臺灣博碩士論文加值系統

針對任意多層電子構裝結構結合高性能之冷板散熱設計，本研究成功地在微軟視窗98工作平台上發展出一套具有親和力的交談式多媒體電腦輔助設計系統。此多媒體電腦輔助設計系統之特點，乃在於能處理含兩面非對稱離散熱負荷之多層結構冷板的散熱設計問題，且運用了語音、圖片、動畫等多媒體技術，提供了使用者一個十分友善的互動式操作介面。
此多媒體電腦輔助設計系統包括前置處理次系統、多層結構冷板的散熱分析次系統、後置處理次系統及相關資料庫，在本論文中簡要地介紹所有相關次系統之基本設計概念與方法。本研究開發出之前置處理次系統擁有極具親和力之彩色視窗介面，能輕易地讓一般使用者經由視窗介面設定改良型多層結構冷板散熱設計所需之輸入參數，在主視窗中包含下列五個設計選項供使用者選擇，即(1)離散熱源幾何形狀與發熱量，(2)多層結構體材質，(3)冷板內部結構種類，(4)工作流體種類，及(5)環境條件。在前處理次系統之資料庫中共內建了五十四種散熱片結構相關幾何及熱流特性，十八種多層結構材質特性，七種冷板散熱片材質特性，及兩種工作流體特性。在研究中亦成功地建立任意多層結構冷板的散熱分析次系統，此散熱分析軟體能有效地計算N層結構(N>4)冷板的散熱性能。經由此分析軟體計算，可得到冷板外側之多層結構體表面上的溫度分佈數據。此溫度分佈數據可應用本研究中所發展出之後置處理次系統繪出彩色等溫圖；而且可以不同的溫標來顯示，並由滑鼠的移動可擷取出多層結構體表面任意位置之溫度。因此，在研究中更進一步地整合上述前後處理次系統、熱分析軟體及資料庫，而完成一套多媒體電腦輔助系統。
最後，本研究應用此開發出之多媒體電腦輔助設計軟體從事一系列實際應用的設計範例探討，結果皆驗證了本研究中開發出之改良型多層結構冷板電腦輔助設計系統的優越性。

A new user-friendliness multimedia thermal CAD system for thermal design of electronics multilayer structures integrated with a compact cold plate has been successfully developed on Microsoft Windows 98 system. New multimedia technologies, such as voice helper, graphical illustrations, and animated Graphics Interchange Format, employed in the present developed CAD system provide a very friendly and interactive interface for users. The fundamental design concepts for the developed pre-processor, thermal analyzer, and post-processor on Microsoft Windows 98 system are introduced. The developed pre-processor includes six options such as the selections of heat sources, multilayer structure, cold-plate core, working fluid, ambient conditions, and current data. In addition, an improved thermal analyzer has been successfully developed. It can deal with the thermal design problem for compact cold plates coupled with an N-layer structure (N > 4), which has arbitrary asymmetric heating loads. Based on an improved algorithm for drawing isotherms, an interactive post-processor has also been successfully developed on Microsoft Windows 98 system. Finally, the integration of multimedia thermal CAD system for multilayer structures with compact cold plates has been achieved. With the developed thermal CAD system, practical thermal design cases for multilayer structures integrated with compact cold plates have been performed. The superiority of the present developed CAD system has been demonstrated in the present study.

摘要
目錄
第一章緒論
第二章熱分析軟體之發展
第三章前置處理系統與後置處理系統
第四章多媒體電腦輔助系統
第五章結論與建議
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