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A Simple Model for Predicting Fire Growth Behavior of Flexible Polyurethane Slab in a Compartment

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영문명
발행기관
한국화재소방학회
저자명
Yimeng Cui Kazunori Harada, Daisaku Nii
간행물 정보
『International Journal of Fire Science and Engineering』Vol. 39, No. 2, 63~81쪽, 전체 19쪽
주제분류
공학 > 공학일반
파일형태
PDF
발행일자
2025.06.30
5,080

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논문 표지

국문 초록

Predicting the characteristics of fire spread in buildings is crucial for fire safety design. This paper presents a simple model for predicting fire growth behavior of a flexible polyurethane slab in a compartment. The model consists of a fire growth model and a two-l ayer zone model. As for the fire growth model, six flame geometries were proposed to calculate the radiation from flame and the flame impingement on the ceiling. The smoke layer temperature and radiation interexchange were calculated by an improved two-layer zone model for smoke transport. As a result, radiation feedback to polyurethane slab was calculated in terms of internal radiation from flame and external radiation from extended flame, heated ceiling surfaces and the smoke layer. The effect of external radiation is considered to predict the increase in fire spread rate and heat release rate from the fire source. The accuracy of the model was verified by comparing calculated values with experimental values carried out by Akao et al. It was found that the fire growth behavior was well predicted when the ceiling is high, and slightly over predicted when the ceiling is low.

영문 초록

목차

1. Introduction
2. Calculation Methods
3. Model Validation
4. Conclusions
References

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APA

Yimeng Cui,Kazunori Harada, Daisaku Nii. (2025).A Simple Model for Predicting Fire Growth Behavior of Flexible Polyurethane Slab in a Compartment. International Journal of Fire Science and Engineering, 39 (2), 63-81

MLA

Yimeng Cui,Kazunori Harada, Daisaku Nii. "A Simple Model for Predicting Fire Growth Behavior of Flexible Polyurethane Slab in a Compartment." International Journal of Fire Science and Engineering, 39.2(2025): 63-81

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