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Heat Rejection/Retention Characteristics of a Re-deployable Radiator for Venus Exploration Mission
Technical Paper
2007-01-3241
ISSN: 0148-7191, e-ISSN: 2688-3627
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English
Abstract
This paper experimentally and analytically evaluates the heat rejection/retention performance of a reversible thermal panel (RTP) which can autonomously change thermal performance depending on its own thermal conditions. The RTP is considered as a candidate methodology for thermal control of Venus mission, PLANET-C, in order to save survival heater power. An RTP prototype was tested and evaluated. An analytical thermal model of the RTP was also developed, and basic performances of the RTP were evaluated. Thermal performance of the RTP when applied to the longwave camera (LIR) of the PLANET-C was evaluated with an analytical thermal model as functions of fin deployment directions and rear surface properties of the RTP's fin. The analytical results showed that the RTP can save heater power in comparison to a conventional radiator.
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Citation
Nagano, H., Ohnishi, A., Higuchi, K., Matsumoto, K. et al., "Heat Rejection/Retention Characteristics of a Re-deployable Radiator for Venus Exploration Mission," SAE Technical Paper 2007-01-3241, 2007, https://doi.org/10.4271/2007-01-3241.Also In
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