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坡度对隧道拱顶烟气最高温度影响的数值模拟与实验研究

Keywords: 坡度隧道,顶棚最高温度,数值模拟,小尺寸火灾实验

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Abstract:

为研究坡度及隧道通风状况对城市隧道拱顶最高温度的影响,本文通过数值模拟和实验研究等手段,对0~3m/s纵向通风风速下,坡度为0~±5%的城市地下隧道内拱顶最高温度的分布进行了研究;通过数值模拟和实验研究验证了无坡度时、Kurioka隧道顶棚最高温度理论模型,同时提出了坡度存在时该模型的修正模型.

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