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Effect of electric arc discharge on hypersonic blunt body drag

Satheesh, K and Jagadeesh, G (2009) Effect of electric arc discharge on hypersonic blunt body drag. In: 26th International Symposium on Shock Waves, JUL 15-20, 2007, Gottingen, Germany, pp. 577-582.

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Official URL: http://www.springerlink.com/content/g2101m842vm580...


Experimental results on the effect of energy deposition using an electric arc discharge, upstream of a 60° half angle blunt cone configuration in a hypersonic flow is reported.Investigations involving drag measurements and high speed schlieren flow visualization have been carried out in hypersonic shock tunnel using air and argon as the test gases; and an unsteady drag reduction of about 50% (maximum reduction) has been observed in the energy deposition experiments done in argon environment. These studies also show that the effect of discharge on the flow field is more pronounced in argon environment as compared to air, which confirms that thermal effects are mainly responsible for flow alteration in presence of the discharge.

Item Type: Conference Paper
Publisher: Springer
Additional Information: Copyright of this conference paper belongs to Springer.
Department/Centre: Division of Mechanical Sciences > Aerospace Engineering(Formerly Aeronautical Engineering)
Date Deposited: 13 Dec 2009 10:33
Last Modified: 13 Dec 2009 10:33
URI: http://eprints.iisc.ac.in/id/eprint/23666

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