G. V. Kuznetsov, V. V. Salomatov, S. V. Syrodoy, “Numerical simulation of ignition of particles of a coal-water fuel”, Fizika Goreniya i Vzryva, 2015, Volume 51, Issue 4,Pages <nobr>11

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Numerical simulation of ignition of particles of a coal-water fuel

G. V. Kuznetsov^a, V. V. Salomatov^b, S. V. Syrodoy^a

^a Tomsk Polytechnic University, Tomsk, 6340050, Russia
^b Kutateladze Institute of Thermophysics, Siberian Branch, Russian Academy of Sciences, Novosibirsk, 630090, Russia

Abstract: The problem of particle ignition of coal-water fuel has been solved. The simultaneous processes of water vaporization and thermal decomposition of the solid fuel are taken into account. The conditions and characteristics of particle ignition of coal-water fuel under typical furnace conditions were determined by numerical simulation. The obtained values of the ignition delay time are in good agreement with published experimental data.

Keywords: hydrocarbon fuel, ignition, vaporization, thermal decomposition, filtration, volatiles, ignition delay.

UDC: 536.468

Received: 07.03.2014

DOI: 10.15372/FGV20150402