에너지공학 (Journal of Energy Engineering)

  • 제23권4호
  • /
  • Pages.169-175
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  • 2014
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  • 1598-7981(pISSN)
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  • 2713-7074(eISSN)
한국에너지학회 (The Korean Society for Energy)
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에틸벤젠의 연소특성치 측정 및 예측

The Measurement and Prediction of Combustible Properties for Ethylbenzene

  • 하동명 (세명대학교 보건안전공학과)
  • Ha, Dong-Myeong (Dept. of Occupational Health and Safety Engineering., Semyung University)
  • 투고 : 2014.09.01
  • 심사 : 2014.12.05
  • 발행 : 2014.12.31
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초록

에틸벤젠의 안전한 취급을 위해, 폭발한계는 문헌을 통해 고찰하였으며, 인화점과 발화지연시간에 의한 자연발화온도는 시험장치를 이용하여 측정하였다. 인화점의 경우 밀폐식 장치인 Setaflash와 Penski-Martens에 의한 하부인화점은 각 각 $20^{\circ}C$와 $22^{\circ}C$로 측정되었으며, 개방식인 Tag와 Cleveland에서는 각 각 $25^{\circ}C$와 $28^{\circ}C$로 측정되었다. ASTM E659 장치를 사용하여 자연발화온도와 발화지연시간을 측정하였고, 최소자연발화온도는 $430^{\circ}C$로 측정되었다. 에틸벤젠의 측정된 인화점을 이용하여 폭발하한계와 상한계는 0.93 Vol.%와 7.96 Vol.%로 계산되었다.

For the safe handling of ethylbenzene, this study was investigated the explosion limits of ethylbenzene in the reference data. And the lower flash points, upper flash points and AITs(auto-ignition temperatures) by ignition delay time were experimented. The lower flash points of ethylbenzene by using Setaflash closed-cup and Pensky-Martens closed-cup testers were experimented $20^{\circ}C$ and $22^{\circ}C$, respectively. The lower flash points ethylbenzene by using Tag and Cleveland open cup testers were experimented $25^{\circ}C$ and $28^{\circ}C$, respectively. Also, this study measured relationship between the AITs and the ignition delay times by using ASTM E659 tester for ethylbnezene. The experimental AIT of ethylbenzene was $430^{\circ}C$. The calculated LEL and UEL by using the measured lower flash point and upper flash point were 0.93 Vol.% and 7.96 Vol.%, respectively.

키워드

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