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Appl. Sci. 2018, 8(6), 910; https://doi.org/10.3390/app8060910

A Simplified Method to Predict the Heat Release Rate of Industrial Nitrocellulose Materials

1
College of Ocean Science and Engineering, Shanghai Maritime University, Shanghai 201306, China
2
School of the Environment and Safety Engineering, Jiangsu University, Zhenjiang 212013, China
*
Author to whom correspondence should be addressed.
Received: 3 May 2018 / Revised: 22 May 2018 / Accepted: 30 May 2018 / Published: 1 June 2018
(This article belongs to the Section Materials)
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Abstract

To better understand the fire risk of nitrocellulose (NC) used for the civil industry, the combustion properties of NC-alcohol humectant (isopropanol and ethanol) and -plasticizer (dibutyl phthalate) mixtures were investigated experimentally in this work. Flames with considerable sparks were observed for nitrocellulose-humectant samples, while the nitrocellulose-plasticizer mixture exhibited extremely bright flames without obvious sparks. The flame heights for all the samples were determined from the video record. According to the fundamentals of fire phenomena, a simplified model to predict the heat release rates of current NC samples was developed based on the flame height data. By combining the experiment results by ISO 5660 and stoichiometric equations, the critical parameter H c / r is recalculated as 3251, 3228, and 3201 kJ/kg for NC-I, NC-E, and NC-D samples, respectively. Ultimately, the heat release rates predicted by the modified model coincided well with that measured by ISO 5660. View Full-Text
Keywords: heat release rate; nitrocellulose; alcohol humectant; plasticizer; flame height heat release rate; nitrocellulose; alcohol humectant; plasticizer; flame height
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).
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Liu, J.; Chen, M. A Simplified Method to Predict the Heat Release Rate of Industrial Nitrocellulose Materials. Appl. Sci. 2018, 8, 910.

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