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Thermal Design Procedure for Micro- and Nanosatellites Pointing to Earth

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Title: Thermal Design Procedure for Micro- and Nanosatellites Pointing to Earth
Authors: Totani, Tsuyoshi Browse this author →KAKEN DB
Ogawa, Hiroto Browse this author
Inoue, Ryota Browse this author
Das, Tilok K. Browse this author
Wakita, Masashi Browse this author →KAKEN DB
Nagata, Harunori Browse this author →KAKEN DB
Issue Date: Jul-2014
Publisher: American Institute of Aeronautics and Astronautics
Journal Title: Journal of Thermophysics and Heat Transfer
Volume: 28
Issue: 3
Start Page: 524
End Page: 533
Publisher DOI: 10.2514/1.T4306
Abstract: This paper proposes a thermal design procedure for micro- and nanosatellites that can be completed in one year. Two thermal design concepts keep components within their design temperature range, reducing the temperature change by using the whole structure for heat storage and reducing the temperature change of the inner structure where the most temperature-sensitive components are mounted. One- and two-nodal analysis methods are used for the former and latter concepts, respectively, to clarify the combinations of optical properties for the structures and components to keep within the design temperature range of the components. Finally, multinodal analysis is performed for detail design based on the optical properties clarified from the one- and two-nodal analyses. This thermal design procedure was applied to the Hodoyoshi-1 satellite, which is a cube about 50cm on a side, has two inner plates and has solar cells on the body, is on a sun-synchronous orbit at an altitude of about 500km, and is pointing to Earth. The thermal design of the Hodoyoshi-1 satellite was completed in about 10 months.
Rights: ©2014 American Institute of Aeronautics and Astronautics
Type: article (author version)
Appears in Collections:工学院・工学研究院 (Graduate School of Engineering / Faculty of Engineering) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

Submitter: 戸谷 剛

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