Heat transfer measurements on the first experimental layer of the FIRE II reentry vehicle in expansion tubes

Capra, B. R., Leyland, P. and Morgan, R. G. (2005). Heat transfer measurements on the first experimental layer of the FIRE II reentry vehicle in expansion tubes. In: Proceedings of the 5th European Symposium on Aerothermodynamics for Space Vehicles. 5th European Symposium on Aerothermodynamics for Space Vehicles, Cologne, Germany, (243-248). 8-11 November 2004.

Author Capra, B. R.
Leyland, P.
Morgan, R. G.
Title of paper Heat transfer measurements on the first experimental layer of the FIRE II reentry vehicle in expansion tubes
Conference name 5th European Symposium on Aerothermodynamics for Space Vehicles
Conference location Cologne, Germany
Conference dates 8-11 November 2004
Proceedings title Proceedings of the 5th European Symposium on Aerothermodynamics for Space Vehicles   Check publisher's open access policy
Journal name ESA - SP   Check publisher's open access policy
Place of Publication The Nethelands
Publisher ESA Publications
Publication Year 2005
Sub-type Fully published paper
ISSN 0379-6566
1609-042X
1609-0438
Issue SP-563
Start page 243
End page 248
Total pages 6
Language eng
Abstract/Summary The present study focused on simulating a trajectory point towards the end of the first experimental heatshield of the FIRE II vehicle, at a total flight time of 1639.53s. Scale replicas were sized according to binary scaling and instrumented with thermocouples for testing in the X1 expansion tube, located at The University of Queensland. Correlation of flight to experimental data was achieved through the separation, and independent treatment of the heat modes. Preliminary investigation indicates that the absolute value of radiant surface flux is conserved between two binary scaled models, whereas convective heat transfer increases with the length scale. This difference in the scaling techniques result in the overall contribution of radiative heat transfer diminishing to less than 1% in expansion tubes from a flight value of approximately 9-17%. From empirical correlation's it has been shown that the St √Re number decreases, under special circumstances, in expansion tubes by the percentage radiation present on the flight vehicle. Results obtained in this study give a strong indication that the relative radiative heat transfer contribution in the expansion tube tests is less than that in flight, supporting the analysis that the absolute value remains constant with binary scaling.
Q-Index Code E1
Q-Index Status Provisional Code
Institutional Status UQ

Document type: Conference Paper
Collection: School of Mechanical & Mining Engineering Publications
 
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Created: Tue, 05 Jul 2011, 10:33:38 EST by Dr Bianca Capra on behalf of School of Mechanical and Mining Engineering