Heat rejection/retention characteristics of a re-deployable radiator for venus exploration mission

Hosei Nagano; Akira Ohnishi; Ken Higuchi; Kan Matsumoto; Yu Oikawa; Kazuki Watanabe; Yuji Nagasaka

doi:10.4271/2007-01-3241

Heat rejection/retention characteristics of a re-deployable radiator for venus exploration mission

Hosei Nagano, Akira Ohnishi, Ken Higuchi, Kan Matsumoto, Yu Oikawa, Kazuki Watanabe, Yuji Nagasaka

Research output: Contribution to journal › Conference article › peer-review

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.

Original language	English
Journal	SAE Technical Papers
DOIs	https://doi.org/10.4271/2007-01-3241
Publication status	Published - 2007
Externally published	Yes
Event	37th International Conference on Environmental Systems, ICES 2007 - Chicago, IL, United States Duration: 2007 Jul 9 → 2007 Jul 12

ASJC Scopus subject areas

Automotive Engineering
Safety, Risk, Reliability and Quality
Pollution
Industrial and Manufacturing Engineering

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title = "Heat rejection/retention characteristics of a re-deployable radiator for venus exploration mission",

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.",

author = "Hosei Nagano and Akira Ohnishi and Ken Higuchi and Kan Matsumoto and Yu Oikawa and Kazuki Watanabe and Yuji Nagasaka",

year = "2007",

doi = "10.4271/2007-01-3241",

language = "English",

journal = "SAE Technical Papers",

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note = "37th International Conference on Environmental Systems, ICES 2007 ; Conference date: 09-07-2007 Through 12-07-2007",

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T1 - Heat rejection/retention characteristics of a re-deployable radiator for venus exploration mission

AU - Nagano, Hosei

AU - Ohnishi, Akira

AU - Higuchi, Ken

AU - Matsumoto, Kan

AU - Oikawa, Yu

AU - Watanabe, Kazuki

AU - Nagasaka, Yuji

PY - 2007

Y1 - 2007

N2 - 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.

AB - 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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Heat rejection/retention characteristics of a re-deployable radiator for venus exploration mission

Abstract

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