Journal of the Korean Institute of Gas (한국가스학회지)

The Korean Institute of GAS (한국가스학회)
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The Calculation of Flash Point for n-Nonane+n-Decane+n-Tridecane System by Raoult's Law and Multiple Regression Analysis

라울의 법칙과 다중회귀분석법에 의한 n-Nonane+n-Decane+n-Tridecane 계의 인화점 계산

  • Ha, Dong-Myeong (Dept. of Occupational Health and Safety Engineering, Semyung University) ;
  • Lee, Sungjin (Dept. of Clinical Laboratory Science, Semyung University)
  • 하동명 (세명대학교 보건안전공학과) ;
  • 이성진 (세명대학교 임상병리학과)
  • Received : 2017.11.08
  • Accepted : 2018.04.10
  • Published : 2018.04.30
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Abstract

The flash point is one of the most important properties to characterize fire and explosion hazard of flammable liquid mixture. In this paper, the flash points of ternary liquid mixture, n-nonane+n-decane+n-tridecane system, were measured using Seta flash closed cup tester. The measured values were compared with the calculated values using Raoult's law and multiple regression analysis. The absolute average errors(AAE) of the results calculated by Raoult's law is $0.6^{\circ}C$. The absolute average errors of the results calculated by multiple regression analysis is $0.4^{\circ}C$. As can be seen from AAE, the calculated values based on multiple regresstion analysis were found to be better than those based on Raoult's law.

가연성 액체 혼합물의 화재와 폭발의 위험성을 규정하는 가장 중요한 성질 중 하나는 인화점이다. 본 논문에서는 삼성분계 액체 혼합물인, n-nonane+n-decane+n-tridecane 계의 인화점을 Seta flash 밀폐식 장치를 사용하여 측정하였다. 실험값은 라울의 법칙을 이용한 방법과 다중회귀분석법에 의해 계산된 값들과 비교되었다. 라울의 법칙에 의한 계산된 결과의 절대평균오차는 $0.6^{\circ}C$이었다. 다중회귀분석법에 의해 계산된 결과의 절대평균 오차는 $0.4^{\circ}C$이었다. 절대평균오차에서 알 수 있듯이 다중회귀분석법에 의한 계산값이 라울의 법칙에 의한 계산값에 비해 측정값을 잘 모사하였다.

Keywords

References

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