area of the laboratory buildings and increases the training efficiency of students greatly.%在对流体流动阻力及离心泵特性曲线和管路特性曲线测定的基本原理分析研究基础上,自主设计并制作了多功能流体流动实验装置.该实验装置既可进行层流和湍流流型下流体流动阻力的测定,还可以进行不同转速下的离心泵特性曲线和管路特性曲线的测定,从而一方面使设备的制作、维护成本和实验用房面积大大降低,另一方面学生的受训效率大大增加.
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