An Investigation of Regenerative Blowers and Pumps

[+] Author and Article Information
J. W. Hollenberg

The Cooper Union, New York, N.Y.

J. H. Potter

Steven Institute of Technology, Hoboken, N.J.

J. Eng. Ind 101(2), 147-152 (May 01, 1979) (6 pages) doi:10.1115/1.3439487 History: Received August 22, 1978; Online July 15, 2010


The regenerative turbomachine was investigated as a pressure-increasing device, using both air and water as working fluids. Three machines were involved, representing two geometries. A non-dimensional correlation was developed, relating pressure and flow to driving torque. This was confirmed by experiments, using data from widely separated investigations. This information was used to prepare a study of maximum efficiency as a function of specific speed. A single loss coefficient was found to be the governing parameter.

Copyright © 1979 by ASME
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