Effectiveness of passive devices for axisymmetric base drag13; reduction at mach 2

Viswanath, PR and Patil, SR (1990) Effectiveness of passive devices for axisymmetric base drag13; reduction at mach 2. Journal of Spacecraft and Rockets, 27 (3). pp. 234-237.

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Abstract

Experiments have been made to assessthe effectiveness of passive devices for reducing base and total afterbody drag at Mach 2. The devices examined ir.dude primarily base cavities and ventilated cavities. Results show that ventilated cavities offer significant base-drag reduction and net-drag reduction of engineering value. A correlation of base- and net-drag reduction for ventilated cavities has been suggested. Typical effects of these devices on boat-tailed and flared bases have also been assessed.

Item Type: Article
Additional Information: Copyright for this article belongs to AIAA
Uncontrolled Keywords: Passive devices;Axisymmetric;Base drag reduction;Ventilated cavities
Subjects: AERONAUTICS > Aeronautics (General)
Depositing User: Users 90 not found.
Date Deposited: 03 Mar 2010
Last Modified: 24 May 2010 04:21
URI: http://nal-ir.nal.res.in/id/eprint/2899

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