Journal of the Korean Institute of Gas (한국가스학회지)
- Volume 6 Issue 1 Serial No. 17
- /
- Pages.74-80
- /
- 2002
- /
- 1226-8402(pISSN)
- /
- 2713-6922(eISSN)
Investigation of Ventilation Efficiency for the Natural Gas High Pressure Release in an Underground Valve Station
지하 공급관리소내 천연가스 고압분출시 환기효율성 검증
Abstract
This study was carried out for the purpose of safety evaluation about the ventilation system (according to the structure of confined room, the position and size of vent window, the amount of blowing air, e.t.c.), which is equipped in one of KOGAS underground valve stations. Particularly, the effect of the fans placed in the upper region was focused in detail. Numerical simulation was conducted in order to predict the features of flow pattern and the diffusion of natural gas concentration. This work examined the ventilation system and resulted in proposing an optimal design of ventilation system.
지하공간에서 천연가스가 고압으로 분출될 때, 이에 응하여 작동되는 환기시스템이 전체 지하공간 내 유동에 미치는 영향은 매우 크며 이에 대한 적정한 선계는 안전성 확보측면에서 매우 중요한 일이다. 본 연구에서는 천연가스 분출 비상시의 유동을 전산해석을 통하여 반밀폐공간 내 천연가스의 농도분포 및 유동특성을 규명함으로써, 내부유동을 가시화하고 상부 환기팬 유
Keywords