Method for determining dynamic loads on pumping plant units

A method to determine the amplitude-frequency characteristics of hydrodynamic loadings, affecting the elements of flow-through part of low-pressure pumping plants is developed. Statistical characteristics of the loadings are obtained in the process of complex laboratory hydrodynamic studies of the pumping plant module model. Analysis of the investigation results permitted to ascertain that in case of the pump operation under various modes the maximum amplitudes of hydrodynamic pressure pulsations appear in different points of the flow-through part