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Measurement and Investigation of Combustible Properties of n-Heptane for Risk Assessment of Gasoline Tank  

Ha, Dong-Myeong (세명대학교 보건안전공학과)
Jeong, Kee-Sin (세명대학교 소방방재학과)
Lee, Sung-Jin (세명대학교 임상병리학과)
Cho, Yong-Sun (금성소방산업)
Yoon, Myung-O (서울시립대학교 재난과학과)
Publication Information
Fire Science and Engineering / v.24, no.6, 2010 , pp. 76-81 More about this Journal
Abstract
For the safe handling of n-heptane, the explosion limit at $25^{\circ}C$, the temperature dependence of the explosion limits and the lower flash point were investigated. And AITs (auto-ignition temperatures) by ignition time delay for n-heptane were experimented. By using the literatures data, the lower and upper explosion limits of n-heptane recommended 1.0 Vol% and 7.0 Vol%, respectively. And the lower flash points of n-heptane recommended $-4^{\circ}C$. This study measured relationship between the AITs and the ignition delay times by using ASTM E659-78 apparatus for n-heptane and the experimental AIT of n-hexane was $225^{\circ}C$. The new equation for predicting the temperature dependence of the explosion limits of n-heptane is proposed. The values calculated by the proposed equations were a good agreement with the literature data.
Keywords
n-Heptane; Lower flash point; Explosion limit; Autoignition temperature (AIT); ASTM E659-78;
Citations & Related Records
Times Cited By KSCI : 3  (Citation Analysis)
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