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Language: English

Conflict of Interest: In relation to this article, we declare that there is no conflict of interest.

Publication history: Received December 24, 2011
Accepted March 10, 2012

This is an Open-Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/bync/3.0) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.

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Surface recession mechanism of carbon fiber reinforced plastic layer by thermal decomposition

Jae Hun Lee^{1 2} Kwang Seok Kim³ Hyo Kim^2†

¹Safety Research Division, Institute of Gas Safety R&D, Gyeonggi-do 429-712, Korea ²Department of Chemical Engineering, The University of Seoul, Seoul 130-743, Korea ³Korea Institute of Science and Technology (KIST), Seoul 136-791, Korea

hkim@uos.ac.kr

Korean Journal of Chemical Engineering, November 2012, 29(11), 1508-1515(8), 10.1007/s11814-012-0036-x

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Abstract

We tested the thermal resistance of a carbon-fiber-reinforced fuel storage tank by using the simulations and the experiments. A model describing the one-dimensional heat transfer in a composite wall exposed to a flame was developed. As a moving boundary condition, the thickness recession is expressed by the one-step Arrhenius-type decomposition kinetics. The differential equations are solved by the Crank-Nicolson method, the algorithm of which is developed by us. For the experimental verification of the simulation, the well-controlled heat is added to one side of the square specimen taken from a carbon-fiber-wounded epoxy cylinder and the change in mass of the specimen is recorded as time passes. From the comparison of the results of two methodologies, it is hypothesized that the normalized thickness by the initial value should be always equal to the normalized mass by the initial value at a certain time. As a result, the surface recession data obtained by the simulations provide good predictions for those by the experiments.

Keywords

Carbon Fiber Reinforced Plastic (CFRP) Heat Transfer Cone Calorimeter Kinetics Thermal Decomposition

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