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Int J Fire Sci Eng > Volume 26(3); 2012 > Article
Fire Science and Engineering 2012;26(3):85-90.
DOI: https://doi.org/10.7731/KIFSE.2012.26.3.085    Published online June 30, 2012.
n-Decane과 sec-Butanol 혼합물의 최소자연발화온도의 예측
세명대학교 보건안전공학과
Prediction of Autoignition Temperature of n-Decane and sec-Butanol Mixture
Ha Dong-Myeong
Department of Occupational Health and Safety Engineering, Semyung University
최소자연발화온도는 가연성물질이 주위의 열에 의해 스스로 발화하는 최저온도이다. 최소자연발화온도는 유기혼합물 중 가연성 액체혼합물의 안전한 취급을 위해서 중요한 지표가 된다. 본 연구에서는 ASTM E659 장치를 이용하여 가연성 혼합물인 n-Decane+sec-Butanol 계의 최소자연발화온도를 측정하였다. 2성분계를 구성하는 순수물질인 n-Decane과 sec-Butanol의 최소자연발화온도는 각 각 $211^{circ}C$, $447^{circ}C$로 측정되었다. 그리고 측정된 n-Decane+sec-Butanol계의 최소자연발화온도는 제시된 식에 의한 예측값과 적은 평균절대오차에서 일치하였다.
The autoignition temperature (AIT) of a material is the lowest temperature at which the material will spontaneously ignite. The AIT is important index for the safe handling of flammable liquids which constitute the solvent mixtures. This study measured the AITs of n-Decane+sec-Butanol system by using ASTM E659 apparatus. The AITs of n-Decane and sec-Butanol which constituted binary system were $212^{circ}C$ and $447^{circ}C$, respectively. The experimental AITs of n-Decane+sec-Butanol system were a good agreement with the calculated AITs by the proposed equations with a few A.A.D. (average absolute deviation).
Key Words: AIT (Autoignition temperature), Ignition delay time, ASTM E659, n-Decane+sec-butanol system

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