| 研究生: |
李昕純 Lee, Hsin-Chun |
|---|---|
| 論文名稱: |
密閉式空間使用機械換氣 之 室內空氣品質 暨改善策略-以 大專院校內講廳及圖書室 為例 Indoor Air Quality and Improvement Strategies of Using Mechanical Ventilation in Confined Spaces-Take lecture halls and libraries in colleges and universities as examples |
| 指導教授: |
潘振宇
Pan, Chen-Yu |
| 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: | 2022 |
| 畢業學年度: | 110 |
| 語文別: | 中文 |
| 論文頁數: | 104 |
| 中文關鍵詞: | 室內空氣品質 、全熱交換器 、機械換氣效益 、建築設備改善建議 |
| 外文關鍵詞: | Indoor Air Quality, Total Heat Exchangers, Mechanical Ventilation Benefits, Building Equipment Improvement Proposals |
| 相關次數: | 點閱:159 下載:16 |
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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 |
近年的氣候變遷及極端氣候越來越嚴重,又受到COVID-19肆虐,造成環境變化及健康危害等問題。台灣位處於亞熱帶屬溫濕度較高的地區,都會密集發展與環境污染的問題,影響建築室內的環境品質,其中室內空氣品質之優劣,直接影響人體的健康安全及舒適,並間接影響經濟生產與學習效率。
據美國環保署(United States Environmental Protection Agency,2003)指出,室內空氣的污染濃度常比室外高出2至5倍。由於室內環境的通風條件差,以致病毒、懸浮微粒、毛屑、塵蟎等,不斷在室內環境循環蓄積。室內空氣品質對於人體的健康和睡眠品質、工作、生活的影響密切,因此,室內環境的空氣污染更不容小覷。
然而,現今社會中,室內空間型態大多是密閉空間且使用空調設備進行空氣循環,常導致室內空氣品質不良的問題,如二氧化碳濃度過高等。近年來,室內空氣品質危害的議題逐漸被重視,希望解決室內空氣品質不良的情況,因此,許多建案把全熱交換器納入為設計規劃中,全熱交換器主要作用為室內外的空氣交換,使密閉空間有通風換氣的效果與良好的室內空氣品質。
但全熱交換器也包含了以下缺點,例如安裝成本較高、施工不易且繁雜與管理控制人員訓練缺乏。多數舊有建築物設計缺乏換氣設備,而成本與空間限制,無法大範圍更換所有空調設備,故選擇加裝全熱交換器進行機械通風換氣之室內空氣品質改善。
本研究針對圖書館自修中心及校園內幾間密閉式講廳進行現場檢測,探討其使用全熱交換器前後對於室內空氣品質之影響程度,並於即時性、人力成本及經費成本考量下,選擇其中一間密閉式圖書空間進行低成本改善實驗,並實測裝有簡易機械換氣設備模擬裝設全熱交換器前後二氧化碳改善之濃度差異,並依據通風換氣程度、噪音等綜合因素,提供各校園密閉式空間短期改善建議以及日後長期改善之建議方案。
In this study, an enclosed space in a college in southern Taiwan was selected, and the indoor ventilation quality was measured at all times and with different numbers of users, and the feasibility of a simple ventilation improvement strategy was discussed. In conclusion, in 3 closed spaces, the front and rear doors are closed all day due to the operation of air conditioners in summer, only students open doors, resulting in the maximum indoor CO₂ concentration exceeding the Taiwan regulatory benchmark of 1000ppm for a long time, and one of them is 24 hours. the CO₂ concentration for a long time in a single day exceeds the legal standard. In this study, through on-site observation and comparison of monitoring data, it is believed that changes in indoor occupant density, the size and time of door openings, and the placement of air inlets and outlets of ventilation equipment are all factors that affect the indoor air quality of each space. This study also found that no matter what method of opening the door is used for ventilation, it will definitely cause the indoor temperature to rise and the outdoor noise to be affected. instead, it will consume more air-conditioning operation capacity and increase energy consumption. Therefore, this study suggests that mechanical ventilation equipment should be added in the design of each enclosed space. Although the ventilation efficiency is not as good as that of natural ventilation, it can further achieve the effect of ventilation and energy saving.
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