A method of incompressible turbulent boundary-layer analysis based on the D parameter introduced by D. Ross is applied to conical-diffuser flow. The separation conditions are shown to depend on the initial momentum-thickness Reynolds number and a distance parameter involving the initial momentum thickness, the initial radius, and the diffuser length. Comparison with experimental information on diffuser separation indicates that the predictions are reliable, but conservative.
Separation Prediction for Conical Diffusers
James M. Robertson,
James M. Robertson
University of Illinois, Urbana, Ill.
Harvey R. Fraser
USA, U. S. Military Academy, West Point, N. Y.
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Robertson, J. M., and Fraser, H. R. (March 1, 1960). "Separation Prediction for Conical Diffusers." ASME. J. Basic Eng. March 1960; 82(1): 201–207. https://doi.org/10.1115/1.3662524
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