Fine particles from a centrifuge are spread in layers 4.0 cm thick on 0.8 x 0.8 m
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Fine particles from a centrifuge are spread in layers 4.0 cm thick on 0.8 x 0.8 m metal trays in a tray dryer. The initial moisture content is 0.25 kg/kg of dry solid. The gas velocity in the dryer is 2 m/s parallel to the tray surface, with T = 150°F and Twb = 90°F. The equivalent diameter De is 12 cm.
(a) What is the initial drying rate based only on convection to the wet solids?
(b) How much would radiation contribute to the drying rate?
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Related Book For 
Unit Operations Of Chemical Engineering
ISBN: 9780072848236
7th Edition
Authors: Warren McCabe, Julian Smith, Peter Harriott
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