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研究生: 余宣魁
Xung-Kuan Yu
論文名稱: 預塗表面對旋轉塗佈的影響
指導教授: 周復初
Fu-Chu Chou
口試委員:
學位類別: 碩士
Master
系所名稱: 工學院 - 機械工程學系
Department of Mechanical Engineering
畢業學年度: 88
語文別: 中文
論文頁數: 100
中文關鍵詞: 蒙地卡羅熱傳平行流稀薄氣體pdf
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查詢本校圖書館目錄 查詢臺灣博碩士論文知識加值系統 勘誤回報

  • 結果發現混合層紊性熱量的傳輸,x方向的熱量傳遞 (圖5.24)約為y方向的的熱量傳遞 (圖5.25)的二倍,且x方向的熱量傳遞趨勢和流場截面 的分佈類似,y方向的熱量傳遞( )的趨勢和能量項(圖5.17)相似,都是愈往下游愈小。
    並藉由聯合機率密函數 、 與 、 截面分佈圖比較發現聯合機率密度函數形狀與混合層內在結構、動量、熱量傳輸相關性高,當 形狀愈偏離高斯分佈,其 值愈大,當 形狀愈接近高斯分佈,其 值愈小,而 的分佈趨勢和 相同,上層區偏向於正,下層區偏向於負。


    摘要i 目錄ii 圖表目錄iv 符號說明ix 第一章緒論1 1-1簡介1 1-2稀薄氣體( dilute gas )定義3 1-3Boltzmann方程式的解法4 第二章 直接模擬蒙地卡羅法 9 2-1DSMC原理及應用 9 2-2網格設置12 2-3起始條件( Initial Condition )13 2-4邊界條件( Boundary Condition )14 2-5碰撞對( Collision Pair )的選擇16 第三章分子模型的選擇 3-1VHS分子模型18 3-2單原子分子模型19 3-3雙原子分子模型20 第四章動量脈動相關函數及機率密度函數 的求得 4-1連性流體紊流場中動量脈動相關函數23 4-2DSMC法的應用26 第五章結果與討論29 5-1 使用軟體與計算時間 30 5-2超極音速稀薄氣體自由流混合層之性質 31 5-3 超極音速稀薄氣體自由流熱量的傳輸 35 5-4 紊性熱量傳遞與分子熱量傳遞比較 35 5-5混合層各級一點脈動機率密度函數 38 5-6與連性紊流混合層的比較 45 5-7結論與建議47 參考文獻49 附表與附圖52

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