Heating enhancement caused by a transverse control jet in hypersonic flow |
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| Authors: | G.T. Roberts P.H. Schuricht N.R. Mudford |
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| Affiliation: | (1) Department of Aeronautics and Astronautics, University of Southampton, Hants SO17 1BJ, UK E-mail: gtr@soton.ac.uk , GB;(2) School of Aerospace and Mechanical Engineering, University College, University of New South Wales, Australian Defence Force Academy, Canberra ACT 2600, Australia , AU |
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| Abstract: | Experiments are reported in which the heat flux distribution near a single circular, sonic transverse jet on a flat plate exposed to a hypersonic (Mach 6.7) freestream flow was quantitatively measured using thermochromic liquid crystals. The freestream conditions were such that the boundary layer growth on the plate ahead of the jet was laminar. The results indicate that the interaction of the jet with the freestream flow created a complex flowfield with regions of separation and reattachment which caused localised enhancements to the heat flux upstream and to the side of the jet, the magnitudes of which were sensitive to both jet plenum pressure and jet gas composition. Received 28 August 1996 / Accepted 6 June 1997 |
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| Keywords: | :Transverse jet Interference heating Hypersonic flow |
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