Journal
APPLIED THERMAL ENGINEERING
Volume 113, Issue -, Pages 1242-1249Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.applthermaleng.2016.11.102
Keywords
Heat switch; Differential thermal expansion; Thermal resistance; Space optics; Thermal control
Funding
- National Natural Science Foundation of China [61605203]
- Youth Innovation Promotion Association of Chinese Academy of Sciences [2015173]
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Thermal control for Charge Converse Device (CCD) is a key issue in space optical remote sensor. Heat switch is appropriate for heat dissipation of CCD. This paper provides thermal characterization of a new passively actuated differential thermal expansion heat switch (DTE-HS) with automatic adjusting function for CCD thermal control in space optical remote sensor. The radiation thermal resistance is developed to study how the radiation parameters affect the thermal resistance of the heat switch. The heat conduction thermal resistance is developed to describe the thermal characterization of the DTE-HS. A prototype of the DTE-HS is manufactured and tested. The experimental results are consistent well with the theoretical results. (C) 2016 Elsevier Ltd. All rights reserved.
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