| 研究生: |
盧佩彣 Lu, Pei-Wen |
|---|---|
| 論文名稱: |
都市更新後新建大樓對於周遭透天厝自然通風效能之影響 The influence of a high-rise building on ventilation performance of the surrounding attached houses in an urban renewal project: wind tunnel experiments |
| 指導教授: |
賴啟銘
Lai, Chi-Ming |
| 共同指導教授: |
郭建源
Kuo, Chien-Yuan |
| 學位類別: |
碩士 Master |
| 系所名稱: |
工學院 - 土木工程學系碩士在職專班 Department of Civil Engineering (on the job class) |
| 論文出版年: | 2021 |
| 畢業學年度: | 109 |
| 語文別: | 中文 |
| 論文頁數: | 88 |
| 中文關鍵詞: | 風洞實驗 、室內自然通風量 、無因次平均風壓係數 |
| 外文關鍵詞: | wind tunnel test, ventilation model, coefficient of wind pressure |
| 相關次數: | 點閱:132 下載:9 |
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為促進都市更新發展,有計畫性的利用有限土地面積,基地開發規模逐漸朝向高層建築物為主,故本研究採都市更新前(既有連棟透天厝配置)、都市更新後拆除部分既有透天厝並新建50公尺大樓及75公尺大樓等3個案例進行風洞實驗,並從0度、45度、90度、135度、180度、225度、270度及315度等8個不同風攻角進行量測,分析比較50公尺大樓及75公尺大樓,與既有連棟透天厝的室內自然通風量之差異,期能作為都市更新後的建築物的配置或高度的參考建議。
本研究由風洞實驗量測結果分析,可知新建50公尺及75公尺的高層建築物,對於周邊既有連棟透天厝之室內自然通風量的變化,經統計發現新建50公尺大樓在各個風攻角下,使周邊既有透天厝的室內自然通風量變小的戶數,比新建75公尺大樓之戶數較多。另外分析不同風攻角的變化,可發現風攻角所接觸的建築物面積越少,使周邊既有透天厝的室內自然通風量變得較大;反之,風攻角所接觸的建築物面積越多,則使周邊既有透天厝的室內自然通風量變得較小。
Recently the main trend of building development is high-rise structure in order to effectively use the land area.This reserach compares 50-meter high building with 75-meter high building by the angle of attack at 0/45/90/135/225/270/315 degree, and analyze the result to describe how it affects the performance of indoor ventilation for attached houses.Hope this research can be used as a reference for the design of building height in an urban renewal.
The planning of this research is based on the attached houses type which is very common building type in southern region, and take Tainan city as research case to create construction model.
Furthermore, measure the wind pressure test points of two sides of every building model through wind tunnel experiment to be the basis of ventilation calculation.
By the wind tunnel test result, we know that the quantity of the units which has decreased performance of indoor ventilation with 50-meter height building is more than the units with 75-meter height building.
The result indicates the smaller construction area contacted by the angle of attack, the higher performance of ventilation the attached houses got.
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