Experimental study of reflector shape control under various thermal conditions

Akiya Inagaki, Hiraku Sakamoto, Hiroaki Tanaka, Kosei Ishimura, Masaaki Okuma

Research output: Chapter in Book/Report/Conference proceedingConference contribution

2 Citations (Scopus)

Abstract

This study clarifies the effect of thermal deformation in the reconfigurable space reflector system, through a series of experiments in a thermostatic chamber using a prototype of reconfigurable space reflectors. This study then discusses possible countermeasures against precision degradation of such system due to the thermal deformation, exploiting a finite- element model that is tuned to the experimental results. Though reconfigurable reflector systems inherently have the mismatch in the coefficients of thermal expansion among their structural members, the effect of the mismatch may be minimized by a proper combination of several materials. The prototype used in this study is designed as a preliminary model of a secondary mirror for future radio astronomy satellites.

Original languageEnglish
Title of host publication2nd AIAA Spacecraft Structures Conference
PublisherAmerican Institute of Aeronautics and Astronautics Inc.
ISBN (Electronic)9781624103452
Publication statusPublished - 2015 Jan 1
Externally publishedYes
Event2nd AIAA Spacecraft Structures Conference 2015 - Kissimmee, United States
Duration: 2015 Jan 52015 Jan 9

Other

Other2nd AIAA Spacecraft Structures Conference 2015
CountryUnited States
CityKissimmee
Period15/1/515/1/9

Fingerprint

Radio astronomy
Structural members
Thermal expansion
Mirrors
Satellites
Degradation
Experiments
Hot Temperature

ASJC Scopus subject areas

  • Aerospace Engineering
  • Electrical and Electronic Engineering
  • Mechanical Engineering
  • Computer Science Applications

Cite this

Inagaki, A., Sakamoto, H., Tanaka, H., Ishimura, K., & Okuma, M. (2015). Experimental study of reflector shape control under various thermal conditions. In 2nd AIAA Spacecraft Structures Conference American Institute of Aeronautics and Astronautics Inc..

Experimental study of reflector shape control under various thermal conditions. / Inagaki, Akiya; Sakamoto, Hiraku; Tanaka, Hiroaki; Ishimura, Kosei; Okuma, Masaaki.

2nd AIAA Spacecraft Structures Conference. American Institute of Aeronautics and Astronautics Inc., 2015.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Inagaki, A, Sakamoto, H, Tanaka, H, Ishimura, K & Okuma, M 2015, Experimental study of reflector shape control under various thermal conditions. in 2nd AIAA Spacecraft Structures Conference. American Institute of Aeronautics and Astronautics Inc., 2nd AIAA Spacecraft Structures Conference 2015, Kissimmee, United States, 15/1/5.
Inagaki A, Sakamoto H, Tanaka H, Ishimura K, Okuma M. Experimental study of reflector shape control under various thermal conditions. In 2nd AIAA Spacecraft Structures Conference. American Institute of Aeronautics and Astronautics Inc. 2015
Inagaki, Akiya ; Sakamoto, Hiraku ; Tanaka, Hiroaki ; Ishimura, Kosei ; Okuma, Masaaki. / Experimental study of reflector shape control under various thermal conditions. 2nd AIAA Spacecraft Structures Conference. American Institute of Aeronautics and Astronautics Inc., 2015.
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