按泵设计点轴功率1或1.4倍配备电机，超过匹配功率，请用户在订货时提出。
Motor matched according to 1 or 1.4 power. If motor power exceed, the customer must point out in order.
计算了泵的扬程、轴功率和效率，并与试验进行了对比，验证了计算方法的可行性。
By comparing the calculated water head, shaft power and efficiency with the experimental results, the method was proved to he feasible.
输送水时，叶轮切割后，泵的扬程、轴功率、效率都下降。
When pumping water, the head, shaft power and efficiency of the pump decrease with the reducing in impeller diameter.
研究表明，流量、扬程、轴功率和效率切割指数具体数值都与普通清水离心泵不同。
The results show that the values of the flow rate, head, shaft power and efficiency trim exponents differ from existing trim exponents for normal centrifugal water pumps.
研究表明，排污泵考虑效率和通过能力而进行的加大流量设计导致了轴功率随流量上升过快更容易发生过载这一问题，是可以通过合理的水力设计得到解决的。
The research results in the paper shows that the brake horsepower overload resulting from the design of larger capacity of sewage pump can be solved by reasonable design.
若被输送液体的粘度和密度与水相差较大时，应核算泵的特性参数：流量、压头和轴功率。
If the transport of liquid viscosity and density difference between the larger and water, shall account for the pump parameters: flow, pressure head and shaft power.
由上可见，当泵运送的液体粘度不同时，泵的轴功率也将不同。
Is clear from the viscosity of the fluid delivery when the pump is not the same time, the pump shaft power will be different.
针对农用泵(运行工况多变且出口无流量调节阀)的特点和低比转速离心泵的轴功率在大流量区运行易过载的特性，提出了无过载离心泵的概念。
Based the brake horsepower characteristics of low specific speed centrifugal pump and the required features of pumps used for agriculture, the concept of non - overload centrifugal pumps is conceived.
一方面使泵的效率提高，轴功率降低，另一方面解决了泵的泄漏问题。
On the one hand the efficiency for pumps will rise and axial power was dropped on the other hand has solved leak out of pumps.
由上可见，当泵运送的液体粘度不同时，泵的轴功率也将不同。
By visible, when the pump transporting liquid viscosity is not at the same time, the pump shaft power will also be different.
由上可见，当泵运送的液体粘度不同时，泵的轴功率也将不同。
By visible, when the pump transporting liquid viscosity is not at the same time, the pump shaft power will also be different.
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