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Prediction of Coal Primary Fragmentation and Char Particle Size Distribution in Fluidized Bed
dc.creator | Paprika, Milijana J. | |
dc.creator | Komatina, Mirko | |
dc.creator | Dakić, Dragoljub | |
dc.creator | Nemoda, Stevan | |
dc.date.accessioned | 2022-09-19T17:13:04Z | |
dc.date.available | 2022-09-19T17:13:04Z | |
dc.date.issued | 2013 | |
dc.identifier.issn | 0887-0624 | |
dc.identifier.uri | https://machinery.mas.bg.ac.rs/handle/123456789/1727 | |
dc.description.abstract | The combination of temperature gradient and volatile release has been identified as the main cause for primary fragmentation (breakage of fuel particles during devolatilization). A mathematical model of the primary fragmentation in a fluidized bed has been developed, incorporating both causes. It takes into account the type of the coal, size of the coal particles, and the fluidized bed temperature. The model simulates fragmentation of a batch of coal particles. For each particle in the batch, the model follows propagation and merging of cracks, starting from randomly distributed pre-existing pores, leading to possible breakage of the particle. The model calculates volume of the fragmented particles and volume diameters, classifying them into size classes. For each size class, the number of particles is counted, and the mass fraction is calculated. The results are the distribution of mass and number of char particles after the devolatilization and the primary fragmentation parameters. | en |
dc.publisher | Amer Chemical Soc, Washington | |
dc.relation | info:eu-repo/grantAgreement/MESTD/Technological Development (TD or TR)/33042/RS// | |
dc.rights | restrictedAccess | |
dc.source | Energy & Fuels | |
dc.title | Prediction of Coal Primary Fragmentation and Char Particle Size Distribution in Fluidized Bed | en |
dc.type | article | |
dc.rights.license | ARR | |
dc.citation.epage | 5494 | |
dc.citation.issue | 9 | |
dc.citation.other | 27(9): 5488-5494 | |
dc.citation.rank | M21 | |
dc.citation.spage | 5488 | |
dc.citation.volume | 27 | |
dc.identifier.doi | 10.1021/ef400875q | |
dc.identifier.scopus | 2-s2.0-84884524398 | |
dc.identifier.wos | 000330100000051 | |
dc.type.version | publishedVersion |