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ISSN : 1229-6783(Print)
ISSN : 2288-1484(Online)
Journal of the Korea Safety Management & Science Vol.16 No.3 pp.165-173
DOI : https://doi.org/10.12812/ksms.2014.16.3.165

화염 그림자 분석을 통한 최초 발화지점 확인에 관한 연구

이 승 훈*, 최 민 기**, 최 돈 묵**
*서울지방경찰청 과학수사계 화재폭발조사팀, **가천대학교 소방방재공학과

A Study on Determination of Fire Origin by Shadow analysis

Seunghun, Lee*, Minki, Choi**, Donmook, Choi**
*Div. CSI Seoul Metropolitan Police Agency
**Dept. Fire & Disaster Protection Engineering Gachon University

Received July 15, 2014; Revision Received September 14, 2014; Accepted September 19, 2014.

Abstract

This study is about determination of fire origin by using analysis of shadow that was recorded CCTV data at the fire scene. This analysis is based on straight and radiate nature of light. At fire experiment with about 1m flame, we conformed that 2-dimensional extension line is focused at the bottom of the fire. If the fire is burning at the same level with shadow, it indicate the point of origin exactly. In 3-dimensional analysis that connect extensional line between distinctive points the shadow and the objet, the line focused in the Ø 50cm-circle. We estimate the reason of that is because of the character of combustion of gases. The line indicate not the point of origin but the flame that is over the point of origin. thus, you have to consider the line indicate the flame when you do 3-dimensional analysis.
Fire investigation,Fire Origin,Shadow analysis,Fire shadow

 

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