Abstract
The testing procedure is given, along with the results of investigations of the macrokinetics of heterogeneous oxidation of coked foam residue of heat-shielding and fireproof materials under conditions of their interaction with a high-enthalpy gas flow. Formulations and methods are suggested for solving direct and inverse problems of heat transfer, as well as of the macrokinetics of heterogeneous ignition. The known time dependence of temperature of the sample surface is used to determine the parameters of external heat transfer and the thermokinetic constants of effective heterogeneous reaction. The results of analysis of sensitivity factors are used to find the time intervals at which the experimental data are most suitable for finding the heat-transfer coefficient and the flow temperature. The suggested investigation procedure is used to determine the macrokinetics of heterogeneous oxidation of coked foam of SGK-1 fireproof coating in an oxygen-containing gas medium.
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Translated from Teplofizika Vysokikh Temperatur, Vol. 44, No. 4, 2006, pp. 586–594.
Original Russian Text Copyright © 2006 by V. G. Zverev, V. A. Nazarenko, and V. V. Nesmelov.
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Zverev, V.G., Nazarenko, V.A. & Nesmelov, V.V. A study into the macrokinetics of heterogeneous oxidation of coked foams of heat-shielding materials. High Temp 44, 584–592 (2006). https://doi.org/10.1007/s10740-006-0072-5
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DOI: https://doi.org/10.1007/s10740-006-0072-5