Abstract
Abstract Single-base propellants contain a single energetic component: nitrocellulose. Accurate predictions of propellant shelf-life should result in cost savings in terms of human and material resources. This study derived an optimized kinetic model reaction order that described stabilizer consumption and estimated propellant shelf-life. High temperature accelerated aging tests gave an optimum reaction order value of 1.15481, from which the minimum standard error of a linear regression estimate of 16.284 was obtained. At normal storage temperature of 21 – 30°C,propellants should have a safe shelf-life of 140 years, and a minimum of 35 years. It is necessary to consider thetemperature range in ammunition storage areas to predict propellant shelf-life more accurately. Key Words : Kinetic model, Nitrocellulose, n-th order, Propellant, Stabilizer, Shelf-life * Corresponding Author : Sang-Bong Lee (Defense Agency for Technology and Quality) Tel: +82-53-757-3062 email: sb81.lee@dtaq.re.krReceived April 14, 2015 Accepted May 7, 2015Revised May 6, 2015Published May 31, 2015
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