Aerodynamics and coal - Flame modelling in the burning zone of cement rotary kilns .2.

Kolyfetis, E; Markatos, NC

dc.contributor.author	Kolyfetis, E	en
dc.contributor.author	Markatos, NC	en
dc.date.accessioned	2014-03-01T01:45:01Z
dc.date.available	2014-03-01T01:45:01Z
dc.date.issued	1996	en
dc.identifier.issn	0722-4397	en
dc.identifier.uri	https://dspace.lib.ntua.gr/xmlui/handle/123456789/24535
dc.subject.classification	Construction & Building Technology	en
dc.subject.classification	Materials Science, Multidisciplinary	en
dc.title	Aerodynamics and coal - Flame modelling in the burning zone of cement rotary kilns .2.	en
heal.type	journalArticle	en
heal.language	German	en
heal.publicationDate	1996	en
heal.abstract	A mathematical model is developed for the prediction of flow, combustion and heat transfer in a pulverised-fuel-fired rotary kiln. The mathematical formulation of this two-phase problem applies the eulerian conservation equations for the gaseous carrier phase as well as for the coal particles. A finite-domain method is used for the numerical solution of these equations. Several auxiliary mathematical models describing the various physical phenomena occurring in the rotary kiln, such as coal combustion, radiation and interphase transport are selected according to their performance. The predictions obtained by the present model are compared with experimental data measured on a rotary kiln in operation at a plant of ''Heracles'' General Cement Company. The correlations between measurements and predictions are examined and discussed. Finally the computed flame length is compared with empirical correlations found usually in the literature. It is concluded that the proposed type of modelling leads to valuable results, that may help in. a better understanding of the complete physico-chemical phenomena occurring in rotary kilns, with a view to optimize their performance and energy consumption.	en
heal.publisher	BAUVERLAG GMBH	en
heal.journalName	ZKG INTERNATIONAL	en
dc.identifier.isi	ISI:A1996UZ94000006	en
dc.identifier.volume	49	en
dc.identifier.issue	6	en
dc.identifier.spage	326	en
dc.identifier.epage	&	en