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Fire Sci. Eng. > Volume 30(6); 2016 > Article
Fire Science and Engineering 2016;30(6):31-36.
DOI: https://doi.org/10.7731/KIFSE.2016.30.6.031    Published online December 31, 2016.
다중회귀분석법을 이용한 n-Pentanol + n-Propanol계 및 n-Pentanol + n-Heptanol계의 인화점 예측
하동명, 이성진
1세명대학교 보건안전공학과
2세명대학교 임상병리학과
Estimation of the Flash Point for n-Pentanol + n-Propanol and n-Pentanol + n-Heptanol Systems by Multiple Regression Analysis
Ha Dong-Myeong, Lee Sungjin
1Department of Occupational Health and Safety Engineering, Semyung University
2Department of Clinical Laboratory Science, Semyung University
요약
인화점은 가연성 액체 용액의 폭발과 화재의 위험성을 결정하는 가장 중요한 성질 중 하나이다. 본 연구에서는 2개의 가연성 이성분계 혼합물인 n-pentanol + n-propanol계 및 n-pentanol + n-heptanol계의 인화점을 Seta flash 밀폐식 장치를 사용하여 측정하였다. 인화점은 라울의 법칙을 이용한 방법과 다중회귀분석법에 의해 계산되었다. 그리고 그 결과를 측정값과 비교하였다. 라울의 법칙에 의해 계산된 결과의 절대평균오차는 n-pentanol + n-propanol계인 경우 $1.3^{circ}C$이며 npentanol + n-heptanol계인 경우 $1.3^{circ}C$이었다. 다중회귀분석법에 의해 계산된 결과의 절대평균오차는 n-pentanol + npropanol계인 경우 $0.4^{circ}C$이며 n-pentanol + n-heptanol계인 경우 $0.3^{circ}C$이었다. 절대평균오차에서 알 수 있듯이 다중회귀 분석법에 의한 계산값이 라울의 법칙에 의한 계산값에 비해 측정값을 잘 모사하였다.
Abstract
The flash point is one of the most important properties for characterizing the fire and explosion hazard of liquid solutions. In this study, the flash points of two flammable binary mixtures, n-pentanol + n-propanol and n-pentanol + n-heptanol systems were measured using a Seta flash closed cup tester. The flash point was estimated using the methods based on Raoult's law and multiple regression analysis. The measured flash points were also compared with the predicted flash points. The absolute average errors (AAE) of the results calculated by Raout's law were $1.3^{circ}C$ and $1.3^{circ}C$ for the n-pentanol + n-propanol and n-pentanol + n-heptanol mixtures, respectively. The absolute average errors of the results calculated by multiple regression analysis were $0.4^{circ}C$ and $0.3^{circ}C$ for the n-pentanol + n-propanol and n-pentanol + n-heptanol mixtures, respectively. According to the AAE, the calculated values based on multiple regression analysis were better than those based on Raoult's law.
Key Words: Flash point, Seta flash closed cup tester, n-Pentanol + n-propanol, n-Pentanol + n-heptanol, Multiple regression analysis


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