機関室における火災感知器配置

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タイトル別名
  • Study on Location of Fire Detectors in Engine Room
  • キカンシツ ニ オケル カサイ カンチキ ハイチ

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To improve safety, local fire-fighting measures in machinery spaces, i.e., the measures for fire-extinguishing before the development of fire, are discussed in International Maritime Organization. In order to extinguish fire in engine rooms, it should be detected in its early stage of development. In view of this, fire detectors in engine rooms should be located at appropriate positions. The purpose of this research is to present a guidance for appropriate location of fire detectors in engine rooms.<BR>This paper presents the results of the investigation of fire casualties in engine rooms based on the reports of Maritime Disaster Inquiry. At first, among 553 casualties on fire and explosion in ships, those of passenger ships and cargo ships having 100 tons of gross tonnage and upward were selected. After that, casualties on fire in steel ships were selected. Finally, twenty seven casualties on fire in engine rooms were investigated in details, mainly from the view point of source of ignition. These casualties showed the following issues:<BR>1. Engine room fires mainly occurred during voyage;<BR>2. Major fuels for ignition were combustible oils; and<BR>3. Major sources of ignition were exhaust lines.<BR>As a conclusion, it is pointed out that the location of fire detectors in engine rooms should be determined by taking into account the out-break of fire at turbo-chargers, exhaust manifolds and flexible joints in the exhaust lines for its early detection.

収録刊行物

  • 日本舶用機関学会誌

    日本舶用機関学会誌 32 (6), 450-455, 1997

    公益社団法人 日本マリンエンジニアリング学会

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