Publications
125 results found
Heenan AF, Morrison JF, 1996, Passive control of pressure fluctuations generated by separated flow
© 1996 by the American Institute of Aeronautics and Astronautics, Inc. All rights reserved. Measurements of wall-pressure fluctuations have been made in the flow behind a backward-facing step, with a permeable reattachment surface. Different configurations are tried, the most successful producing a reduction in peak rms pressure fluctuations of about 13% and a reduction in drag of about 9%. Spectra show that most of the attenuation occurs at low frequencies, and in particular, the "flapping" frequency (n = 0.1) is effectively removed. The main reason for this appears to be that the permeable surface impedes the upstream convection of disturbances produced at reattachment. Structural modifications to the pressure-fluctuation field appear to be confined to the region upstream of mean reattachment.
Morrison JF, Westbury PS, 1996, Perspectives on wall turbulence: The use of complementary techniques, Experimental Thermal and Fluid Science, Vol: 13, Pages: 211-222, ISSN: 0894-1777
MORRISON JF, SUBRAMANIAN CS, BRADSHAW P, 1992, BURSTS AND THE LAW OF THE WALL IN TURBULENT BOUNDARY-LAYERS, JOURNAL OF FLUID MECHANICS, Vol: 241, Pages: 75-108, ISSN: 0022-1120
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- Citations: 30
MORRISON JF, TSAI HM, BRADSHAW P, 1989, CONDITIONAL-SAMPLING SCHEMES FOR TURBULENT-FLOW, BASED ON THE VARIABLE-INTERVAL TIME AVERAGING (VITA) ALGORITHM, EXPERIMENTS IN FLUIDS, Vol: 7, Pages: 173-189, ISSN: 0723-4864
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- Citations: 14
Morrison JF, Gregory-Smith DG, 1984, Calculation of an axisymmetric turbulent wall jet over a surface of convex curvature, Int. J. Heat and Fluid Flow, Vol: 5, Pages: 139-148, ISSN: 0142-727X
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