High speed imaging of spherical shock standoff in hypervelocity flows

Zander, F., Jacobs, P. A., Sheikh, U. A. and Morgan, R. G. (2012). High speed imaging of spherical shock standoff in hypervelocity flows. In: P. A. Brandner and B. W. Pearce, Proceedings of the 18th Australasian Fluid Mechanics Conference. 18th Australasian Fluid Mechanics Conference, Launceston, Australia, (). 3-7 December 2012.

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Name Description MIMEType Size Downloads
Author Zander, F.
Jacobs, P. A.
Sheikh, U. A.
Morgan, R. G.
Title of paper High speed imaging of spherical shock standoff in hypervelocity flows
Conference name 18th Australasian Fluid Mechanics Conference
Conference location Launceston, Australia
Conference dates 3-7 December 2012
Proceedings title Proceedings of the 18th Australasian Fluid Mechanics Conference
Journal name Proceedings of the 18th Australasian Fluid Mechanics Conference, AFMC 2012
Place of Publication Hawthorn, Vic., Australia
Publisher Australasian Fluid Mechanics Society
Publication Year 2012
Sub-type Fully published paper
ISBN 9780646583730
Editor P. A. Brandner
B. W. Pearce
Total pages 4
Collection year 2013
Language eng
Formatted Abstract/Summary
Shock standoff distance on blunt bodies is a parameter that is often used for the validation of compressible flow CFD solvers, but there is limited experimental data found in the literature for shock standoff in hypersonic flow above approximately
6.4 km/s. The objective of this work is to extend the experimental data range to include flow speeds of up to 9.6 km/s. One of the difficulties previously encountered is in accurately measuring the shock standoff. In this work the flows were imaged
using a Hypervision HPV-1 high speed camera capable of frame rates up to 1MHz, however, during the test time the stagnation point of the model is no longer clear due to the radiating flow and the location must be estimated using the geometric matching. To fix this limitation, and to improve the resolution of the data, the images are processed using shape detection algorithms to analyse the shock standoff during the test flow.
Q-Index Code E1
Q-Index Status Confirmed Code
Institutional Status UQ

 
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Created: Mon, 11 Mar 2013, 13:00:45 EST by Katie Gollschewski on behalf of School of Mechanical and Mining Engineering