為了避免昂貴的電子設備在外太空運作時因劇烈變化的環境而遭受損壞，進而導致任務失敗，元件溫度的控制與掌握將會是衛星存活的關鍵。本論文將以成功大學所研發自製的CKUTEX小型衛星做為熱控制設計對象來探討在極端環境之下，如何使電子元件及設備有效控制在合理的溫度範圍內，以避免造成熱失效或熱破壞等問題。有別於多數衛星的熱控制往往著眼於材料的使用上，在本文中針對衛星的熱控制設計則是透過元件的擺放配置、結構體的設計以及利用電子元件本身的熱源來設計適當的散熱路徑以避免衛星內之電子系統與酬載設備承受劇烈的溫度變化。透過這樣的設計方式，除了能降低材料使用上的預算，也算是被動熱控制概念的實際設計與應用。

Thermal control is the crucial task to protect satellite electrical subsystems in harsh space environment from mission failure. This thesis illustrates the thermal control of electrical subsystems on CKUTEX satellite, developed by National Cheng Kung University. The goal is to effectively control the temperature of electrical devices in reasonable range to avoid thermal failure or thermal damage. Unlike the approaches using special thermal control materials, this thesis proposes a passive thermal control method concerning the location of devices, the structure design and the thermal sources on electrical components. This thermal control design is simulated, optimized and verified under these three factors. This approach not only utilizes pass thermal control concept but also reduces the budget on thermal materials

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