대한기계학회논문집A (Transactions of the Korean Society of Mechanical Engineers A)

  • 제34권7호
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  • Pages.897-903
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  • 2010
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  • 1226-4873(pISSN)
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  • 2288-5226(eISSN)
대한기계학회 (The Korean Society of Mechanical Engineers)
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폭발방지를 고려한 LPG 저장탱크 최적설계

Optimization of Explosion Prevention for LPG Storage Tanks

  • 임사환 (한국기술교육대학교 기계공학과) ;
  • 허용정 (한국기술교육대학교 메카트로닉스공학부) ;
  • 손석우 (한국기술교육대학교 메카트로닉스공학부) ;
  • 임재기 (한국기술교육대학교 메카트로닉스공학부) ;
  • 이종락 (한국가스안전공사 가스안전교육원)
  • Leem, Sa-Hwan (Dept. of Mechanical Engineering, Korea Univ. of Technology and Education) ;
  • Huh, Yong-Jeong (School of Mechatronics Engineering, Korea Univ. of Technology and Education) ;
  • Son, Seok-Woo (School of Mechatronics Engineering, Korea Univ. of Technology and Education) ;
  • Lim, Jae-Ki (School of Mechatronics Engineering, Korea Univ. of Technology and Education) ;
  • Lee, Jong-Rark (Institute of Gas Technology Training, Korea Gas Safety Corporation)
  • 투고 : 2010.04.13
  • 심사 : 2010.06.07
  • 발행 : 2010.07.01
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초록

자동차 연료로 가스를 사용하는 것은 '삶의 질' 향상을 넘어 '생존'의 문제로 환경보존과 경제발전을 조화롭게 추구하는 '지속가능한 발전'이란 새로운 패러다임에 부흥하고 있다. 하지만 가스사용이 늘어나면서 폭발과 화재에 의한 인명피해가 해마다 발생하고 있으며, 대규모 저장시설에서의 가스 사고는 사회적으로 심각한 문제를 야기하고 있다. 따라서 본 논문에서는 지하 격납 저장탱크에서의 폭발발생을 최소화하기 위하여 한정된 내용적과 화염에 노출되는 표면적을 최소로 하는 폭발방지를 고려한 최적의 저장탱크를 설계하였다. 본 연구를 통하여 최적조건의 저장탱크를 설계한 결과, 20ton 저장탱크는 직경 3m, 길이 4.83m일 때 지하 격납 공간이 최소가 되었으며, 화염에 노출되는 표면적은 기존의 저장탱크에 비하여 89.4%로 줄어들어 안전성이 향상되었다.

Used gas to the vehicle fuel are the problems of the 'survival' beyond the 'quality of life' improvements and revive a new paradigm of 'sustainable development' which pursues economic development in harmony with environmental conservation. However, the fatalities caused by explosions and fires increases every year with the increase in the use of LPG; gas accidents in large-scale storage facilities also cause severe damage to property. In this study, a suitable storage tank is designed in which the surface area of the fuel exposed to flames is minimized in order to prevent explosions; thus, the occurrences of explosions in underground storage tanks can be minimized. According to the optimum design of storage tank obtained in this study, underground containment space was minimized; the minimized diameter and length of a 20-ton storage tank was 3 m and 4.83 m, respectively. Thus, safety was ensured since surface area exposed to flames decreased by 89.4%, which is less than the exposed surface area in the currently used storage tanks.

키워드

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