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來流具俯仰角對低層建築風載重影響之研究

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圖 3-8    模型於風洞中進行實驗量測  資料來源:本研究拍攝
圖 3-10 TFI cobra probe  資料來源:本研究拍攝  本研究低層建築物氣動力模型利用壓克力板製作,建築物模型幾何尺寸為 高 4 公分、寬 10 公分、深 6 公分,模型的高寬比為 2:5、寬深比為 5:3。風壓 孔以細 PVC 管線製作之壓力傳感管線系統(tubing  system)與量測儀器相接,本 次模型實驗視屋頂坡度變化於模型屋頂面與四周牆面共佈設 107~136 個風壓孔, 利用本所實驗室現有的電子式壓力掃描器量測模型屋頂面及側面同步的風壓資 料。氣動力模型實驗量測時,安裝在山丘
圖 3-13  應用 Cobra probe 量測所得之流場順風向(u 方向)速度剖面 (a)30%山脊模型,(b) 20%山脊模型
圖 3-14  應用 Cobra probe 量測所得之流場俯仰角度剖面(a)30%山坡 模型,(b) 20%山坡模型
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