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Optical Engineering

Quantitative Heat Transfer Measurement Using Thermographic Phosphors
Author(s): Paul Czysz; W. Paul Dixon
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Paper Abstract

A technique to obtain, optically, quantitative heat transfer distributions on wind tunnel models in short-run duration facilities is discussed. The phosphor coating is very sensitive to temperature and the activating ultraviolet radiation intensity but insensitive to aerodynamic surface loads and surface contamination. These characteristics, combined with millisecond response time, have made accurate thermal mapping practical under transient conditions. Visible and infrared radiation from the gas cap on blunt bodies has been effectively filtered without impairing the usefulness of the phosphor.

Paper Details

Date Published: 1 March 1969
PDF: 3 pages
Opt. Eng. 7(3) 070377 doi: 10.1117/12.7971513
Published in: Optical Engineering Volume 7, Issue 3
Show Author Affiliations
Paul Czysz, McDonnell Douglas Corporation (United States)
W. Paul Dixon, McDonnell Douglas Corporation (United States)


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