Calculated Design Data for the Multiple-Disk Pump Using Incompressible Fluid

[+] Author and Article Information
M. E. Crawford, W. Rice

Mechanical Engineering Department, Arizona State University, Tempe, Ariz.

J. Eng. Power 96(3), 274-282 (Jul 01, 1974) (9 pages) doi:10.1115/1.3445806 History: Received February 06, 1974; Online July 14, 2010


Earlier analyses of the laminar radically outward flow of Newtonian incompressible fluid between parallel corotating disks have been used to calculate the performance of multiple-disk pumps using such flow passages as the rotor. Such pumps are characterized by certain dimensionless parameters and a large number of computerized calculations have enabled preparation of pump performance maps for pumps idealized as having no losses external to the rotor; these maps show the quantitative dependence of pump efficiency, pressure change and required power on the pump geometry, speed, and on fluid properties. Conventional loss information for the pump entrance and diffuser flows, and conventional bearing, seal, and “disk friction” loss information, must be applied in the design process to provide prediction of actual pump performance and comparison with conventional pumps. The design information is also applicable to low-pressure gas blowers.

Copyright © 1974 by ASME
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