Fluid Mechanical Considerations in the Design of an Improved Aerator

[+] Author and Article Information
V. Ramanathan

Wenck Associates Inc., 1800 Pioneer Creek Center, P.O. Box 428, Maple Plain, MN 55359-0428

Roger E. A. Arndt

St. Anthony Falls Laboratory, University of Minnesota, Minneapolis, MN 55414

J. Fluids Eng 118(4), 736-742 (Dec 01, 1996) (7 pages) doi:10.1115/1.2835503 History: Received August 10, 1995; Revised September 06, 1996; Online January 22, 2008


An efficient diffused aeration device was developed using the “air lift” principle. With the aid of theoretical analysis and experimentation over a wide range of geometrical parameters, simple empirical correlations were developed that accurately predict water velocity and void fraction.

Copyright © 1996 by The American Society of Mechanical Engineers
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