• 제목/요약/키워드: spectrum of carbonaceous fire

검색결과 2건 처리시간 0.016초

적외선 불꽃감지기 개발연구 (The Research & Development of Infra-Red Flame Detector)

  • 이복영;권오승;정창기;박상태;조성수
    • 한국화재소방학회논문지
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    • 제14권2호
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    • pp.1-6
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    • 2000
  • 가연물 연소시 불꽃의 복사에너지 Spectrum분석을 통하여 태양광, 인공광과 Flame의 spectrum특성해석으로 불꽃감지기술을 정립하였다. IR파장대의 복사에너지를 감지하기 위해 초전형 감지소자개발로 PZT소자를 개발하였으며, Band Pass Filter와 회로안정화기술을 적용한 적외선 불꽃화재감지기를 개발하였다. 시작품의 성능은 신뢰성 있는 적외선 불꽃감지기로 검증이 되었으며, 연구결과는 휘발유, 석유화학제품의 연소시 발생되는 불꽃을 조기에 감지하는 복사에너지 감지기가 개발되었다.

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UV-IR 복합형 화재감지장치 개발 (The Development of UV-IR Combination Flame Detector)

  • 이복영;권오승;정창기;박상태
    • 한국안전학회지
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    • 제16권1호
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    • pp.1-8
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    • 2001
  • All objects emit thermal radiation and this radiation is the basis of the techniques used to detect flames. The usual phenomena occurring in the initial stage of the fire are generally invisible products of a combustion and visible smoke. Liquid or gaseous materials do not undergo a smoldering stage so that fires develop very rapidly. Also, the heat generated by the initial flames is usually not sufficient to activate a heat detector. In this case the most effective criterion for automatic fire detection is the flame. According to the fire regulation of korea, the compulsory standard provided that a flame detector shall be installed in a place that the attachment height of detector is higher than 20 m, chemical plants, hangar, refinery, etc.. The results of the research and development are discriminated between a flame and other radiant emitters, developed a UV detector tube contains an inert gas which absorbs UV radiation, developed PZT pyroelectric element is based on the use of photovoltanic cell, developed IR band-pass filter that only allow a 4.3 $\mu\textrm{m}$ radiation wavelength to reach the sensors and developed UV-IR combination flame detector combined into a single detection device.

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