本研究為設計一種多功能性之相變型散熱元件之性能量測系統，可量測熱管、均溫板及解凍板之性能。並將熱電致冷器(TEC)運用在此性能測試系統之冷凝部，可以精準並快速的對冷凝部及絕熱部做溫控，以縮短實驗的時間並提昇性能量測的準確性。
實驗量測之均溫板尺寸為50x50mm，厚度各為3.5、6mm，將均溫板置於蒸發部之加熱銅塊及冷凝模組間。其均溫板性能表現藉由熱阻之量測以做觀察，冷凝部於自然對流下，其加熱瓦特數為1W至5W。而在強制對流下，將其冷凝部溫度維持在操控溫度，並加熱至40W，以觀察其性能表現。
其熱管性能測試結果顯示，以相變型之性能量測系統測試之最大熱傳量與傳統以冷凝水套作為冷凝部之熱管性能測試結果相同，且熱管之熱阻值之重複性實驗誤差值，皆能控制在10%以內，相當準確。均溫板於自然對流下，其軸向熱阻為0.1℃/W，擴散熱阻為0.12℃/W左右，而解凍板軸向熱阻及擴散熱阻分別為0.17℃/W及0.18℃/W左右。

A multipurpose of the performance measuring system for the phase change heat transport device such as heat pipe, vapor chamber and defrost plate was designed in this study. The characteristic of this measuring system was using thermal electrical chip (T.E.C.) as the condenser，which can exactly control the temperature in adiabatic section and condenser section. Therefore, it is effective to reduce the experimenting time and increase the accuracy of performance Test. This paper also present experimental measurement of performance of a vapor chamber (VC), heat pipe and defrost plate. The vapor chamber, with square sides of 50 x 50mm and thickness of 3.5mm and 6mm, was sandwiched between a heater block and a cooling plate located on the evaporator and the condenser surface respectively. The performance of the vapor chamber was investigated by determining the thermal resistance over a heat input range of 1 to 5W in natural convection test with the condenser opens at ambient environment and up to 40W in force convection with the condenser held at constant temperature. The experimental results show that the Maximum heat dissipated ability was the same compare with the new design measuring system and the traditional heat pipe performance measuring system with a water jacket as the cooling condenser. The thermal resistance in natural convection condition for the axial direction was around 0.1℃/W, while the spray thermal resistance was 0.12℃/W. For the defrost plate, the axial thermal resistance was 0.17℃/W and 0.18℃/W for the spray thermal resistance. Keywords: vapor chambers, heat pipe, thermal resistance, spread thermal resistance

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