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研究生: 連憶菁
Lien, I-Ching
論文名稱: 水平導風百葉開口部對室內自然通風效果影響之研究
A Study of the Influence of horizontal louvers on Natural Ventilation in a Dwelling Unit
指導教授: 江哲銘
Chiang, Che-Ming
學位類別: 碩士
Master
系所名稱: 規劃與設計學院 - 建築學系
Department of Architecture
論文出版年: 2003
畢業學年度: 91
語文別: 中文
論文頁數: 80
中文關鍵詞: 風擊不滿意度換氣量單側通風數值解析足尺實驗水平導風百葉
外文關鍵詞: DR, air flow rate, horizontal louvers, full-scale experiment, CFD, single-sided ventilation
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  • 本研究以居室空間單側通風模式為探討對象,針對水平導風百葉開口部對室內換氣效果之影響進行研究,希冀藉由水平導風百葉取代前期研究之中央橫軸旋轉窗,在兼顧室內換氣健康及人員舒適性之同時,亦不至於對空間利用造成不便性。運用CFD數值解析方式進行室內穩態氣流場、溫度場模擬,並配合足尺實驗方法檢證模擬之精確性,作為數值模擬邊界條件設定之修正。研究討論部分,先對室內有無人體發熱源進行換氣量分析,藉此瞭解熱浮力效應對居室空間單側通風模式之影響程度,確認本研究後續討論之變因設定。再分別探討不同水平導風百葉深度對換氣量、溫度累積分佈及風擊不滿意度等因子之影響關係,綜合上述健康性與舒適性之評估結果,找尋較佳之百葉深度範圍,並提出相關查核資料以供設計者參考。

    According to previous research, the central horizontal pivot window could contribute to the improvement of indoor air quality under single-sided ventilation. But for interior space using, it would be inconvenient. In the present study the horizontal pivot window would be replaced by horizontal louvers and the work was focused on what is a proper opening design, which could be used to promote natural ventilation, and keep users be comfortable. We tried to use numerical method to simulate ventilation performance of different louver’s depths as well as different wind speed. Air flow was considered, turbulent, steady, and the effects of buoyancy were taken into account. In addition, a full-scale chamber was also used in the experiment. The work revealed that numerical result was in good agreement with the experimental value of air flow rate, and other major findings were as the article.

    目錄 第一章 緒論 1-1 研究動機與目的 1-1 1-1-1 研究動機 1-1 1-1-2 研究目的 1-3 1-2 相關文獻回顧 1-4 1-3 研究內容與範圍 1-7 1-3-1 研究內容概要 1-7 1-3-2 研究範圍 1-8 1-4 研究架構與流程 1-9 第二章 研究方法 2-1 台灣地區空氣環境現況 2-1 2-1-1 建築外部空氣環境現況 2-1 2-1-2 自然通風策略 2-3 2-1-3 建築內部空氣環境現況 2-4 2-2 居室單元空間及變因之設定 2-6 2-2-1 居室單元空間及探討變因之選定 2-6 2-2-2 自然風條件設定 2-8 2-2-3 開窗模式與尺寸設定 2-8 2-2-4 水平導風百葉變因之設定 2-9 2-2-5 室內熱源之設定 2-11 2-3 通風效果評估指標之選定 2-12 2-3-1 換氣量之評估原則 2-13 2-3-2 風擊障礙不滿意度指標 2-15 第三章 水平導風百葉足尺實驗與數值模擬 3-1 水平導風百葉開口部自然通風之足尺實驗 3-1 3-1-1 足尺實驗體設定 3-1 3-1-2 實驗操作流程與實驗儀器系統 3-3 3-1-3 實驗結果分析 3-4 3-2 水平導風百葉開口部自然通風之數值模擬 3-7 3-2-1 計算流體力學於建築流場之應用 3-7 3-2-2 計算流體力學數學理論模式 3-9 3-2-3 水平導風百葉開口部之流場模擬 3-14 3-2-4 數值模擬結果分析 3-23 第四章 水平導風百葉開口部自然通風效果之探討 4-1 實驗與數值模擬結果比對 4-1 4-2 熱浮力對室內換氣量之影響 4-2 4-3 水平導風百葉自然通風之健康性檢討 4-3 4-3-1 水平導風百葉對室內換氣量之影響 4-4 4-3-2 入風風速、水平導風百葉深度與換氣增加率之關連性 4-6 4-3-2 入風風速、水平導風百葉深度與換氣量之關連性 4-7 4-4 水平導風百葉自然通風之舒適性檢討 4-9 4-4-1 水平導風百葉對室內溫度累積分佈之影響 4-9 4-4-2 水平導風百葉對睡眠區風擊現象之影響 4-10 4-5 小結 4-11 第五章 結論與建議 5-1 結論 5-1 5-2 後續研究建議 5-3 參考文獻

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