Earticle

초록

영어

This study evaluated the fire spread prevention performance of a vertical fire screen-based fire response solution for EV fires in underground parking lots via full-scale experiments. The system integrates a fiber-glass screen deployed from a ceiling-mounted shutter box with sprinklers, forming a water film that blocks radiant heat to adjacent vehicles. Domestic regulations were found inadequate— particularly height restrictions preventing fire truck access. Initial thermal runaway occurred 14 min after off-gas observation, approximately 40% longer than the Cheongna incident (~10 min), confirming a conservative engineering scenario. Second and third runaways at 25 min 23 sec and 28 min 40 sec demonstrated EV re-ignition behavior. Adjacent vehicle surfaces were maintained at 26 – 42 °C with no post-test carbonization, verifying fire spread prevention. Limitations include sustained ceiling temperatures of 331– 521 °C (exceeding the 500°C structural threshold per Eurocode 2), a 33-second detector activation delay, and off-gas accumulation causing deflagration and flashover. These results highlight the need for early off-gas detection, ventilation integration, and structural thermal analysis for comprehensive EV fire safety.

목차

Abstract
1. 서론
1.1 연구배경 및 목적
1.2 화재대응솔루션의 정의 및 개요
1.3 연구범위 및 방법
2. 이론적 배경
2.1 국내 전기차 화재안전대책 및 관련 법령·기준
2.2 지하주차장 전기차 화재 발생 사례
2.3 전기차 화재 대응기술
3. 지하주차장 전기차 화재대응 실증 Test Bed
3.1 Test Bed 설계 및 구축
3.2 수직방화스크린 기술적 사양
3.3 소방시스템 구성
3.4 실험 차량 및 열폭주 유도 시스템
3.5 실증실험 시나리오
3.6 실증실험 모니터링
4. 실증실험 결과 및 분석
4.1 화재 전개 특성 분석
4.2 실험 종료 후 차량 손상 평가
4.3 시간경과에 따른 온도 변화 특성
4.4 수직방화스크린의 화재 전파 차단 특성 분석
5. 결론
REFERENCES

저자

• 김경상 [ Kim, Kyoung-Sang | 건설화재에너지연구원, 수석연구원 ] Corresponding Author

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