A Study on Optimization of Middle Vent Shaft in Subway Tunnel Ventilation System

Fang Lin; Yan Hua Zeng; Xiao Han Zhou; Jian Feng He

doi:10.4028/www.scientific.net/AMR.838-841.1381

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 838-841A Study on Optimization of Middle Vent Shaft in...

A Study on Optimization of Middle Vent Shaft in Subway Tunnel Ventilation System

Abstract:

The air flow and temperature variation in the subway tunnel are different in the railway tunnel. Its necessary to study the middle vent shaft in subway tunnel ventilation system. According to the primary design documents of one subway line in Chengdu, the paper sets up the metros geometric model which is used in the SES program and also does the simulation analysis of the biggest transportation capacity in the line. The simulation mainly analyzes the adoption of the middle vent shaft which is located in the running tunnel between the station A and B. Meanwhile it also analyzes the influence of middle vent shaft on the nearby piston vent shaft, the wall surface temperature and the air temperature in the tunnel. Finally it takes temperature as the estimated index, analyzes the advantages and disadvantages of the middle vent shaft and makes the theoretic accounts for the design. The comprehensive analysis is that this middle vent shaft could be canceled.

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Periodical:

Advanced Materials Research (Volumes 838-841)

Pages:

1381-1386

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.838-841.1381

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Online since:

November 2013

Authors:

Fang Lin, Yan Hua Zeng, Xiao Han Zhou, Jian Feng He

Keywords:

Middle Vent Shaft, Piston Vent Shaft, Subway Environment Simulation

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References

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