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김정훈(Jung-Hoon Kim),전형열(Hyung Yoll Jun),양군호(Koon-Ho Yang) 한국전산유체공학회 2006 한국전산유체공학회지 Vol.11 No.2
A heat dissipation modeling method of EEE parts is developed for thermal design and analysis of an satellite electronic equipment. The power consumption measurement value of each functional breadboard is used for the heat dissipation modeling method. For the purpose of conduction heat transfer modeling of EEE parts, surface heat model using very thin ignorable thermal plates is considered instead of conventional lumped capacity nodes. These modeling methods are applied to the thermal design and analysis of CTU EM and EQM and verified by thermal cycling and vacuum tests.
통신해양기상위성 본체 방열판 및 히터 개념설계를 위한 해석적 방법 및 수치모사 연구
김정훈(Jung-Hoon Kim),전형열(Hyung Yoll Jun),양군호(Koon-Ho Yang) 한국전산유체공학회 2005 한국전산유체공학회지 Vol.10 No.3
The COMS, the first meteorological geostationary satellite in Korea, is under development by KARI. The radiator size and the heater power for the thermal control of COMS are calculated using an analytic method. The total radiator area of 4.85 ㎡and the total heater power of 794.77 W are determined at a conceptual design of COMS. The commercial software, SINDA and TRASYS, are utilized in order to compare and verify the analytic results. The results of on-orbit numerical simulation of cold and hot cases show that the radiator size and heater power obtained from the analytic method are appropriate to maintain COMS equipments within required temperature ranges.