Rarefied, Superorbital Flows in an Expansion Tube

Wheatley, Vincent, Chiu, Sam Hsieh-Hsiang, Jacobs, Peter A., Macrossan, Michael N., Mee, David J. and Morgan, Richard G. (2004) Rarefied, Superorbital Flows in an Expansion Tube. International Journal for Numerical Methods for Heat and Fluid Flow, 14 4: 512-537. doi:10.1108/09615530410532277

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Author Wheatley, Vincent
Chiu, Sam Hsieh-Hsiang
Jacobs, Peter A.
Macrossan, Michael N.
Mee, David J.
Morgan, Richard G.
Title Rarefied, Superorbital Flows in an Expansion Tube
Journal name International Journal for Numerical Methods for Heat and Fluid Flow   Check publisher's open access policy
ISSN 0961-5539
Publication date 2004-01-01
Sub-type Article (original research)
DOI 10.1108/09615530410532277
Open Access Status File (Author Post-print)
Volume 14
Issue 4
Start page 512
End page 537
Total pages 26
Editor M. A. Keavey
R. W. Lewis
J. I. Ramos
Place of publication United Kingdom
Publisher Emerald Group Publishing Limited
Collection year 2004
Language eng
Subject 240502 Fluid Physics
290207 Satellite, Space Vehicle and Missile Design
Abstract A free-piston driven expansion tube [X1 at the Centre for Hypersonics, University of Queensland] and its instrumentation is described. The facility was used to generate rarefied flows at speeds of approximately 10 km/s. Although the flow in the tube itself was in the continuum regime, rarefied flow conditions were achieved by allowing the flow at the exit of the expansion tube to expand as a free jet into the dump-tank test section. The flows were surveyed using bar-gauge pressure transducers; further flow details were obtained via numerical simulation. There was good agreement between most of the experimental data and the simulation results; however, some of the simulation results, such as shock speed, should be better estimated using a nonequilibrium thermochemical model. The test section flows were reasonably uniform and could be used to test small aerodynamic models at superorbital speeds thus providing data that is suitable for the calibration of Direct Simulation Monte Carlo codes.
Keyword re-entry flow
rarefied flow
high energy flow
test facility
expansion tube
superorbital flow
computational modelling
testing DSMC
Q-Index Code C1
Additional Notes The experimental work was supported by Australian Research Council Grant 97/ARCL99. The computer time was provided by the High Performance Computing Unit at The University of Queensland.

 
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Created: Wed, 23 Feb 2005, 10:00:00 EST by Michael N Macrossan on behalf of School of Engineering