Induced Flow Reciprocating Pump Theory Supported by New Performance Data

[+] Author and Article Information
J. D. Burton

Department of Mechanical Engineering, La Universidad de Los Andes, Bogotá, Colombia, Suramérica

J. Lobo-Guerrero U.

Uniandes; Department of Mechanical Engineering, Southampton University, Southampton, England

J. Basic Eng 94(4), 706-714 (Dec 01, 1972) (9 pages) doi:10.1115/1.3425531 History: Received December 27, 1971; Online October 27, 2010


Reciprocating pumps have been employed in conjunction with air vessels and fluid accumulators for a long time in order to reduce maximum cylinder pressures and energy wastage in friction. More recently, diaphragm pumps, run at high speed, have been built utilizing a hydraulic accumulator or capacitance in conjunction with a hydraulic inductance, in order to greatly increase the flow output. Volumetric efficiencies of over 250 percent have been obtained. The present paper describes briefly this induced flow principle and then compares theoretical solutions with experimental measurements taken in the first commercially available pump of this type.

Copyright © 1972 by ASME
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