NDLI: Mathematical modeling of the heat treatment and combustion of a coal particle. V. Burn-up stage

Content Provider	Springer Nature Link
Author	Enkhjargal, Kh. Salomatov, V. V.
Copyright Year	2011
Abstract	The present material is a sequel of the previous publications of the authors in this journal under a common title in which by means of mathematical modeling the sequential stages of the process of combustion of coal fuels have been obtained: heating, drying, escape of volatiles, and ignition. Mathematical models of the final stage of combustion of an individual particle — the burn-up stage — have been formulated. On the basis of the solution methods for nonlinear boundary-value problems developed by us, approximate-analytic formulas for two characteristic regimes, burn-up simultaneously with the evaporation of the remaining moisture and burn-up of the completely dried coke residue, have been obtained. The previous history of the physical and chemical phenomena in the general burning pattern is taken into account. The influence of the ash shell on the duration of combustion has been extimated. Comparison of calculations by the obtained dependences with the results of other authors has been made. It showed an accuracy sufficient for engineering applications.
Starting Page	905
Ending Page	911
Page Count	7
File Format	PDF
ISSN	10620125
Journal	Journal of Engineering Physics and Thermophysics
Volume Number	84
Issue Number	4
e-ISSN	1573871X
Language	English
Publisher	Springer US
Publisher Date	2011-08-03
Publisher Place	Boston
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	coal particle diffusion and kinetic regimes of combustion coke residue ash shell Mechanics Engineering Thermodynamics, Heat and Mass Transfer Statistical Physics, Dynamical Systems and Complexity Industrial Chemistry/Chemical Engineering Thermodynamics
Content Type	Text
Resource Type	Article
Subject	Engineering Condensed Matter Physics

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Mathematical modeling of the heat treatment and combustion of a coal particle. I. Heating stage

Mathematical modeling of the heat treatment and combustion of a coal particle. III. Volatile escape stage

Mathematical modeling of the heat treatment and combustion of a coal particle. II. drying stage

Mathematical modeling of the heat treatment and combustion of a coal particle. IV. Ignition stage

Chart of combustion regimes, similarity numbers, and turbulence invariants

Numerical modeling of the aerodynamics, heat exchange, and combustion of a polydisperse ensemble of coke-ash particles in ascending axisymmetric two-phase flow

Modeling of the process of burning-out of coke–ash particles in a fluidized bed

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Mathematical modeling of the heat treatment and combustion of a coal particle. V. Burn-up stage

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