7. A 1.5-cm diameter, electrically heated sphere is placed in a quiescent air at 20°C. Calculate the amount of heat to be supplied by the electric heater in order to keep the surface temperature of the sphere at 100°C.
7. A 1.5-cm diameter, electrically heated sphere is placed in a quiescent air at 20°C. Calculate the amount of heat to be supplied by the electric heater in order to keep the surface temperature of the sphere at 100°C.
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 11.35P
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