Thermal design utilizing radiative cooling for the payload module of LiteBIRD

Takashi Hasebe; Shingo Kashima; Satoru Uozumi; Hirokazu Ishino; Shin Utsunomiya; Hirofumi Noda; Kazuhisa Mitsuda; Yutaro Sekimoto; Tadayasu Dotani; Tomotake Matsumura; Hajime Sugai; Masahiro Tsujimoto; Hiroaki Imada; Masashi Hazumi

doi:10.1117/12.2313034

Thermal design utilizing radiative cooling for the payload module of LiteBIRD

Takashi Hasebe, Shingo Kashima, Satoru Uozumi, Hirokazu Ishino, Shin Utsunomiya, Hirofumi Noda, Kazuhisa Mitsuda, Yutaro Sekimoto, Tadayasu Dotani, Tomotake Matsumura, Hajime Sugai, Masahiro Tsujimoto, Hiroaki Imada, Masashi Hazumi

Creative Interdisciplinary Research Division

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

5 Citations (Scopus)

Abstract

The conceptual thermal design of the payload module (PLM) of LiteBIRD utilizing radiative cooling is studied. The thermal environment and structure design of the PLM strongly depend on the precession angle α of the spacecraft. In this study, the geometrical models of the PLM that consist of the sunshield, three layers of Vgrooves, and 5 K shield were designed in the cases of α = 45°, 30°, and 5°. The mission instruments of LiteBIRD are cooled down below 5 K. Therefore, heat transfers down to the 5 K cryogenic part were estimated in each case of α. The radiative heat transfers were calculated by using geometrical models of the PLM. The conductive heat transfers and the active cooling with cryocoolers were considered. We also studied the case that the inner surface of the V-groove is coated by a high-emissivity material.

Original language	English
Title of host publication	Space Telescopes and Instrumentation 2018
Subtitle of host publication	Optical, Infrared, and Millimeter Wave
Editors	Giovanni G. Fazio, Howard A. MacEwen, Makenzie Lystrup
Publisher	SPIE
ISBN (Print)	9781510619494
DOIs	https://doi.org/10.1117/12.2313034
Publication status	Published - 2018
Event	Space Telescopes and Instrumentation 2018: Optical, Infrared, and Millimeter Wave - Austin, United States Duration: 2018 Jun 10 → 2018 Jun 15

Publication series

Name	Proceedings of SPIE - The International Society for Optical Engineering
Volume	10698
ISSN (Print)	0277-786X
ISSN (Electronic)	1996-756X

Other

Other	Space Telescopes and Instrumentation 2018: Optical, Infrared, and Millimeter Wave
Country/Territory	United States
City	Austin
Period	18/6/10 → 18/6/15

Keywords

CMB
LiteBIRD
Radiative cooling
Thermal design
V-grooves

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Condensed Matter Physics
Computer Science Applications
Applied Mathematics
Electrical and Electronic Engineering

Access to Document

10.1117/12.2313034

Cite this

Hasebe, T., Kashima, S., Uozumi, S., Ishino, H., Utsunomiya, S., Noda, H., Mitsuda, K., Sekimoto, Y., Dotani, T., Matsumura, T., Sugai, H., Tsujimoto, M., Imada, H., & Hazumi, M. (2018). Thermal design utilizing radiative cooling for the payload module of LiteBIRD. In G. G. Fazio, H. A. MacEwen, & M. Lystrup (Eds.), Space Telescopes and Instrumentation 2018: Optical, Infrared, and Millimeter Wave [1069864] (Proceedings of SPIE - The International Society for Optical Engineering; Vol. 10698). SPIE. https://doi.org/10.1117/12.2313034

Thermal design utilizing radiative cooling for the payload module of LiteBIRD. / Hasebe, Takashi; Kashima, Shingo; Uozumi, Satoru et al.
Space Telescopes and Instrumentation 2018: Optical, Infrared, and Millimeter Wave. ed. / Giovanni G. Fazio; Howard A. MacEwen; Makenzie Lystrup. SPIE, 2018. 1069864 (Proceedings of SPIE - The International Society for Optical Engineering; Vol. 10698).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Hasebe, T, Kashima, S, Uozumi, S, Ishino, H, Utsunomiya, S, Noda, H, Mitsuda, K, Sekimoto, Y, Dotani, T, Matsumura, T, Sugai, H, Tsujimoto, M, Imada, H & Hazumi, M 2018, Thermal design utilizing radiative cooling for the payload module of LiteBIRD. in GG Fazio, HA MacEwen & M Lystrup (eds), Space Telescopes and Instrumentation 2018: Optical, Infrared, and Millimeter Wave., 1069864, Proceedings of SPIE - The International Society for Optical Engineering, vol. 10698, SPIE, Space Telescopes and Instrumentation 2018: Optical, Infrared, and Millimeter Wave, Austin, United States, 18/6/10. https://doi.org/10.1117/12.2313034

Hasebe T, Kashima S, Uozumi S, Ishino H, Utsunomiya S, Noda H et al. Thermal design utilizing radiative cooling for the payload module of LiteBIRD. In Fazio GG, MacEwen HA, Lystrup M, editors, Space Telescopes and Instrumentation 2018: Optical, Infrared, and Millimeter Wave. SPIE. 2018. 1069864. (Proceedings of SPIE - The International Society for Optical Engineering). doi: 10.1117/12.2313034

Hasebe, Takashi ; Kashima, Shingo ; Uozumi, Satoru et al. / Thermal design utilizing radiative cooling for the payload module of LiteBIRD. Space Telescopes and Instrumentation 2018: Optical, Infrared, and Millimeter Wave. editor / Giovanni G. Fazio ; Howard A. MacEwen ; Makenzie Lystrup. SPIE, 2018. (Proceedings of SPIE - The International Society for Optical Engineering).

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title = "Thermal design utilizing radiative cooling for the payload module of LiteBIRD",

abstract = "The conceptual thermal design of the payload module (PLM) of LiteBIRD utilizing radiative cooling is studied. The thermal environment and structure design of the PLM strongly depend on the precession angle α of the spacecraft. In this study, the geometrical models of the PLM that consist of the sunshield, three layers of Vgrooves, and 5 K shield were designed in the cases of α = 45°, 30°, and 5°. The mission instruments of LiteBIRD are cooled down below 5 K. Therefore, heat transfers down to the 5 K cryogenic part were estimated in each case of α. The radiative heat transfers were calculated by using geometrical models of the PLM. The conductive heat transfers and the active cooling with cryocoolers were considered. We also studied the case that the inner surface of the V-groove is coated by a high-emissivity material.",

keywords = "CMB, LiteBIRD, Radiative cooling, Thermal design, V-grooves",

author = "Takashi Hasebe and Shingo Kashima and Satoru Uozumi and Hirokazu Ishino and Shin Utsunomiya and Hirofumi Noda and Kazuhisa Mitsuda and Yutaro Sekimoto and Tadayasu Dotani and Tomotake Matsumura and Hajime Sugai and Masahiro Tsujimoto and Hiroaki Imada and Masashi Hazumi",

note = "Funding Information: We thank Mike DiPirro, Thierry Tirolien, Lucile Desjonqueres, Hiroyuki Ogawa, and Keisuke Shinozaki for valuable discussions related to this study. This work was supported by ISAS/JAXA phase A1 program and acceleration program of JAXA research and development directorate. This work was partially JSPS/MEXT KAKENHI Grant Numbers JP17H01115 and JP15H05891. Publisher Copyright: {\textcopyright} COPYRIGHT SPIE. Downloading of the abstract is permitted for personal use only.; Space Telescopes and Instrumentation 2018: Optical, Infrared, and Millimeter Wave ; Conference date: 10-06-2018 Through 15-06-2018",

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doi = "10.1117/12.2313034",

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T1 - Thermal design utilizing radiative cooling for the payload module of LiteBIRD

AU - Hasebe, Takashi

AU - Kashima, Shingo

AU - Uozumi, Satoru

AU - Ishino, Hirokazu

AU - Utsunomiya, Shin

AU - Noda, Hirofumi

AU - Mitsuda, Kazuhisa

AU - Sekimoto, Yutaro

AU - Dotani, Tadayasu

AU - Matsumura, Tomotake

AU - Sugai, Hajime

AU - Tsujimoto, Masahiro

AU - Imada, Hiroaki

AU - Hazumi, Masashi

N1 - Funding Information: We thank Mike DiPirro, Thierry Tirolien, Lucile Desjonqueres, Hiroyuki Ogawa, and Keisuke Shinozaki for valuable discussions related to this study. This work was supported by ISAS/JAXA phase A1 program and acceleration program of JAXA research and development directorate. This work was partially JSPS/MEXT KAKENHI Grant Numbers JP17H01115 and JP15H05891. Publisher Copyright: © COPYRIGHT SPIE. Downloading of the abstract is permitted for personal use only.

PY - 2018

Y1 - 2018

N2 - The conceptual thermal design of the payload module (PLM) of LiteBIRD utilizing radiative cooling is studied. The thermal environment and structure design of the PLM strongly depend on the precession angle α of the spacecraft. In this study, the geometrical models of the PLM that consist of the sunshield, three layers of Vgrooves, and 5 K shield were designed in the cases of α = 45°, 30°, and 5°. The mission instruments of LiteBIRD are cooled down below 5 K. Therefore, heat transfers down to the 5 K cryogenic part were estimated in each case of α. The radiative heat transfers were calculated by using geometrical models of the PLM. The conductive heat transfers and the active cooling with cryocoolers were considered. We also studied the case that the inner surface of the V-groove is coated by a high-emissivity material.

AB - The conceptual thermal design of the payload module (PLM) of LiteBIRD utilizing radiative cooling is studied. The thermal environment and structure design of the PLM strongly depend on the precession angle α of the spacecraft. In this study, the geometrical models of the PLM that consist of the sunshield, three layers of Vgrooves, and 5 K shield were designed in the cases of α = 45°, 30°, and 5°. The mission instruments of LiteBIRD are cooled down below 5 K. Therefore, heat transfers down to the 5 K cryogenic part were estimated in each case of α. The radiative heat transfers were calculated by using geometrical models of the PLM. The conductive heat transfers and the active cooling with cryocoolers were considered. We also studied the case that the inner surface of the V-groove is coated by a high-emissivity material.

KW - CMB

KW - LiteBIRD

KW - Radiative cooling

KW - Thermal design

KW - V-grooves

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Y2 - 10 June 2018 through 15 June 2018

ER -

Thermal design utilizing radiative cooling for the payload module of LiteBIRD

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