Analysis of air radiation measurements obtained in the EAST and X2 shocktube facilities

Brandis, A. M., Cruden, B. A., Prabhu, D., Bose, D., McGilvray, M. and Morgan, R. G. (2010). Analysis of air radiation measurements obtained in the EAST and X2 shocktube facilities. In: , 10th AIAA/ASME Joint Thermophysics and Heat Transfer Conference. 10th AIAA/ASME Joint Thermophysics and Heat Transfer Conference, Chicago, IL, U.S.A., (). 28 June-1 July 2010.

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Name Description MIMEType Size Downloads
Author Brandis, A. M.
Cruden, B. A.
Prabhu, D.
Bose, D.
McGilvray, M.
Morgan, R. G.
Title of paper Analysis of air radiation measurements obtained in the EAST and X2 shocktube facilities
Conference Paper Type Fully Published Paper
Conference name 10th AIAA/ASME Joint Thermophysics and Heat Transfer Conference    (ERA 2010 Rank B)
Conference location Chicago, IL, U.S.A.
Conference dates 28 June-1 July 2010
Proceedings title 10th AIAA/ASME Joint Thermophysics and Heat Transfer Conference
Place published Reston, VA, U.S.A.
Publisher American Institute of Aeronautics & Astronautics (AIAA)
Publication date 2010
ISBN 9781600867453; 1600867456
Total pages 23
Collection year 2011
Language eng
Formatted Abstract/Summary This paper presents measurements of equilibrium radiation obtained in the NASA Ames Research Center's EAST facility and the University of Queensland's X2 facility. These experiments were aimed at measuring the level of radiation encountered during conditions relevant to Orion lunar return into Earth's atmosphere. The facilities have targeted the same nominal test conditions of 10 km/s and 26.6 Pa (0.2 Torr). In addition, variations on the nominal shock speed have also been the focus of recent testing in the EAST facility. A comprehensive comparison between the EAST data and NEQAIR is presented in this paper with preliminary X2 comparisons where appropriate. Since the two facilities have different dimensions, and the tests have different shock speeds, NEQAIR simulations are used as a point of reference for the EAST and X2 comparison. Results obtained by independently reducing the data from both facilities are compared. The present analysis endeavors to provide a better understanding of the uncertainty in the measurements, as well as provide an initial comparison between EAST and X2. Furthermore, the present analysis explores various radiative mechanisms to determine if they are due to physical processes relevant to flight, or are just facility dependent phenomena. These phenomena include effects such as the magnitude of the background continuum.
Copyright © 2010 by the American Institute of Aeronautics and Astronautics, Inc.
Q-Index Code E1
Q-Index Status Confirmed Code
Institutional Status UQ
Additional Notes Presented during Session 47 "TP/HT-6: Experimental Aerothermodynamics 21B" (Chair: N. Dougherty, ERC, Inc., Huntsville, AL) as Paper #AIAA 2010-4510.

Document type: Conference Paper
Sub-type: Fully Published Paper
Collections: School of Mechanical & Mining Engineering Publications
Official 2011 Collection
 
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Created: Fri, 25 Mar 2011, 10:45:32 EST by Rose Clements on behalf of School of Mechanical and Mining Engineering