A dryer is shaped like a long semicylindrical ductof diameter 1.5 m. The base of the dryer is occupied withwater-soaked materials to be dried. The base is maintainedat a temperature of 370 K, while the dome of the dryer ismaintained at 1000 K. If both surfaces behave as blackbody, determine the drying rate per unit length experienced by the wet materials.

Principles of Heat Transfer (Activate Learning with these NEW titles from Engineering!)
8th Edition
ISBN:9781305387102
Author:Kreith, Frank; Manglik, Raj M.
Publisher:Kreith, Frank; Manglik, Raj M.
Chapter11: Heat Transfer By Radiation
Section: Chapter Questions
Problem 11.22P
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A dryer is shaped like a long semicylindrical duct
of diameter 1.5 m. The base of the dryer is occupied with
water-soaked materials to be dried. The base is maintained
at a temperature of 370 K, while the dome of the dryer is
maintained at 1000 K. If both surfaces behave as blackbody, determine the drying rate per unit length experienced by the
wet materials.

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