摘 要...........................................................i 誌 謝..........................................................ii 目 錄.... .....................................................iii 符號索引. .......................................................v 表目錄........................................................vii 圖目錄... ....................................................viii 第一章 緒論.....................................................1 1.1 前 言.......................................................1 1.2 文獻回顧....................................................2 1.3 研究動機與研究目的..........................................5 第二章 物理模型與理論分析.......................................6 2.1 煞車碟盤的幾何模型介紹與建構方法............................6 2.2 數學模式....................................................7 2.2.1 統御方程式..............................................7 2.2.2 流場參數之定義..........................................8 2.2.3 邊界條件................................................8 第三章 數值模式................................................10 3.1 計算流力軟體之簡介.........................................10 3.2 數值模擬基本流程...........................................11 3.3 計算網格...................................................13 3.3.1 網格點的產生方法.......................................14 3.3.2 格點模型的建立.........................................14 3.4 數值模擬模式與參數設定.....................................15 3.5 計算設備和時間.............................................16 3.6 網格獨立性測試.............................................16 第四章 煞車碟盤的對流熱傳分析..................................18 4.1 SRV型式....................................................18 4.1.1 旋轉速度為20rad/s時....................................18 4.1.2 旋轉速度為60rad/s時....................................19 4.1.3 旋轉速度為100rad/s時...................................19 4.1.4 SRV碟盤之整體熱傳特性..................................20 4.2 SRV-R型式..................................................20 4.2.1 旋轉速度為20rad/s時....................................20 4.2.2 旋轉速度為60rad/s時....................................21 4.2.3 旋轉速度為100rad/s時...................................21 4.2.4 SRV-R之整體熱傳特性....................................21 4.3 鰭片切溝槽對熱傳性能的影響.................................22 4.3.1 SRV切槽型式............................................22 4.3.2 SRV-R切槽型式..........................................24 第五章 煞車碟盤的熱傳導分析....................................27 5.1 SRV型式....................................................27 5.2 SRV-R型式..................................................28 5.3 SRV-R-C4-L6型式............................................28 第六章 煞車碟盤的傳導-對流耦合熱傳分析.........................29 6.1 完整及簡化耦合熱傳分析比較.................................29 6.2 通風道中添加一圓柱形流場擾動器的影響.......................30 6.2.1 圓柱形擾動器對流場與溫度場的影響.......................30 6.2.2 圓柱形流場擾動器對整體熱傳效果的影響...................30 第七章 結果與比較..............................................32 7.1 各種型式碟盤熱傳性能的比較.................................32 7.2 簡化與完整熱耦合分析的比較.................................34 第八章 結論與建議..............................................35 8.1 結論.......................................................35 8.2 建議.......................................................35 參考文獻.......................................................37