Performance of Low-Aspect-Ratio Diffusers With Fully Developed Turbulent Inlet Flows: Part II—Development and Application of a Performance Prediction Method

[+] Author and Article Information
O. J. McMillan, J. P. Johnston

Department of Mechanical Engineering, Stanford University, Stanford, Calif.

J. Fluids Eng 95(3), 393-400 (Sep 01, 1973) (8 pages) doi:10.1115/1.3447042 History: Received March 08, 1973; Online October 12, 2010


An analytical method of the integral type is developed to allow prediction of performance in unstalled, straight, two-dimensional rectangular diffusers of aspect ratio less than approximately 0.5. The inlet flow is fully developed and turbulent. The results predicted by this method compare favorably to the data of Part I and to other relevant cases. The method has been applied to extrapolate performance trends to a relatively wide range of related, but untested, geometries and conditions.

Copyright © 1973 by ASME
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