Abstract
By the example of a centrifugal pump with an upstream screw, the possibilities of using hydrodynamic modeling for constructing a cavitation characteristic of a screw centrifugal pump are shown. An example is given of how the cavitation characteristic of a screw centrifugal pump was obtained on the basis of a simplified model of the Rayleigh-Plesset model. It illustrates and shows how the pump characteristic changes with varying empirical coefficients. According to the results of the study, conclusions were made that in the future will allow to improve the calculation of such pumps and to obtain more accurate calculation results.
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