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工業技術研究院

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技術名稱: 雙滲透度熱管之研究-II

技術簡介

傳統燒結式熱管均採用均勻毛細結構設計,也就表示其滲透度在整支熱管內部是一致的。而本研究採用雙滲透度之毛細結構設計,亦即採用兩種不同粒徑之銅粉設計,降低液相工作流體在毛細結構中之流動阻力,以提昇熱管之毛細限制。在本研究中以150μm銅粉之均勻毛細結構熱管,作為性能比較基準之熱管,其最大熱傳量為30W。而雙滲透度熱管所採用平均粒徑分別為215與150μm之銅粉做為毛細結構,蒸發區域採用150μm,其餘區域則採用215μm。經過實驗測試結果,正向加熱之最大熱傳量為45W,而反向加熱最大熱傳量則為30W,性能之提昇符合理論所評估。

Abstract

In this study, two different diameters of copper powder are used be new wick structure design in single heat pipe, the average diameters of copper powder are 215 and 150 micro meter respectively. The performance of heat pipe with the uniform wick structure is used to be the benchmark, and the maximum heat transfer is 30W. Through the experiment test results, the maximum heat transfer rates of the new designed heat pipe are 45W and 30W for different heating direction. The experiment results are consisted with the theory to predict.

技術規格

雙滲透度熱管,正向加熱之最大熱傳量為45W,反向加熱最大熱傳量則為30W。參考之均質熱管,其最大熱傳量為30W。

Technical Specification

The maximum heat transfer rates of the new designed heat pipe are 45W and 30W for different heating direction. The heat transfer performance of benchmark heat pipe is 30W.

技術特色

採用雙滲透度之毛細結構設計,亦即採用兩種不同粒徑之銅粉設計,降低液相工作流體在毛細結構中之流動阻力,以提昇熱管之毛細限制。

應用範圍

熱傳與電子散熱

接受技術者具備基礎建議(設備)

生產熱管之設備

接受技術者具備基礎建議(專業)

電子散熱知識

技術分類 02 J機電關鍵組件研究

聯絡資訊

聯絡人:簡國祥 節能設備技術組

電話:+886-3-5916873 或 Email:khchien@itri.org.tw

客服專線:+886-800-45-8899

傳真:+886-3-5820250

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