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A computational study was performed to predict the drying performance of a novel two-dimensional impinging stream dryer using superheated steam as the drying medium. The dryer is basically a flash dryer consisting of an opposing jet configuration. Assuming constant rate period drying kinetics, the drying behaviour of superheated steam-particle mixtures flowing in a turbulent two-phase flow is modelled by solving the coupled mass, momentum and energy conservation equations along with a turbulence model for the gas-particle flow. The effects of various operating parameters on the performance of the impinging stream dryer are investigated and discussed. It is evident from the simulation that a considerable amount of moisture can be removed even over a short overall residence time of the particles in the impinging stream system.
Rocznik
Tom
Strony
287--299
Opis fizyczny
8 rys., bibliogr. 8 poz.
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autor
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- Department of Chemical Engineering, McGill University, 3610 University St., Montreal, Quebec, Canada H3A 2B2
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Bibliografia
Identyfikator YADDA
bwmeta1.element.baztech-article-BPG1-0011-0079