Rheological properties essential for the atomization of Coal Water Slurries (CWS). Final report, September 1, 1991--July 31, 1995 | Zendy

F. Ohene | Zendy

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Rheological properties essential for the atomization of Coal Water Slurries (CWS). Final report, September 1, 1991--July 31, 1995

Author(s) -

F. Ohene

Publication year - 1995

Publication title -

osti oai (u.s. department of energy office of scientific and technical information)

Language(s) - English

Resource type - Reports

DOI - 10.2172/231306

Subject(s) - rheology , slurry , nozzle , viscoelasticity , extensional definition , particle size , materials science , coal water , shear (geology) , composite material , mineralogy , chemistry , thermodynamics , geology , physics , paleontology , tectonics

The objective of this study was to understand the effect of low shear, high shear rheology, viscoelastic, and extensional properties on the atomization of CWS. In the atomization studies, the mean drop size of the CWS sprays were determined at various air-to-CWS ratios using a Malvern 2600 particle size analyzer and a Delavan Solid Cone Atomizing Nozzle. Solids-loading, coal particle size distributions, and chemical additives were varied in order to determine the significant properties that influence CWS atomization. A correlation of the mass mean droplet size with high shear, viscoelastic and extensional behaviors were made in order to determine the influence of these parameters on CWS atomization

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