• Journal of the Korea Institute of Information and Communication Engineering
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• v.24 no.10
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• pp.1376-1383
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• 2020

Although studies on fire evacuation systems are increasing, studies on the evacuation of evacuees in indoor spaces are insufficient. According to the latest research, it has been suggested that the use of high frequency might be effective for identifying the location of evacuees indoors. Accordingly, in this paper, the authors intend to develop evacuation location recognition technology and fire evacuation guidance system using high-frequency and a smartphone. The entire system was developed, including an app server, evacuees location recognition unit, an evacuation route search, an output unit, and a speaker unit based on Wi-Fi communication. The experimental results proved the possibility of the effectiveness of the system in the fire situation data. It is expected that this study could be used as an essential study of a fire evacuation guidance system using high frequency data in case of fire.

• Proceedings of the Korean Institute of Industrial Safety Conference
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• 2000.06a
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• pp.186-189
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• 2000

국내의 건축물의 화재안전성 평가는 화재안전성을 고려한 공간구성, 연기의 유동, 거주자의 피난계획 및 피난성능평가, 건축물 내부에 설치된 방화설비계통의 화재안전성능평가 등을 연구하여 왔다. 그런데 이들 연구의 대부분은 건축물의 공간적 특성분석과 주거여건 등을 고려한 기초자료의 파악 및 분석 등을 국내의 여건과는 상이한 국외의 자료를 근거로 하거나 2차원적인 해석 및 평가에 그치고 있는 경향이 있다. (중략)

• Proceedings of the Korea Institute of Fire Science and Engineering Conference
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• 2013.11a
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• pp.141-142
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• 2013

철골건축물은 화재에 취약한 구조로써 내화성능 확보를 위하여 내화피복이 필수적이다. 국내에서 가장 많이 사용되고 있는 철골내화피복재는 내화뿜칠재로 폭 넓게 사용되고 있으나, 기존 제도에서 인정 당시의 내화성능은 확인이 가능하나 시간경과에 따른 내구성저하와 이에 따른 내화성능 저하가 예상된다. 이에 본 연구에서는 실내조건에서 장시간 자연폭로실험을 실시함으로써 내화뿜칠피복재의 시간경과에 따른 내화성능 저하현상을 확인하였다.

• 재활복지
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• v.21 no.3
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• pp.129-146
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• 2017

In an event of an emergency, such as fire in a building, visually impaired and blind people are prone to exposed to a level of danger that is greater than that of normal people, for they cannot be aware of it quickly. Current fire detection methods such as smoke detector is very slow and unreliable because it usually uses chemical sensor based technology to detect fire particles. But by using vision sensor instead, fire can be proven to be detected much faster as we show in our experiments. Previous studies have applied various image processing and machine learning techniques to detect fire, but they usually don't work very well because these techniques require hand-crafted features that do not generalize well to various scenarios. But with the help of recent advancement in the field of deep learning, this research can be conducted to help solve this problem by using deep learning-based object detector that can detect fire using images from security camera. Deep learning based approach can learn features automatically so they can usually generalize well to various scenes. In order to ensure maximum capacity, we applied the latest technologies in the field of computer vision such as YOLO detector in order to solve this task. Considering the trade-off between recall vs. complexity, we introduced two convolutional neural networks with slightly different model's complexity to detect fire at different recall rate. Both models can detect fire at 99% average precision, but one model has 76% recall at 30 FPS while another has 61% recall at 50 FPS. We also compare our model memory consumption with each other and show our models robustness by testing on various real-world scenarios.

• Fire Science and Engineering
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• v.25 no.3
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• pp.1-7
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• 2011

This paper studied analysis of deflagration rapid propagation of burning through only a few second and fire cause into the Busan indoor shooting range. We carried out combustion experiment of sound-absorbing materials extensively used, to analyze propagation path of burning in indoor shooting range. From the experimental results, general sound-absorbing materials were rapid burned simultaneously with ignition and in case of attached gunpowder residue, they were burning about tripled by comparison with general sound-absorbing materials. The incombustibility sound-absorbing materials had all gone out simultaneously with ignition, but they were burning similar to general type materials in case of attached gunpowder residues. In order to analysis of the cause of fire, we calculated kinetic energy of bounced off bullet, from result, if the bounced off bullet impacted gunpowder residues, the gunpowder residues were possible to ignite by the bullet.

• ICROS
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• v.13 no.1
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• pp.28-33
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• 2007

• Construction Engineering and Management
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• v.19 no.3
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• pp.65-68
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• 2018

• Fire Protection Technology
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• s.44
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• pp.13-24
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• 2008

• Proceedings of the Korean Institute of Industrial Safety Conference
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• 2004.04a
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• pp.453-458
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• 2004

• Proceedings of the Korean Society of Disaster Information Conference
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• 2017.11a
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• pp.187-189
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• 2017

본 논문에서는 승용자동차에 대한 소화기 비치 필요성 및 소화기의 효용성 및 적정성에 대해 평가하고자 한다. 이를 위해 소방청 국가화재정보센터에 입력된 차량화재를 분석하였으며, 국외 자동차용 소화기 비치기준을 조사하였다. 또한, 자동차를 대상으로 한 시뮬레이션 선행연구 결과를 분석하여 다른 차종에 비해 승용자동차의 위험도가 가장 높다. 한편, 기존의 시뮬레이션 연구결과를 분석해보면 소화기를 이용한 초기진화가 가능한 황금시간은 실내화재 시 2분, 엔진룸화재 시 약 7분 정도임을 알 수 있다. 이는 승용자동차 화재 시 소화기를 이용한 초기소화가 절실하다고 할 수 있다. 따라서 승용자동차 화재로부터 국민의 안전과 재산을 보호하고 국내 자동차 안전환경 및 자동차 안전기준을 국제기준에 맞춰 국제 경쟁력을 확보하기 위해서는 승용자동차에 소화기 비치를 의무화할 필요성이 있다.