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Design and Performance Test of a Closed Loop Thermal Control System for Thermal Vacuum Chamber
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 Title & Authors
Design and Performance Test of a Closed Loop Thermal Control System for Thermal Vacuum Chamber
Seo, Heejun; Cho, Hyokjin; Park, Sungwook; Moon, Gueewon; Jung, Sanghun; Huh, Hwanil;
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 Abstract
A closed loop thermal control system simulates space thermal environment to verify the satellites` functionality in extremely cold/hot temperature. It is composed of a cryogenic blower, thermal shroud, heater, cryogenic valves. This paper presents an overview of closed loop thermal control system`s design parameter and test results for control parameter. A capacity of blower is calculated through energy balance equation and an advantage/disadvantage for a shroud material and a type was analysed. The thermal control system is controlled by a constant density of fluid in the system. A requested performance of closed loop thermal control system was verified by measuring a homogeneity and stability of shroud through control parameter such as density and RPM of blower.
 Keywords
Closed loop thermal Control System;Thermal Vacuum Chamber;Cryogenic Blower;
 Language
Korean
 Cited by
 References
1.
David G. Gilmore, Satellite Thermal Control Handbook, thermal testing, 9-17, 1994.

2.
H.J Seo, H.J Cho, S.H Lee, G.W Moon, "Analysis of Close loop thermal control system and review of test result", KSSS Conference, 2011.

3.
H.J Seo, S.M Ahn, H,W Huh, "Design and Performance Test of a Cryogenic Blower for Space Thermal Environment Simulation", Journal of The Korean Society for Aeronautical and Space Sciences Vol. 41, No. 10, 2013

4.
S.H Lee, H.J Cho, H.J Seo, G.W Moon, "Shroud System Development For a Large Thermal Vacuum Chamber", ESTECH 2004 Proceedings IEST, 2004

5.
H.J Seo, S.H Lee, H.J Cho, G.W Moon, "A Space Environment Simulator Design for Verification of the Large Satellite", SAREK Conference, 2003