Design of atomizers and burners for coal-water slurry combustion | Zendy

Norman Chigier | Zendy; Paul Goldberg | Zendy

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Design of atomizers and burners for coal-water slurry combustion

Author(s) -

Norman Chigier,

Paul Goldberg

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 - 10.2172/231294

Subject(s) - breakup , extensional definition , viscosity , slurry , coal water , combustion , materials science , mechanics , composite material , chemistry , geology , physics , paleontology , organic chemistry , tectonics

In order to measure the extensional viscosity of polymeric solutions and coal water slurries (CS) a novel free-fall extensional device will be developed and its usefulness in measuring the extensional viscosity will be demonstrated. Photographic visualization of the breakup of viscoelastic materials in the drip mode has shown that these materials exhibit completely different breakup patterns when contrasted to viscoinelastic materials. The ligaments were seen to undergo a very large stretching motion before they breakup, resulting in long threads of liquid attached to droplets. The drip mode of breakup can be used to extract useful information on the extensional properties of polymer solutions and CS

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