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(사)한국터널지하공간학회

ISSN : 2233-8292

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Vol.19 No.3

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A study on the program development for optimizing the supply and exhaust port opening ratio in road tunnels with transverse ventilation system

(사)한국터널지하공간학회 / (사)한국터널지하공간학회, (P)2233-8292; (E)2287-4747
2017, v.19 no.3, pp.517-532
https://doi.org/10.9711/KTAJ.2017.19.3.517





& (2017). A study on the program development for optimizing the supply and exhaust port opening ratio in road tunnels with transverse ventilation system. (사)한국터널지하공간학회, 19(3), 517-532, https://doi.org/10.9711/KTAJ.2017.19.3.517

Abstract

The transverse ventilation system, commonly applied to urban tunnel, is necessary to be distributed with airflow uniformly. In this study, we developed a program that can optimize the opening ratio of ports to ensure ventilation performance of design criteria through a uniform airflow distribution even though ventilation interval becomes longer. And program’s prediction performance was verified by comparison with TUNVEN DUCT program. For comparison, Semi-transverse ventilation system was applied. Both programs predicted a similar port size and air flow distribution, and the variation range of the calculated values was 11.71% and 1.36%, respectively. This program is very useful for port optimization design of transverse and semitransverse ventilation system, because it is possible to analyze various tunnel lengths and supply/exhaust port installation conditions.

keywords
Transverse ventilation system, Ventilation performance, Uniform airflow distribution, Port opening ratio, Optimization, 횡류식 환기시스템, 환기 성능, 균일 풍량 분배, 포트 개도율, 최적화

Reference

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