Jet plume temperature effects on afterbody pressure distribution and drag

Mathur, NB and Yajnik, KS (1985) Jet plume temperature effects on afterbody pressure distribution and drag. In: 7th International Symposium on Air Breathing Engines, 2-6 Sep 1985, Beijing, China.

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Abstract

Experiments have been carried out on an axisymmetric configuration with a circular arc boat tailed afterbody to study the jet plume temperature effects on afterbody pressure distribution and drag. It is found that the jet plume temperature systematically affects afterbody pressure distribution and that the afterbody drag decreases with increasing jet plume temperature. At Mach 0.62 and a jet pressure ratio of 2.9, the afterbody pressure drag coefficient at a jet temperature of 945 K is 30-40 percent less than its value at a jet temperature of 307 K (cold jet).

Item Type: Conference or Workshop Item (Paper)
Uncontrolled Keywords: Drag (hindrance);Stress concentration;Temperature effects; Cold pressing;Coefficients;Circularity;Engines;Afterbodies; Jet exhaust;Flumes;Pressure drag;Temperature effects;International aerodynamics;Jet flow;Pressure distribution;Surface temperature;Wind tunnel tests
Subjects: AERONAUTICS > Aerodynamics
Depositing User: Users 90 not found.
Date Deposited: 11 Mar 2008
Last Modified: 24 May 2010 04:25
URI: http://nal-ir.nal.res.in/id/eprint/4270

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