Abstract
HAUSAT-2는 한국항공대학교 우주시스템 연구실에서 개발하고 있는 25kg급의 소형위성 이다. 위성의 시스템과 부품의 안정적인 작동을 확인하기 위하여 위성의 시스템과 박스모듈 그리고 전장보드 수준에서 열해석을 수행하였다. 시스템과 박스-레벨 열해석에 적용한 열 모델링은 HAUSAT-2 구조-열 모델의 열진공/균형 시험을 통하여 검증 및 보정되었다. 본 연구에서는 주요 소자를 직접 모델링하는 방법의 보드-레벨 열해석 방법론을 제안하고, 그에 따른 결과 분석 및 타당성을 제시하였다. HAUSAT-2 is nano satellite with 25kg mass being developed by Space System Research Lab. in Hnakuk Aviation University. This paper addresses HAUSAT-2 small satellite thermal analyses and its verification at satellite system, electronic box, and PCB levels. Thermal model which is used for system-level and box-level thermal analyses was verified and corrected through thermal vacuum/balance test. The new board-level thermal analysis methodology, modelling high-power dissipating EEE parts directly, was proposed. The proposed methodology has been verified with test results.
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