微小液滴冷卻微小熱點之實驗研究

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姓名

鍾政儒(Cheng-Ru Chung) 查詢紙本館藏

畢業系所

機械工程學系

論文名稱

微小液滴冷卻微小熱點之實驗研究
(Cooling of Micro Hot Spot by Microdroplet)

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摘要(中)

為了研究微小熱點冷卻，本文使用噴墨頭噴出的微小水滴，撞擊在尺寸大小約為180x180μm2的熱輻射測定器（Bolometer)上，不同的輸入電流，使得感測器內浮板之電阻產生不同溫度，液滴直接在測定器表面作冷卻。再從示波器上記錄測定器上電壓變化，進而換算出溫度差，達到實驗目的。
實驗結果顯示，單一微小液滴，液滴直徑100μm蒸發時間只需0.3到0.5秒，溫度下降，在七到十五度左右。

關鍵字(中)

★ 微小熱點
★ 微小液滴
★ 輻射熱測定器

關鍵字(英)

★ Micro Hot Sopt
★ Microdroplet
★ Bolometer

論文目次

摘要I
目錄III
表目錄V
圖目錄VI
符號說明VIII
第一章緒論1
1-1實驗動機1
1-2文獻回顧4
1-2-1 微系統方面4
1-2-2 液滴撞擊表面5
1-2-3 大表面液滴冷卻方面5
1-2-4 液滴蒸發方面與其他應用9
第二章實驗設備簡介11
2-1實驗設備11
第三章實驗理論分析14
3-1實驗理論分析14
3-1-1估計液滴在空中飛行時熱對流係數14
3-1-2估計時間常數14
3-1-3估計熱傳係數15
3-1-4計算溫差16
3-2參數設定17
第四章結果與討論19
4-1實驗結果19
4-1-1第一批實驗19
4-1-2第二批實驗19
4-2實驗比較20
4-2-1分析及計算21
第五章總結24
參考文獻25
附表29
附圖37

參考文獻

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指導教授

周復初(Fu-Chu Chou)

審核日期

2000-7-17

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