| Based on the key projects such as Qinling Zhongnanshan extra-long highway tunnel operating ventilation bottleneck technologies research and the long highway tunnel stimulation and experiment technologies research, the article carried out 3-dimensional numerical research on the Qinling Zhongnanshan extra-long highway tunnel longitudinal operating plenum ventilation with three shafts mainly. By using one of the most popular CFDFEM software——CFDesign, the article carried out numerical research on thelocal parts which are most concerned in engineering design effectively with the result to draw series of conclusions and coefficients useful in highway tunnel ventilation engineering design.Also the article did a lot work on the whole ventilation system simulation such as one shaft plenum ventilation system ,two shafts plenum ventilation system as well as three shafts plenum ventilation system with the goal to get some useful conclusions to direct highway tunnel ventilation design. |
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