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基于数值模拟的地下交通联系隧道通风方式的研究 被引量:1

The Research on Ventilation System of Urban Traffic Link Tunnel Based on Numerical Simulation
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摘要 随着城市地下交通联系隧道的兴建,其通风排烟系统的设计日益受到关注。由于城市地下交通联系隧道比一般隧道更为复杂,因而其排烟模式的研究备受瞩目。本文通过对比不同地下交通联系隧道的通风方式,对地下交通联系隧道通风系统设计原则提出了建议。总结了自然通风方式、全横向通风方式、半横向通风方式以及纵向通风方式的适用范围。通过数值模拟,对比不同间距的射流风机组对风速的影响,提出了射流风机组的间距不宜过大,且宜靠近送风端以及数值模拟中网格划分时可采用非结构化网格与结构化网格相结合的观点。 As the construction of urban traffic link tunnel, the design of the ventilation and smoke exhaust system has attracted more and more attention.Comparing with the general tunnel, the urban traffic link tunnel is more complex, so that it has attracted many researchers attention to study on the model of smoke exhaust.In this paper, some recommendation of the design principles of urban traffic link tunnel has been proposed by comparing the ventilation system of different urban traffic link tunnels.The applicable scope of natural ventilation system, transverse ventilation system, half transverse ventilation system and longitudinal ventilation system has been summarized.Through comparative analysis of the influence on velocity that the distance between jet fans,the point that the distance between jet fans shouldn't be too long and the jet fans should be set closed to the supply side had been put forward.The point that when meshing the unstructured grid can be used combined with structured grid had also been put forward.
作者 潘洁
出处 《低碳世界》 2016年第27期231-233,共3页 Low Carbon World
关键词 地下交通联系隧道 通风系统 数值模拟 urban traffic link tunnel ventilation system numerical simulation
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