A Calculation of Characteristics of Three-Piston Pumps
Authors: Velikanov N.L., Naumov V.A. | Published: 03.12.2018 |
Published in issue: #11(704)/2018 | |
Category: Energy and Electrical Engineering | Chapter: Hydraulic Machines and Hydropneumatic Units | |
Keywords: three-piston pump, hydraulic and energy characteristics, mains pressure, supplied power |
The refinement of the calculation model for the evaluation of individual hydraulic and energy characteristics of a pumping unit is an important task, since the reliability of forecasting the amount of liquid supplied to a given point depends significantly on the accuracy of determining the characteristics of the pump in the entire range of its operation. In this regard, the authors propose an approach based on the improvement of the algorithm for calculating three-piston pumps of different manufacturers in the framework of the previously developed method of hydraulic calculation of pumping units. The calculation of three-piston pumps SVESSA and TPD-600 is considered as an example. The results of the tests performed by the manufacturer and available in public sources are chosen as the initial data for the calculations. Experimental dependences of the flow, efficiency and supplied power on the outlet pressure of the three-piston pumps 1.3T-10/20 and 1.3T-12.5/16 are presented. Calculations are performed to determine the dependence of efficiency and supplied power on pressure according to the algorithm proposed by the authors. The implementation of the recommendations for evaluating hydraulic and energy characteristics of pumping units can significantly reduce production costs when using three-piston pumps.
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