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Experimental Study on the Fire Smoke Characteristics of an Insulated Wire Jacket for Indoor Wiring Using a Smoke Density Chamber

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영문명
Experimental Study on the Fire Smoke Characteristics of an Insulated Wire Jacket for Indoor Wiring Using a Smoke Density Chamber
발행기관
한국화재소방학회
저자명
Seonhyo Lee Joonho Jeon
간행물 정보
『International Journal of Fire Science and Engineering』Vol. 38, No. 1, 1~9쪽, 전체 9쪽
주제분류
공학 > 공학일반
파일형태
PDF
발행일자
2024.03.31
4,000

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국문 초록

Department of Fire Protection Engineering, Pukyong National University, 45 Yoongso-ro, Nam-gu, Busan 48513, Republic of Korea (Received November 20, 2023; Revised December 5, 2023; Accepted December 11, 2023) Abstract: A wire jacket that prevents leakage of electric current flowing through wires is made of polymer composites. The flame spreads widely with a large amount of smoke passing through the wire jacket when a fire occurs. As smoke hinders safe evacuation, it is important to determine the smoke characteristics of the wire jacket for safe evacuation. Therefore, in this study, the specific optical density was measured for 1800 s in the presence and absence of ignition flame under a radiant heat flux of 25 kW/m2 according to the ISO 5659-2 combustion chamber method. From the experimental results, the extinction coefficient and visibility indicating the degree of transmission of light and VOF4 indicating the smoke density characteristics at the beginning of combustion were derived. The experiment was conducted with a wire jacket comprising PVC and a wire jacket comprising XLPE of low-toxicity flame-retardant cross-linked polyolefin. The maximum specific optical density was higher for PVC than for XLPE with and without the ignition flame. Except for the case of XLPE with an ignition flame, the extinction coefficient of the wire jacket was > 3.5 m-1, with a visibility of 0.2-2 m. PVC exhibited a higher maximum specific optical density in the absence of the ignition flame than in the presence of the ignition flame; however, VOF4 was higher in the presence of the ignition flame.

영문 초록

목차

1. Introduction
2. Experimental Methods and Conditions
3. Results and Discussion
4. Conclusions
Author Contributions
Conflicts of Interest
Acknowledgments
References

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APA

Seonhyo Lee,Joonho Jeon. (2024).Experimental Study on the Fire Smoke Characteristics of an Insulated Wire Jacket for Indoor Wiring Using a Smoke Density Chamber. International Journal of Fire Science and Engineering, 38 (1), 1-9

MLA

Seonhyo Lee,Joonho Jeon. "Experimental Study on the Fire Smoke Characteristics of an Insulated Wire Jacket for Indoor Wiring Using a Smoke Density Chamber." International Journal of Fire Science and Engineering, 38.1(2024): 1-9

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