Abstract
Abstract - For the reliability of the combustible properties of arylic acid, this study was investigated the explosion limits of acrylic acid in the reference data. The fla sh points and AITs(auto-ignition temperatures) by ignition delay time were experimented. The lower flash point s of acrylic acid by using Setaflash and Pensky-Martens closed-cup testers were experimented in 48 ℃ and 51 ℃, respectively. The lower flash points of arylic acid by using Tag and Cleveland open cup teste rs were experimented in 56 ℃. This study measured relationship between the AITs and the ignition delay t imes by using ASTM E659 tester for acrylic acid. The AIT of acrylic acid was experimented as 417 ℃. The lower explosion limit(LEL) and the upper explosion limit(UEL) by the measured the lower flash point and the upper flash point of acrylic acid were calculated as 2.2 Vol% and 7.9 Vol%, respectively. Key words : acrylic acid, flash point tester, explosion limit, ignition delay time, autoignition temperature(AIT), reliability of combustible properties 에너지공학, 제24권 제3호(2015)
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