[논문]유기 단열재의 화재위험성 등급 평가

유지선; 전남; 정영진

doi:10.14478/ace.2021.1047

[국내논문] 유기 단열재의 화재위험성 등급 평가
Fire Risk Rating Evaluation of Organic Insulation Materials 원문보기

공업화학 = Applied chemistry for engineering, v.32 no.4, 2021년, pp.417 - 422

유지선 (강원대학교 소방방재연구센터) , 전남 (한국건설생활환경시험연구원) , 정영진 (강원대학교 소방방재공학과)

초록
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본 연구에서는 유기 단열재인 poly isocyanurate foam (PIR), poly urethane foam (PUR), phenol foam (PF)을 선정하여 ISO 5660-1의 기준에 따라 콘칼로리미터(cone calorimeter)를 이용하여 측정하였다. 화재위험성 평가를 표준화하기 위하여 기준물질(PMMA)을 사용하여 Chung's equations-III와 Chung's equation-IV에 의한 화재위험성을 등급화하여 평가하였다. Chung's equations-II의 화재성능지수-II 값은 PF가 14.77 s²/kW로 화재성능지수-II가 가장 높았고, PUR이 0.08 s²/kW로 화재성능지수-II가 가장 낮았다. 화재성장지수-II 값은 PF가 0.01 kW/s²로 화재성장지수-II가 가장 낮았고, PUR이 1.14 kW/s²로 화재성장지수-II가 가장 높았다. Chung's equations-III의 화재성능지수-III에서 PUR이 0.11로 화재성능지수-III가 가장 낮게 나타났고, PF가 20.23으로 화재성능지수-III가 가장 높았다. FGI-III에서는 PUR이 14.25로 화재성장지수-III가 가장 높게 나타났고, PF가 0.13으로 가장 안전한 물질로 판단하였다. 그리고 Chung's equation-IV의 화재위험성지수-IV는 PUR (130.03) >> PIR (19.13) > PMMA (1.00) > PF (0.01)의 순서로 나타났다. 따라서 PF가 화재위험성이 가장 낮고, PUR이 가장 높은 것으로 판단하였다.

Abstract ▼ AI-Helper

In this study, poly isocyanurate foam (PIR), poly urethane foam (PUR), and phenol foam (PF) of organic insulation materials were selected, and investigated using a cone calorimeter, as per ISO 5660-1. Standard materials (PMMA) were used to standardize the fire hazard assessment, and the fire risk was classified and evaluated by Chung's equations-III and IV. The fire performance index-II value of Chung's equations-II was the highest value with PF of 14.77 s2/kW. And the PUR was 0.08 s2/kW, the lowest value of fire performance index-II value. The fire growth index-II value was the lowest value with PF of 0.01 kW/s2. And the PUR was 1.14 kW/s2, the highest value of fire growth index-II value. The fire performance index-III (FPI-III) of Chung's equations-III had the lowest value for PUR (0.11) and the highest for PF (20.23). The PUR showed the highest value of the fire growth index-III (FGI-III) as 14.25, while the PF exhibited 0.13 regarded as the safest materials. The fire risk index-IV (FRI-IV) value of Chung's equation-IV was in the following order: PUR (130.03) >> PIR (19.13) > PMMA (1.00) > PF (0.01). Therefore, it was concluded that the fire risk associated with PF is the lowest, whereas that associated with PUR is the highest.

Keyword

표/그림 (8)

표 Table 1. Formulation of Poly Isocyanurate Foam and Poly Urethane Foam
그림 Figure 1. The heat release rate curves of insulation materials at 50kW/m² external heat flux.
그림 Figure 2. The smoke production rate curves of insulation materials at 50 kW/m² external heat flux.
표 Table 2. The Range of Density and Thermal Conductivity for Each Insulation Material[17]
표 Table 3. The Overall Heat Characteristic for Each Insulation Material at 50 kW/m² External Heat Flux
표 Table 4. Calculated Fire Performance Index-II at 50 kW/m² External Heat Flux
표 Table 5. Calculated Fire Growth Index-II at 50 kW/m² External Heat Flux
표 Table 6. Fire Risk Index-IV of Plastics at 50 kW/m² External Heat Flux

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