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Title: Optical heat flux gauge

A heat flux gauge is described comprising first and second thermographic phosphor layers separated by a layer of a thermal insulator wherein each thermographic layer comprises respective thermographic phosphors. The gauge may be mounted on a surface with the first thermographic phosphor in contact with the surface. A light source is directed at the gauge, causing the phosphors to luminesce. The luminescence produced by the phosphors is collected and its spectra analyzed in order to determine the heat flux on the surface. First and second phosphor layers must be different materials to assure that the spectral lines collected will be distinguishable.
Authors:
; ; ; ; ;
Publication Date:
OSTI Identifier:
5321702
Report Number(s):
US 5026170; A
PPN: US 7-362541
Resource Type:
Patent
Resource Relation:
Patent File Date: 7 Jun 1989
Country of Publication:
United States
Language:
English
Subject:
47 OTHER INSTRUMENTATION; 37 INORGANIC, ORGANIC, PHYSICAL AND ANALYTICAL CHEMISTRY; PHOSPHORS; LAYERS; OPTICAL PROPERTIES; THERMOLUMINESCENCE; SURFACES; HEAT FLUX; EMISSION SPECTRA; LIGHT SOURCES; MEASURING METHODS; THERMAL INSULATION; THERMOGRAPHY; LUMINESCENCE; PHYSICAL PROPERTIES; RADIATION SOURCES; SPECTRA 440500* -- Thermal Instrumentation-- (1990-); 400500 -- Photochemistry