Effect of heat transfer conditions on the ignition characteristics of dispersed solid fuel

The results of experimental investigation of the dependence of the ignition delay time of the dispersed solid fuel (coal) on the temperature of the heat source are reported. The characteristics of the ignition of the tested coal under conditions of local heating and heating of a single solid fuel pa...

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Published inRussian journal of physical chemistry. B Vol. 9; no. 6; pp. 907 - 910
Main Authors Zakharevich, A. V., Bogomolov, A. R.
Format Journal Article
LanguageEnglish
Published Moscow Pleiades Publishing 01.11.2015
Subjects
Chemistry
Chemistry and Materials Science
Combustion
Explosion
Physical Chemistry
Shock Waves
dispersed fuel
pyrolysis
heat source
heat transfer
ignition delay time
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Summary:The results of experimental investigation of the dependence of the ignition delay time of the dispersed solid fuel (coal) on the temperature of the heat source are reported. The characteristics of the ignition of the tested coal under conditions of local heating and heating of a single solid fuel particle by a steel plate are compared. Substantial differences in the limiting conditions of the ignition of the fuel in these two quite typical cases are revealed. An analysis of the possible mechanisms of influence of heat transfer conditions on the ignition characteristics of dispersed solid fuel is performed.
ISSN:1990-7931
1990-7923
DOI:10.1134/S1990793115060123