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Enhancement in counterflow drag reduction by supersonic jet in high enthalpy flows

Kulkarni, Vinayak and Reddy, KPJ (2008) Enhancement in counterflow drag reduction by supersonic jet in high enthalpy flows. In: Physics of Fluids, 20 (1). 016103-1-4.

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Abstract

Counterflow drag reduction by supersonic jet for a 60° apex angle blunt cone flying at hypersonic Mach number is investigated for two different flow enthalpies using conventional and free piston driven hypersonic shock tunnels. Enhancement in drag reduction has been observed with increase in freestream stagnation enthalpy. It is shown that the percentage of drag reduction goes up by a factor of 2 when the flow enthalpy increases by a factor of 2.5 for a given ratio of total pressure of supersonic jet and

Item Type: Journal Article
Additional Information: This article belongs to American Institute of Physics
Department/Centre: Division of Mechanical Sciences > Aerospace Engineering (Formerly, Aeronautical Engineering)
Date Deposited: 29 Feb 2008
Last Modified: 19 Sep 2010 04:42
URI: http://eprints.iisc.ernet.in/id/eprint/13144

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