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研究生: 周逸超
Chou, Yi-Chao
論文名稱: 以田口法設計低雷諾數被動式T型管微混合器
A Passive T-Tube Micromixer Design at Low Reynolds Number by Taguchi Method
指導教授: 潘大知
Pan, Dar-Tzi
學位類別: 碩士
Master
系所名稱: 工學院 - 航空太空工程學系
Department of Aeronautics & Astronautics
論文出版年: 2011
畢業學年度: 99
語文別: 中文
論文頁數: 89
中文關鍵詞: 計算流體力學微混合器T型管田口方法
外文關鍵詞: CFD, Micromixer, T-tube, Taguchi method
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  • 本次研究以計算流體力學為工具,進行T型管微混合器數值模擬實驗,探討T型管主流道壁上凸出結構對微混合器混合效率的影響,並以田口方法設計實驗參數組合,以較精簡的實驗次數找尋在低雷諾數下凸出結構之較佳幾何參數設計。

    In this research numerical simulations of the flow fields of T-tube micromixers are performed using a commercial CFD software. The effects of organized convex wall structures on the mixing efficiency of the micromixer are studied. Taguchi Method has been used to set up the numerical experiments in search of a set of geometric parameters of the convex wall structure that yields good mixing efficiency at low Reynolds number regime.

    目錄 摘要………………………………………………………………………….Ⅰ 英文摘要…………………………………………………………………….Ⅱ 謝誌………………………………………………………………………….Ⅲ 目錄………………………………………………………………………….Ⅳ 表目錄……………………………………………………………………….Ⅵ 圖目錄……………………………………………………………………….Ⅸ 符號說明………………………………………………………………….ⅩⅤ 第一章 緒論…………………………………………………………………….1 1-1 介紹……………………………………………………………………….1 1-2 微混合器分類…………………………………………………………….3 1-3 主動式微混合器………………………………………………………….5 1-3-1 壓力擾動式…………………………………………………………….5 1-3-2 電驅動式……………………………………………………………….6 1-3-3 熱渦流微混合器……………………………………………………….7 1-4 被動式微混合器………………………………………………………….8 1-4-1 層疊式微混合器……………………………………………………….8 1-4-2 混沌對流微混合器…………………………………………………….9 1-5 研究概念………………………………………………………………….10 第二章 流體混合現象之統御方程式及數值模擬工具……………………….11 2-1 基本假設………………………………………………………………….11 2-2 統御方程式……………………………………………………………….12 2-3 CFD流場模擬工具……………………………………………………….13 2-4 邊界條件設定…………………………………………………………….14 2-5 重要參數………………………………………………………………….15 2-6 田口方法………………………………………………………………….18 第三章 基本二維T型管微混合器…………………………………………….22 3-1 T型管微混合器………………………………………………………….22 3-2 一維擴散原理驗證……………………………………………………….26 第四章 低雷諾數微混合器之設計…………………………………………….39 4-1 定義完全混合長度L99%…………………………………………….39 4-2 T型管微混合器之設計………………………………………………….42 4-3 微混合器設計之最佳參數組合………………………………………….50 4-4 以水為工作流體之田口方法分析……………………………………….54 4-5 以酒精為工作流體之田口方法分析…………………………………….71 4-6 整理與討論……………………………………………………………….79 第五章 結論…………………………………………………………………….85 參考文獻……………………………………………………………………….87

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