數值模擬多孔性介質燃燒爐中之熱增強燃燒現象

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蔡桓宇(Huang-Yu Tsai) 查詢紙本館藏

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機械工程學系

論文名稱

數值模擬多孔性介質燃燒爐中之熱增強燃燒現象

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關鍵字(中)

★ 多孔性介質
★ 燃燒
★ 熱輻射

關鍵字(英)

論文目次

誌謝II
摘要III
目錄IV
表目錄VII
圖目錄VIII
符號表XIII
第一章前言1
1.1簡介1
1.2文獻回顧4
1.3本文研究方向10
第二章數學模式11
2.1基本假設11
2.2統御方程式12
2.3邊界條件14
2.4參數定義15
2.4.1當量比15
2.4.2熱釋放率16
2.4.3消散係數16
2.4.4散射比16
2.4.5光學厚度16
2.4.6孔隙率17
2.4.7圓球的平均直徑17
2.4.8熱傳導係數19
2.4.9壓力降20
2.5輻射熱傳方程式之解法20
2.6模擬燃燒的方法25
第三章解題方法27
第四章結果與討論30
4.1不銹鋼鐵絲網30
4.1.1當量比對火焰結構之影響30
4.1.2與實驗結果之比較31
4.1.3改變吸收係數及散射係數之結果31
4.1.4火焰位置對火焰結構之影響32
4.1.5流速對火焰結構之影響33
4.1.6光學厚度對火焰結構之影響33
4.1.7散射比對火焰結構之影響34
4.1.8熱釋放率34
4.2部分穩定的氧化鋯35
4.2.1孔隙率對火焰結構之影響35
4.2.2與實驗結果之比較36
4.3不銹鋼鐵絲網和部份穩定的氧化鋯之差異36
第五章結論與建議38
5.1結論38
5.2對未來研究之建議40
附錄A 離散座標法42
參考文獻77

參考文獻

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指導教授

曾重仁(Chung-Jen Tseng)

審核日期

2000-7-19

推文