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NTIS 바로가기한국화재소방학회 논문지= Fire science and engineering, v.32 no.5, 2018년, pp.6 - 14
우태영 (미래설계엔지니어링(주)) , 진의 (강원대학교 소방방재연구센터) , 정영진 (강원대학교 소방방재공학과)
This study was carried out with respect to the heat release rate (HRR) properties of building wood. Heat release characteristics were measured using a cone calorimeter (ISO 5660-1) with four kinds of wood. The time to ignition measured after the combustion in
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핵심어 | 질문 | 논문에서 추출한 답변 |
---|---|---|
시차열분석(Differential thermal analysis, DTA)이란 무엇인가? | 시차열분석(Differential thermal analysis, DTA)은 시료를 일정한 속도로 가열 혹은 냉각시켰을 때 기준물질과 시료와의 온도 차이를 읽어 이를 열량의 변화로 환산하는 실험법이다. 온도차가 생기는 것은 시료에 발열 혹은 흡열 반응이 일어나고 이것은 화학반응이 일어났다는 것을 의미하며 이러한 원리를 이용하여 목재의 열분해특성을 측정할 수 있다. | |
목재-폴리프로필렌 복합재에 팽창 흑연과 활석을 혼합 시, 숯 잔유물의 증가가 일어난 이유는 무엇인가? | 암모늄 폴리 포스페이트로 처리한 동일한 복합체와 비교한 결과 숯 잔유물이 증가되었고 최대열방출률과 총열방출량을 감소되었다. 숯 잔유물의 증가는 팽창흑연이 목질 복합재의 잔류물에 팽창된 흑연 층을 추가 하여 기저 물질이 완전 연소를 방해하기 때문이라고 보고하였다(10). Martinka등은 가연성 액체인Ethyl tert-butyl ether (ETBE)의 화재 위험을 열방출율(Heatrelease rate), 비질량감소율(Specific mass loss rate) 및 CO 생산량 값을 기준으로 평가했다(11). | |
목재가 건축 재료로서 가진 단점은 무엇인가? | 천연 산림 자원이 전 세계적으로 크게 감소하고 있지만 목재는 재활용이 가능하고 환경오염이 낮으므로 효과적인 사용 가능성이 높다. 그러나 다른 건축 재료들에 비해 가연성이 크므로 화재 안전측면에서 많은 취약성을 가지고 있다. |
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