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Journal of the Korean Society of Hazard Mitigation 2014;14(2):169-176.
Published online April 30, 2014.
산불 소화시설에 바람이 미치는 효과 연구
김균호, 신종현, 장세명, 서영광, 이병두, 남송희
On the Effect of Wind in the Extinguishing System for Wild Forest Fire
Gyun-Ho Gim, Jong-Hyeon Shin, Se-Myong Chang, Younggwang Seo, Byungdoo Lee, Songhee Nam
Abstract
In this study, experimental and computational methods are applied for the appropriate positioning of the extinguishing system for wild forest fire, and we especially focussed on the effect of wind as an environmental condition. The fire extinguishing system is generally installed for the protection of wooden cultural properties as well as the resource of forest. Setting the experimental model around the wind farm in Bieungdo-dong, Gunsan-shi, Jeonbuk, the characteristics of three conventional nozzles are investigated, and a set of experimental correlation for the effect of wind field has been induced so far. Additionally, the numerical analysis model using a commercial code ANSYS-CFX has been made to compare with the experimental result and to extend the data for strong wind field.
Key Words: Wild Forest Fire; Extinguishing System; Wind; CFD; Unsteady Flow
요지
본 연구에서는 산불 소화시설의 적정 배치를 위하여 실험 및 계산 방법들을 활용하였으며, 특히 환경 조건으로서 바람의 효과에 주목하였다. 소화시설은 일반적으로 산림 자원 뿐 아니라 목조 문화재를 보호하기 위해 설치된다. 전북 군산시 비응도동 풍력발전소 인근에 실험 장치를 꾸며서 현재 사용되는 세 가지 노즐의 특성에 대해 연구하고, 바람장 효과에 대한 실험적 상관관계를 유도하였다. 또한 상용 코드인 ANSYS-CFX를 이용한 수치 해석을 통하여 실험 결과와 비교하고 강풍 영역까지 데이터를 확장하였다.
핵심용어: 산불; 소화시설; 바람; 전산유체역학; 비정상유동
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