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http://dx.doi.org/10.5139/JKSAS.2010.38.10.1020

On-Board Black Body Thermal Design and On-Orbit Thermal Analysis for Non-Uniformity Correction of Space Imagers  

Oh, Hyun-Ung (국방과학연구소 영상정보체계개발단)
Shin, So-Min (국방과학연구소 영상정보체계개발단)
Hong, Ju-Sung (삼성탈레스 기구설계그룹)
Lee, Min-Kyu (삼성탈레스 기구설계그룹)
Publication Information
Journal of the Korean Society for Aeronautical & Space Sciences / v.38, no.10, 2010 , pp. 1020-1025 More about this Journal
Abstract
On-board black body is used for radiation temperature calibration of spaceborne radiometers and imaging systems. The thermal design of black body proposed in this study is basically composed of heaters to heat-up the black body from low to high temperature during the calibration, heat pipe to transfer residual heat on the black body just after calibration to radiator on the S/C and heaters on the radiator to keep the certain temperature range of the black body during non-calibration. In the present work, the effectiveness of thermal design of on-board black body has been investigated by on-orbit thermal analysis.
Keywords
Black Body; Emissivity; Non-Uniformity;
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