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來源資料
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題 名 | 以流場觀測法探討建築物火災煙霧,在不同窗形、遮簷及側壁高度下竄升情況研究=Flow Visualization on the Spread of Fire Smoke Varied by Window Aspect Ratios, Horizontal Projections and Spandrels |
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作 者 | 溫茂育; | 書刊名 | 正修學報 |
卷 期 | 12 1999.07[民88.07] |
頁 次 | 頁85-95 |
分類號 | 575.872 |
關鍵詞 | 流場觀測; 建築物火災煙霧竄升; 窗形; 遮簷及側壁高度; Flow visualization; The spread of fire smoke; Compartments; Windows; Projections and spandrels; |
語 文 | 中文(Chinese) |
中文摘要 | 以流場觀測法探討建築物的窗形、防煙火遮簷及窗戶間的側壁高度 (spandrels) 對火災煙 霧流竄的影響。實驗以一個簡單的雙樓層建築物模型,在下層放置一個小型煙霧發生源來模擬建築 物火災煙霧由下層窗口竄升情況。結果顯示窗形的寬高值A愈小愈能防止煙沿著壁面竄升,遮簷的 長度愈長愈拉長了煙霧在窗戶外的水平移動距離,而側壁高度愈大愈是使流出窗口外的曲率狀煙流 的�嶁仄U大。本研究並與前人之類似研究結果比較甚為吻合。本結果在建築工程的設計上應有實質 的參考價值。 |
英文摘要 | The fluid motion of fire smoke from a window through horizontal projections and spandrels was investigated by using flow visualization. The experiments adopted a simple two-floor-building model as test equipment. The results showed that the fire smoke moving away from the upper stories deflected more strongly as the window aspect ratios (W/H) decreased. In addition, horizontal projections and vertical separations (spandrels) help to deflect the fire smoke. The results were in good agreements with of previous investigation. The results might be useful for the design of building for fire safety. |
本系統中英文摘要資訊取自各篇刊載內容。