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Fire Science and Engineering 2008;22(4):11-19.
Published online November 30, 2008.
소형선박 기관실의 자연발화 방지를 위한 환기조건에 관한 연구
박찬수
목포해양대학교 기관시스템공학부
A Study on the Ventilation Conditions for the Prevention of Spontaneous Combustion of Small Ship Engine Room
Park Chan-Su
요약
소형선박 기관실의 자연발화 방지를 위한 적합한 환기조건을 제시하기 위하여 급, 배기구 수와 위치를 변화시키면서 나타나는 유동장과 온도장을 CFD시뮬레이션을 수행하여 분석하였다. 급, 배기구 수와 위치에 따라 유동형태가 상이하게 나타났으며, 배기구를 천장에 배치시킬 경우는 세로대칭선에 대해 좌우 측천장의 중앙에 위치하는 것이 열 제거에 더 효과적임을 알 수 있었다. 급, 배기구 수를 증가시킬 때는 배기구수를 증가시키는 것이 더 적합한 환기조건이며, 소형선박 기관실의 자연발화방지에 가장 적합한 환기조건은 급기구는 가로대칭선에 대해 전후 측 천장의 중앙에, 배기구는 양측 벽 중앙에 배치시키는 경우로 예측되었다.
Abstract
In order to show the most suitable ventilation conditions for the prevention of spontaneous combustion of small ship engine room, We have performed CFD simulation and analyzed flow and temperature fields. The flow patterns indicated differently according to the number and location of supply and exhaust opening. The case of locating the exhaust openings at the center of left and right side ceiling to the longitudinal symmetric line were more effective to eliminate the generated heat. When the number of supply and exhaust openings were increased, the case of increasing the number of exhaust opening showed more suitable ventilation conditions. The most suitable ventilation conditions in order to prevent the spontaneous combustion of small ship engine room was predicted that the supply opening located at the center of front and after side ceiling to across symmetric line, and the exhaust opening located at the center of both side walls.
Key Words: Ventilation conditions, Small ship's engine room, Temperature fields


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