International Scientific Journal


This study proposes a new high-irradiation ignition test method for studying the py-rolysis and ignition of solid combustibles under extreme scenarios (> 0.1 MW/m2). The irradiation system that generates a 10 cm octagonal spot of dynamic irradia-tion with a peak flux of 1.25 MW/m2 and 95% uniformity, and a chamber with well-controlled ambient conditions and advanced diagnostics coupled with a multi-physical parameter measurement system. A verification test was conducted on cor-rugated cardboard using the proposed test method, resulting in high-quality out-comes with lower coefficients of variation compared to previous test methods. This improved approach provides a better procedure for testing and understanding the ignition threshold of combustible materials and laying the foundation for the de-velopment of advanced models of material pyrolysis and ignition processes under high irradiation.
PAPER REVISED: 2023-04-25
PAPER ACCEPTED: 2023-04-27
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THERMAL SCIENCE YEAR 2023, VOLUME 27, ISSUE Issue 6, PAGES [5103 - 5113]
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© 2024 Society of Thermal Engineers of Serbia. Published by the Vinča Institute of Nuclear Sciences, National Institute of the Republic of Serbia, Belgrade, Serbia. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution-NonCommercial-NoDerivs 4.0 International licence