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Journal of Korean Institute of Fire Science and Engineering 2008;22(4):65-69.
Published online November 30, 2008.
이성분계 파라미터 최적화 기법을 활용한 n-Propanol+Formic acid 계의 인화점 추산
하동명, 이성진
1세명대학교 보건안전공학과2세명대학교 임상병리학과
Estimation of the Flash Points for n-Propanol+Formic acid System Using the Binary Parameters Optimization Method
Ha Dong-Myeong, Lee Sung-Jin
요약
인화점의 정보를 확보하는 것은 화재 및 폭발의 예방을 위해 대단히 중요하다. 본 연구에서는 n-propanol+formic acid 계의 하부 인화점을 Penskey-Martens 밀폐식 장치를 이용하여 측정하였다. 이성분계 혼합물은 최소 인화점 현상(MFPB)을 보였다. 실험값은 Raoult의 법칙과 최적화 기법에 의해 추산된 값과 비교하였다. 그 결과, 최접화 기법에 의한 추산값이 Raoult의 법칙에 의한 추산값 보다 실험값에 더욱 근접하였다.
Abstract
An accurate knowledge of the flash point is important in developing appropriate preventive and control measures in industrial fire protection. The lower flash points for the n-propanol+formic acid system were measured by Pensky-Martens closed cup apparatus. This binary mixture exhibited MFPB (minimum flash point behavior), which leads to the minimum on the flash point vs composition curve. The Raoult's law and optimization method using Wilson equation were used to predict the lower flash points and were compared with experimental data. The calculated values based on the optimization method were found to be better than those based on the Raoult's law.
Key Words: Flash point, Pensky-Martens closed cup apparatus, n-Propanol+formic acid system, Wilson equation, Optimization method, MFPB(Minimum Flash Point Behavior)


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