超臨界流體熱管（SHP）是使用超臨界流體二氧化碳為工作流體來傳遞熱能之裝置，其無需外加任何機械力，完全靠內部超臨界流體快速循環運動來移熱。
　　本論文主要目的為新式熱管之研發測試，設計了單管型熱管與迴路型熱管兩種之SHP環路。單管型熱管設計了同心圓熱管來解決內部空間的問題；迴路型熱管設計了SLHP-1、SLHP-2、SLHP-3以及SHLP-4四種類型之環路，SLHP-1和SLHP-2為比較環路結構不同，SLHP-3和SHLP-4則是使用不同管徑結合之結構來作比較。迴路式熱管因在結構上折彎較多且接合處過多使得有壓力承受之問題，因此效果不知同心圓熱管。同心圓熱管在CPU加熱瓦數各6瓦時CPU1及CPU2溫度為80.8℃、77.1℃，熱阻值為3.77℃/W、3.46℃/W。本論文亦針對不同加熱途徑及不同系統壓力作探討

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