Experimental Study on Variable Displacement Radial Piston Pump Performance: Injection Application in Round Pipe Cross-Flow
Publication: Journal of Hydraulic Engineering
Volume 144, Issue 3
Abstract
An experimental study has been carried out on the injection of a single piston into a confined cross-flow of a round pipe. Five liters per minute have been used for the cross-flow with various values of injection flows. The study concentrates on the performance of the variable displacement radial injection pump (VDRIP) with a single piston driven by a cam action. The displacement action could be divided into three volumetric efficiency zones: high, moderate, and low. The recommended operating zone ranges between 30 and 100% pump displacement, indicating maximum volumetric efficiencies of 95–99.8%, respectively. The results also indicate that increasing the pump displacement enhances the volumetric efficiency while reducing the mechanical efficiency especially at low pressure ranges of up to 4 MPa (40 bar).
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Acknowledgments
Acknowledgments are due to the Deanship of Scientific Research, University of Hail, Saudi Arabia, for funding and supporting this project with code E5-ME 2014 and making it feasible.
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Published In
Journal of Hydraulic Engineering
Volume 144 • Issue 3 • March 2018
Copyright
©2018 American Society of Civil Engineers.
History
Received: Mar 11, 2017
Accepted: Sep 7, 2017
Published online: Jan 5, 2018
Published in print: Mar 1, 2018
Discussion open until: Jun 5, 2018
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