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《China Journal of Highway and Transport》 2015-11
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Model Test System Design of Channeling Effects of Air Pollutants in Continuous Road Tunnels

XIAO Yi-min;PAN Xiao-hong;ZHANG Jin-peng;Key Laboratory of Three Gorges Reservoir Region's Eco-environment,Ministry of Education,Chongqing University;National Centre for International Research of Low-carbon and Green Buildings,Chongqing University;  
In view of the channeling effects of air pollutants in continuous road tunnels,based on the similarity principle,the similarity of the model test of the channeling effects of air pollutants in continuous road tunnels was discussed to provide reference for design of continuous road tunnel ventilation.Combined with the actual conditions,the related problems should be considered in the model test rig design.The results show that the open-air section is the focus of the study to achieve model test similarity and the similarity of speed and concentration in prototype and model can be realized when model and prototype are geometrically similar with model being turbulent jet state.The model test rig is running in good condition.The theoretical calculation results are agreement with the experimental test data,which confirms the correctness of the model test similar analysis.
【Fund】: 国家自然科学基金项目(51178482);; 中国电建集团华东勘测设计研究院科研基金项目(KY120215-08-09-W2);; 高等学校学科创新引智计划项目(B13041)
【CateGory Index】: U453.5
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