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Proceedings Paper

Development Of Radiometers For High Power Thermal Radiation
Author(s): J. Balderston; P. W. King
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Paper Abstract

Development of instrumentation to measure high heat-flux levels (≥ 1.0 MW/m2 ) is described. Progress has followed the provision of arc-image thermal irradiation facilities of power inputs between 2-30 kW. Fact response radiometers have been constructed and after - calibration against an absolute calorimetric measurement used to indicate incident radiant intensity. Constantan-foil disc radiometers can confer a high degree of spatial as well as temporal resolution with a high degree of precision. Delicate disc-centre thermocouple joints were necessary as well as robust peripheral welding to a cold solderless junction. About ten different coating blacks have been assessed for burn-off tendency over the linear region of response, up to thermal intensities of 5.0 MW/m2.

Paper Details

Date Published: 18 November 1980
PDF: 6 pages
Proc. SPIE 0234, New Developments and Applications in Optical Radiation Measurement, (18 November 1980); doi: 10.1117/12.958948
Show Author Affiliations
J. Balderston, A.W.R.E. (United Kingdom)
P. W. King, A.W.R.E. (United Kingdom)

Published in SPIE Proceedings Vol. 0234:
New Developments and Applications in Optical Radiation Measurement
A. J. Allnutt, Editor(s)

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