Legge, H. (1992) Heat Transfer and Forces on a LiF Single-Crystal Disc in Hypersonic Flow. DLR-Interner Bericht. 222 - 92 A 14. 119 S.
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Abstract
The heat transfer, recovery temperature, pressure force and shear force were measured on LiF single-crystal discs at 300 K - 800 K and 60^o to 90^o angle of attack in a helium free jet wind tunnel. The smallest energy accommodation coefficient determined in free molecular flow was sigma E = 0,15, which reduced the heat transfer significantly also in the transition regime. The recovery temperature was larger than expected for complete accommodation. The sacttering distribution of a helium molecular beam on the crystals in UHV was measured after the wind tunnel tests and showed that the surface quality was good.
Item URL in elib: | https://elib.dlr.de/36905/ | ||||||||
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Document Type: | Monograph (DLR-Interner Bericht) | ||||||||
Additional Information: | LIDO-Berichtsjahr=1992, | ||||||||
Title: | Heat Transfer and Forces on a LiF Single-Crystal Disc in Hypersonic Flow | ||||||||
Authors: |
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Date: | 1992 | ||||||||
Open Access: | No | ||||||||
Gold Open Access: | No | ||||||||
In SCOPUS: | No | ||||||||
In ISI Web of Science: | No | ||||||||
Number of Pages: | 119 | ||||||||
Status: | Published | ||||||||
Keywords: | Hypersonic flow, LiF single-crystal disc, heat transfer, recovery temperature | ||||||||
HGF - Research field: | UNSPECIFIED | ||||||||
HGF - Program: | other | ||||||||
HGF - Program Themes: | other | ||||||||
DLR - Research area: | UNSPECIFIED | ||||||||
DLR - Program: | no assignment | ||||||||
DLR - Research theme (Project): | UNSPECIFIED | ||||||||
Location: | Köln-Porz , Braunschweig , Göttingen | ||||||||
Institutes and Institutions: | Institute of Aerodynamics and Flow Technology > Institut für Strömungsmechanik > Institut für Experimentelle Strömungsmechanik | ||||||||
Deposited By: | DLR-Beauftragter, elib | ||||||||
Deposited On: | 03 Apr 2006 | ||||||||
Last Modified: | 27 Apr 2009 10:07 |
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