Dynamic force balances for short-duration hypersonic testing facilities

Dynamic force balances for short-duration hypersonic testing facilities Two force balance techniques for use in hypersonic impulse facilities are compared by measuring the drag force on a 30° semi-apex-angle blunt cone model in a hypersonic shock tunnel at a free stream Mach number of 5.75. An accelerometer-based balance and a stress-wave force balance were tested simultaneously on the same model to measure the drag force. It was found that drag force measurements could be made using both techniques in a flow with a 450-μs test period. The measured drag forces compared well with the theoretical values estimated using Newtonian theory. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Experiments in Fluids Springer Journals

Dynamic force balances for short-duration hypersonic testing facilities

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Publisher
Springer Journals
Copyright
Copyright © 2005 by Springer-Verlag
Subject
Engineering
ISSN
0723-4864
eISSN
1432-1114
D.O.I.
10.1007/s00348-005-0932-5
Publisher site
See Article on Publisher Site

Abstract

Two force balance techniques for use in hypersonic impulse facilities are compared by measuring the drag force on a 30° semi-apex-angle blunt cone model in a hypersonic shock tunnel at a free stream Mach number of 5.75. An accelerometer-based balance and a stress-wave force balance were tested simultaneously on the same model to measure the drag force. It was found that drag force measurements could be made using both techniques in a flow with a 450-μs test period. The measured drag forces compared well with the theoretical values estimated using Newtonian theory.

Journal

Experiments in FluidsSpringer Journals

Published: Mar 22, 2005

References

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