• Proceedings of KOSOMES biannual meeting
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• 2018.06a
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• pp.160-160
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• 2018

• JOURNAL OF ELECTRICAL WORLD
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• s.313
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• pp.75-80
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• 2003

에너지와 환경을 조화시킨 자원순환형 사회의 실현을 위해 하수처리장에서도 하수열이나 소화가스 등의 미이용(未利用)네어지의 유효활용이 기대되고 있다. 소화가스는 하수처리장에서 발생하는 에너지 중에서는 큰 비중을 차지하고 있으나 소화조의 가온을 위해 사용되고 있는 정도로 반드시 유효하게 활용되고 있다고는 말할 수 없다. 또 가스엔진의 코제너레이션에 의해 유효하게 할용되고 있는 처리장도 있으나 메인터넌스 비용 등의 문제로 보급되고 있지 않은 것이 실제의 상황이다. 한편, 마이크로가스터빈은 그 구조의 심풀성 때문에 가스엔진과 비교하여 메인터너스 비용의 저감이 기대되고 있어, 소화가스를 연료로 하는 코제너레이션 시스템으로서 앞으로의 보급이 기대되는 발전시스템이다. 그래서 소화가스의 마이크로가스터빈용 연료로서의 적용을 위한 검증과 운영상의 과제를 밝힐 것을 목적으로 북견시 정화센터의 처리장 내에 설치하여 실증시험을 하고 있다. 지금까지 약 4,000시간의 운전실적에서 소화가스에 기인하는 본질적인 문제도 없고 시스템이 안정되게 동작하는 것을 확인하였다. 또한 실증시험설비에는 마이크로가스터빈의 운전상태를 24시간 리모트 감시하는 리모트감시장치를 설치하고 있는데, 운전데이터의 파악과 이상 발생시의 고장진단/기술검토에 유효하게 사용되었다.

• Journal of the Society of Disaster Information
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• v.12 no.1
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• pp.89-97
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• 2016

According to the statistics released by Ministry of Public Safety and Security, the number of restaurant fires in Korea reached around 2,400 and 169 damages of human life and damages to property was approximately over $8.8 billion for recent 3 years. It could be desirable having automatic commercial fire-extinguishing equipment at commercial facilities excluding housing facilities for the safety, applying at the place first where it has been more risky and expected fire can be occurred relatively because economical burden can be accelerated. In order to do this, adjust its level to meet the same level of the kitchen for 'Specific Target for Fire Fighting' that "gas leak alarm" has be equipped relevant regulations and it is considered and reasonable to expand the limit of application gradually.

• Fire Science and Engineering
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• v.28 no.2
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• pp.14-19
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• 2014

A current standard exist only on the surface tension in the current domestic wetting agent technology standards, so it is difficult to the performance evaluation of the wetting agent through the standard. So this study presents the optimized performance evaluation methods by scale model experimental equipment in order to present techniques for performance evaluation of wetting agents. The purpose of this study is to investigate validity of experimental results of the self-designed scale model experiment equipment by a comparative analysis of experimental results of the NFPA 18 experiment and the experiment using the self-designed scale model experiment equipment. As a result of a comparative analysis of experimental results of the NFPA 18 experiment that evaluate only the permeation performance on the contton and the experiment using the self-designed scale model experiment equipment that evaluate the permeation performance and fire extinguishing performance on wood flour, the discrimination of the permeation performance was confirmed in both the NFPA 18 experiment and the self-designed scale model experiment equipment. And a result of self-designed experiment equipment have clear discriminatory more than NFPA 18 by internal temperature measurement using the thermocouples.

• Fire Protection Technology
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• s.40
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• pp.12-19
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• 2006

• 방재와보험
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• s.5
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• pp.54-61
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• 1976

• 방재와보험
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• s.20
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• pp.59-64
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• 1983

• Journal of the Korean Society of Hazard Mitigation
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• v.9 no.5
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• pp.63-68
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• 2009

This study describes to analyze foam mixing characteristics in steady state to enhance the performance of proportioner for foam system designed to accurately proportion a foam liquid concentrate into a water stream up to constant concentration. The proportioner developed is experimentally evaluated in performance evaluation system consisted of a pump, tanks, pressure gauges, flow meters, a nozzle. As a result, the foam mixing performance of the line proportioner is found to increase with increased the water flow rate due to the venturi effect and with increased the cross-sectional area of the orifice and is analysed with 3 % in the error rate of $\pm4%$. For the pressure proportioner, the foam mixing performance is analyzed to increase with increased the water flow rate and with increased the inlet pressure and is analysed with 3% in the error rate of $\pm2%$.

• Proceedings of the Korea Institute of Fire Science and Engineering Conference
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• 2006.04a
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• pp.109-113
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• 2006

• Fire Science and Engineering
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• v.15 no.4
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• pp.78-85
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• 2001

This dissertation is research on the fireproof characteristic of molded transformer and the extinguishable characteristics of the NAF S-III. As the research method, a theoretical examination has been made for the combustion process of epoxy resin, which was the main material of molded transformer, and extinguishing process of NAF S-III, which has recently been used in the clean extinguishable chemicals. Furthermore, for its proof, the experiments on combustion and extin-guishment on molded transformer has been performed. By installing the actual molded transformer in and artificial the horizontal heating furnace which has similar conditions with the electrical substation, and after subsequently ignited, the extinguishing process has been observed by classifying it into the natural extinguishment of the ignited transformer, and extinguishable chemical in NAF S-III has been injected. The volume of injected extinguishable chemical was the economical amount which was equipped with the extinguishable capability on the molded transformer under combustion, and it was calculated with the Announcement of the Ministry of Government Administration and Home Affairs as the basis. With the injection of the calculated extinguishable chemicals, the ignited transformer has completely extinguished within one minute.