Comparison of experimental and numerical studies of ionizing flow over a cylinder

McIntyre, Timothy J., Bishop, Alexis I., Rubinsztein-Dunlop, Halina and Gnoffo, Peter A. (2003) Comparison of experimental and numerical studies of ionizing flow over a cylinder. AIAA Journal, 41 11: 2157-2161. doi:10.2514/2.6833


Author McIntyre, Timothy J.
Bishop, Alexis I.
Rubinsztein-Dunlop, Halina
Gnoffo, Peter A.
Title Comparison of experimental and numerical studies of ionizing flow over a cylinder
Journal name AIAA Journal   Check publisher's open access policy
ISSN 0001-1452
Publication date 2003-11-11
Year available 2003
Sub-type Article (original research)
DOI 10.2514/2.6833
Volume 41
Issue 11
Start page 2157
End page 2161
Total pages 5
Editor Faeth, Gerard M
McCabe, Luke
Place of publication Reston
Publisher American Institute of Aeronautics and Astronautics
Language eng
Subject 240402 Quantum Optics and Lasers
290201 Aerodynamics
Abstract Comparisons are made between experimental measurements and numerical simulations of ionizing flows generated in a superorbital facility. Nitrogen, with a freestream velocity of around 10 km/s, was passed over a cylindrical model, and images were recorded using two-wavelength holographic interferometry. The resulting density, electron concentration, and temperature maps were compared with numerical simulations from the Langley Research Center aerothermodynamic upwind relaxation algorithm. The results showed generally good agreement in shock location and density distributions. Some discrepancies were observed for the electron concentration, possibly, because simulations were of a two-dimensional flow, whereas the experiments were likely to have small three-dimensional effects.
Keyword laser science
biophotonics
Engineering, Aerospace
Superorbital Expansion Tube
Q-Index Code C1
Q-Index Status Provisional Code
Institutional Status Unknown

 
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Created: Wed, 11 Apr 2007, 02:09:35 EST by Kaye Eldridge on behalf of School of Mathematics & Physics