NDLI: Steady energy deposition at Mach 5 for drag reduction

Content Provider	Springer Nature Link
Author	Erdem, E. Kontis, K. Yang, L.
Copyright Year	2012
Abstract	Experiments addressing the effect of energy deposition via arc discharge on $$15^\circ $$ half angle-truncated cone-cylinder configurations at Mach 5 flow were carried out. The arc discharge was accomplished using a setup that consisted of a power supply, a high voltage unit and tungsten electrodes. Discharge-on tests were compared to discharge-off tests to evaluate the net effect of the energy deposition. Flow visualisation revealed the presence of a heated wake downstream of the energy spot. Compression waves were observed on top of the wake of the heated channel, which were oscillatory in nature. The deposited energy of 7 W shows a repeatable influence on the measured drag force for all the models at close arc-to-nose distances.
Starting Page	285
Ending Page	298
Page Count	14
File Format	PDF
ISSN	09381287
Journal	Shock Waves
Volume Number	23
Issue Number	4
e-ISSN	14322153
Language	English
Publisher	Springer-Verlag
Publisher Date	2012-08-24
Publisher Place	Berlin, Heidelberg
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Hypersonic flows Measurements Vortex dynamics Engineering Thermodynamics, Heat and Mass Transfer Fluid- and Aerodynamics Engineering Fluid Dynamics Thermodynamics Acoustics Condensed Matter Physics
Content Type	Text
Resource Type	Article
Subject	Physics and Astronomy Mechanical Engineering

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Steady energy deposition at Mach 5 for drag reduction