• Proceedings of the Korea Institute of Fire Science and Engineering Conference
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• 2013.04a
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• pp.113-113
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• 2013

• Fire Science and Engineering
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• v.23 no.5
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• pp.50-56
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• 2009

Explosion limit and autoignition temperature are the major properties used to determine the fire and explosion hazards of the flammable substances. Explosion limit and autoignition temperature for safe handling of ethylene were investigated. By using the literatures data, the lower and upper explosion limits of ethylene recommended 2.6vol% and 36vol%, respectively. Also autoignition temperatures of ethylene with ignition sources recommended $420^{\circ}C$ at the electrically heated crucible furnace (the whole surface heating) and recommended about $800^{\circ}C$ in the local hot surface. The new equations for predicting the temperature dependence and the pressure dependence of the lower explosion limits for ethylene are proposed. The values calculated by the proposed equations were a good agreement with the literature data.

• Proceedings of the Korean Institute of Industrial Safety Conference
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• 1997.05a
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• pp.91-94
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• 1997

반도체의 생산공정은 생산제품의 특성상 많은 종류의 위험물과 가스를 이용하는 것이 보통이지만, 자동화가 이루어진 대부분의 작업공정과는 달리, 작업자에 의해 직접 이루어지는 것이 보통이다. 이때 작업자의 사소한 실수나 과오로 인해 일단 누출등의 사고가 발생하면, 취급물질 자체의 위험성으로 인해 인명 피해, 화재 및 폭발 둥의 2차 대형재해를 초래할 수 있기 때문에, 반도체공장의 어느 누구도 그 위험성에 대해 과소평가하지 않는 것이 현실이다. (중략)

• 프린팅코리아
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• s.24
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• pp.144-147
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• 2004

오늘날 우리네 일상은 과학기술로 구성되거나 매개된다. 정보처리기술, 유전공학기술 등 과학기술이 급속하게 혁신됨으로써 새로운 지식정보가 쏟아져 나오고 있다. 그러나 기술문명이 발전할수록 물질적인 풍요는 늘어날지 모르지만 정작 우리의 삶은 점전 불안하고 위태롭고 피폐해지는 상황이 전개되고 있다. 새로운 지식정보를 기반으로 현대사회가 날로 복잡해지고 있으며, 인간의 삶의 질을 위협하는 위험요소가 빠른 속도로 증가하고 있는 것이다. 비행기 사고, 건물 붕괴 및 화재, 도시가스 폭발 등 공학 시설에서의 대형사고, 교통사고와 환경오염, 지하철 안전사고, 식품 및 의약품 위해성, 핵발전소 누출과 화학공장의 폭발위험, 유전공학에 의한 생명조작 등은 끊임없이 우리의 삶을 위협하고 있다.

• Journal of the Korean Institute of Gas
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• v.26 no.6
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• pp.1-8
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• 2022

With the development of the chemical industry, related accidents frequently occur, and fire and explosion accidents account for a large proportion. In order to prevent fire and explosion accidents, places that handle flammable liquids are classified according to the Korean Industrial Standards (KSC IEC60079-10-1) in accordance with the relevant laws. The same applies to laboratories dealing with flammable liquids. This paper verified the applicability of the procedure for classifying explosion hazard areas according to the Korean Industrial Standards when flammable liquid release from the laboratory to form an evaporative pool, and also verified the effect of a change in ventilation speed on the release characteristics. Through this, it was found that it was difficult to apply the criteria for the classification of places at risk of explosion according to the Korean Industrial Standards, and special safety measures should be prepared.

• Fire Science and Engineering
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• v.26 no.4
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• pp.63-69
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• 2012

Explosion limit is one of the major combustion properties used to determine the fire and explosion hazards of the flammable substances. In this study, the lower explosion limit (LEL) and upper explosion limit (UEL) of organic halogenated hydrocarbons were predicted by using the heat of combustion and chemical stoichiometric coefficients. The calculated explosion limits by the proposed equations agreed with literature data within a few percent. From the given results, using the proposed methodology, it is possible to predict the explosion limits of the other organic halogenated hydrocarbons.

• Fire Science and Engineering
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• v.16 no.4
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• pp.49-58
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• 2002

A large number of accidents at an underground place have been happening, including the gas explosion under construction of subway; the fires of underground utility and underground shopping malls, and other explosion, at home and abroad recently. These accidents make the function of a city ineffective due to the paralyses of electricity and communications net as well as the loss of property and cause people to feel unsecured with accompaniment of a heavy of toll of lives. This research will show evaluation methods of a numerical value of expected average loss space of combustion with the use of probability in order to present potential risk of combustion growth that underground space might cause, and how designer decides a system that enables us to compare and evaluate relatively the effectiveness of measures for preventing burning by calculating the expansion route and the damage size of burning in case of fire.

• Fire Science and Engineering
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• v.27 no.3
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• pp.47-51
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• 2013

The explosion limit is one of the major combustion properties used to determine the fire and explosion hazards of the flammable substances. The explosion limit of organic acids have been shown to be correlated the heat of combustion and the chemical stoichiometric coefficients. In this study, the lower explosion and upper explosion limits of organic acids were predicted by using the heat of combustion and chemical stoichiometric coefficients. The values calculated by the proposed equations agreed with literature data within a few percent. From the given results, using the proposed methodology, it is possible to predict the explosion limits of the other organic acids.

• Congress of the korean instutite of fire investigation
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• 2010.12a
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• pp.147-171
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• 2010

도장작업은 기계 기구, 금속, 자동차, 전기 전자, 선박, 가구제조업 등 각종 사업장에서 많이 취급되고 있는 작업으로서 취급물질이 대부분 합성수지 유기용매 등 인화성 또는 가연성 액체이거나 가연성 분체로서 용매 또는 분진으로 인한 폭발 화재의 위험성이 아주 높은 실정이다. 보통 4류 위험물의 유증기는 공기보다 무겁다 라는 생각으로 발생된 모든 유증기는 위험물 인근에 체류할 것이라는 생각을 하지만 상온에서 증발한 유증기 대부분은 인근의 대기와의 밀도차에 의해 주변으로 흩어지거나 연소하고 중량(重量)의 유증기만이 남아 화재조사에서 중요한 단서로 역할을 한다. 대부분분의 페인트 제품이 가열과 동시에 끊기 시작해서 비등점 측정이 어려웠고 발화점이 비슷한 다른 페인트에 비해 중량(重量)유증기 발생이 단시간 동안 낮은 온도에서 많이 발생한 것은 페인트의 안료가 유증기 발생을 방해해서 시너의 유증기 발생량과 동일한 양의 페인트 유증기 발생시간이 더 걸린 것 같다. 대부분의 유증기는 집진시설을 통해 A/C타워의 활성탄에 흡착되어 제거된다. 하지만 슬러지에 남아있는 희석제는 A/C타워를 정지하고 집진시설등의 배관에 있는 슬러지 청소 과정에서 주위 열원에 의해 많은 유증기를 발생하여 화재의 위험성이 존재함으로 작업자의 각별한 주의가 필요하다.

• Fire Science and Engineering
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• v.29 no.1
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• pp.80-86
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• 2015

This study analyzed recent cases of ship fires explosions and investigated their problems and coping plans. Through analysis on the statistical figures, it was found that our nation's situations of maritime accidents by kind during the period of 2009~2013 showed the ratios of ship accidents caused by fires explosions was the highest in 2012 with 7.58% (55 cases) followed by year 2009 with 3.39% (34 cases), year 2010 with 3.39% (25 cases), year 2011 with 6.03% (57 cases) and year 2013 with 6.74% (43 cases), which indicates a steady increase in the number of ship accidents. Majority of reasons for ship fires explosions were lack of safety awareness. Since those accidents happen on the sea, fires, once they happen, tend to get serious due to absence of on board & nearby fire extinguishing facilities, public fire service's uneasy access to them and great influences of natural factors such as wind and etc. Ship fires explosions are special cases unlike what happens to general edifices. So, their coping plans should focus on preventive measures since the damages those cases bring about can be detrimental. For this reason, it's necessary to research precise evacuation plans, develop ship structure & materials reinforcing fire resistance to secure more time for evacuation and enhance people's safety awareness by implementing thorough safety training.