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公路隧道防洞口窜流治理研究

DOI: 10.3969/j.issn.1674-0696.2014.06.09, PP. 40-44

Keywords: 隧道工程,隧道通风,防窜流,工程措施,防窜流措施有效率,定量分析,数值模拟,tunnelengineering,tunnelventilation,anti-crossflow,engineeringmeasures,thecrossflowmeasuresefficiency,quantitativeanalysis,numericalsimulation

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Abstract:

:?分析了短距离公路隧道窜流现象和窜流比的本质,提出了解决窜流问题的工程措施,定量分析了其有效程度,并提出窜流措施有效率的概念;将设置通风横洞或天窗的通用工程措施分为上游隧道送新风、上游隧道排污风、下游隧道送新风和下游隧道排污风等4大类,利用Fluent软件通过实例模拟验证了定量分析的正确性。结果表明:4种措施中下游隧道送新风的有效程度最高。

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