Abstract

In some cases, combined use of a few centrifugal pumps can be seen frequently. In some working conditions, some of them may work under abnormal mode (take turbine mode for example). So it is needed to know the characteristics of pumps under the modes. One way to obtain the characteristics is test. In this paper, a nonlinear mathematical model is presented to describe the characteristics. The solution to the model is performed by a specialized particle swarm algorithm. A numerical example shows good agreement between model curves and pump test data.

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