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氮氧化物对隧道需风量影响研究

, PP. 89-94

Keywords: 隧道工程,需风量,氮氧化物

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Abstract:

为研究隧道环境中氮氧化物对隧道通风的影响,根据不同国家隧道通风环境标准,综合考虑车型、汽车质量、海拔、车龄等影响因素,结合PIARC的相关标准和计算模型,以港珠澳大桥海底隧道工程为例,得出稀释氮氧化物的需风量,并与稀释一氧化碳及烟雾需风量进行对比分析。研究结果表明,氮氧化物中转化为二氧化氮的部分对隧道需风量影响较大,与稀释一氧化碳及烟雾需风量比较,稀释氮氧化物的需风量为控制值。

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