Experimental study on fire temperature distribution based on air curtain separation effect in a reduced-scale bifurcation tunnel
Tunnelling and Underground Space Technology(2022)
摘要
•Air curtain has a great blocked effect from main tunnel to the branch.•Compared with the angle or thickness, the cooling effect of wind speed is more stable.•The temperature change laws caused by positive and negative angles are different.•The temperature reduces firstly and then rises with the thickness broadening.
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关键词
Bifurcation tunnel,Wind speed of air curtain,Angle of air curtain,Thickness of air curtain,Longitudinal temperature distribution
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