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TECHNICAL BRIEFS

Passive Boundary Layer Control With Slots in Short Diffusers

[+] Author and Article Information
S. Raghunathan, R. K. Cooper

School of Aeronautical Engineering, Queen’s University, Belfast, United Kingdom s.raghunathan@qub.ac.uk

J. Fluids Eng 122(1), 177-179 (Sep 07, 1999) (3 pages) doi:10.1115/1.483246 History: Received October 05, 1998; Revised September 07, 1999
Copyright © 2000 by ASME
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References

Kline,  S. J., 1959, “On the Nature of the Stall,” ASME J. Basic Eng., 81, p. 305.
Kline,  S. J., Abbott,  D. E., and Fox,  R. W., 1959, “Optimum Design of Straight Walled Diffusers,” ASME J. Basic Eng., 81, pp. 321–331.
Waitman, B. A., Reneau, L. B., and Kline, S. J., 1961, “Effect of Inlet Conditions on the Performance Diffusers,” ASME J. Basic Eng., 83 .
Holzhauser, C. A., and Hall, L. P., 1956, “Explanatory Investigation of the Use of Area Suction to Eliminate Airflow Separation in Diffusers Having Large Expansion Angles,” NACA TN 3793.
Raghunathan,  S., McIlwain,  S. T., and Mabey,  D. G., 1991, “Wide Angle Diffusers with Passive Boundary-Layer Control,” Aeronaut. J., 95, No. 941, pp. 28–34.
Wong,  H. M., and Dowling,  A. P., 1994, “Active Boundary Layer Controls in Diffusers,” AIAA J., 32, No. 12, pp. 2409–2413.
Raghunathan,  S., 1988, “Passive Control of Shock Waves Boundary Layer Interaction,” Prog. Aeronaut. Sci., 25, pp. 271–296.
Mabey, D. G., 1978, “Prediction of Severity of Buffeting,” AGARD-LS-94, pp. 7.1–7.30.
Smith,  C. R., and Layne,  J. L., 1979, “An Experimental Investigation of Flow Unsteadiness Generated by Transitory Stall in Plane Wall Diffuser,” ASME J. Fluids Eng., 101, p. 181.

Figures

Grahic Jump Location
Pressure fluctuations at x/I=0.9
Grahic Jump Location
Typical spectra of pressure fluctuations
Grahic Jump Location
Variation of overall pressure recovery with diffuser angle for various slot configurations
Grahic Jump Location
Diffuser slot arrangements

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