Heat transfer behind a step in high-enthalpy laminar hypersonic flow

Gai, S. L. and Hayne, M. J. (2010) Heat transfer behind a step in high-enthalpy laminar hypersonic flow. Journal of Thermophysics And Heat Transfer, 24 4: 839-841. doi:10.2514/1.49300

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Author Gai, S. L.
Hayne, M. J.
Title Heat transfer behind a step in high-enthalpy laminar hypersonic flow
Journal name Journal of Thermophysics And Heat Transfer   Check publisher's open access policy
ISSN 0887-8722
Publication date 2010-10-01
Sub-type Article (original research)
DOI 10.2514/1.49300
Open Access Status
Volume 24
Issue 4
Start page 839
End page 841
Total pages 3
Editor Alfred L Crosbie
Becky Rivard
Place of publication New York, U. S. A.
Publisher American Institute of Aeronautics and Astronautics
Language eng
Formatted abstract
The parameters that are involved in heat transfer behind a step in high-enthalpy laminar hypersonic flow are investigated. The nondimensional wall heat transfer coefficient such as the Stanton Number depends on a group of dimensionless parameters characteristic of the flow. The flow enthalpies (h o) ranged from 1.5 MJ/kg to 26 MJ/kg, thus covering both undissociated and mildly to moderately dissociated freestreams. The gas phase, Damkohler number, ranged from 0 (undissociated flow) to 0.133. The dissociated freestream may be frozen as a result of nozzle expansion in shock tunnel and expansion tube flows. The part of the freestream total enthalpy may be stored as chemical potential enthalpy, which would be result in reduced heat transfer.

Keyword Damkohler number
Dimensionless parameters
Expansion tubes
Shock tunnel
Stanton numbers
Wall heat transfer
Q-Index Code C1
Q-Index Status Confirmed Code
Institutional Status UQ
Additional Notes "Technical Notes" Issue October-December 2010

Document type: Journal Article
Sub-type: Article (original research)
Collections: School of Mechanical & Mining Engineering Publications
Official 2011 Collection
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Citation counts: TR Web of Science Citation Count  Cited 4 times in Thomson Reuters Web of Science Article | Citations
Scopus Citation Count Cited 7 times in Scopus Article | Citations
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Created: Tue, 21 Dec 2010, 21:22:33 EST by Katie Gollschewski on behalf of School of Mechanical and Mining Engineering