Other
Scientific paper
Nov 1990
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1990spie.1341..339b&link_type=abstract
IN: Infrared technology XVI; Proceedings of the Meeting, San Diego, CA, July 11-13, 1990 (A92-21426 07-35). Bellingham, WA, Soci
Other
Convective Heat Transfer, Heat Transfer Coefficients, Thermography, Wind Tunnel Models, Wind Tunnel Tests, Aerothermodynamics, Boundary Layer Transition, Convective Flow, Infrared Imagery, Infrared Scanners, Supersonic Flow
Scientific paper
Research conducted at ONERA to make quantitative infrared thermography operational and applicable to any 3D model is discussed. The problems of precise thermometry using this technique are considered, and the methodological and hardware choices made to obtain quantitative thermograms are described. The problem of determining the convective flows once the unsteady temperatures are known is addressed for two kinds of methods: classical passive thermography, in which only the heating due to convection is used, and active, or stimulated, thermography, in which the heat-transfer coefficients are calculated directly from the additional heating of the model by a radiation source, applied for short periods during the test.
Balageas D. L.
Boscher D. M.
Deom A. A.
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