The inner surface of a hollow sphere is 430°C and the heat transfer rate to the outside is 440W. Determine the temperature of the outer surface of a hollow sphere if the inner radius is 3in, outer radius is 4.5in, and the thermal conductivity of 46.15W/m-K.

The inner surface of a hollow sphere is 430°C and the heat transfer rate to the outside is 440W. Determine the temperature of the outer surface of a hollow sphere if the inner radius is 3in, outer radius is 4.5in, and the thermal conductivity of 46.15W/m-K.

University Physics Volume 2

18th Edition

ISBN:9781938168161

Author:OpenStax

Publisher:OpenStax

Chapter1: Temperature And Heat

Section: Chapter Questions

Problem 121AP: An infrared heater for a sauna has a surface area of 0.050 m2 and an emissivity of 0.84. What...

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Question

The inner surface of a hollow
sphere is 430°C and the heat
transfer rate to the outside is
440W. Determine the
temperature of the outer
surface of a hollow sphere if the
inner radius is 3in, outer radius
is 4.5in, and the thermal
conductivity of 46.15W/m-K.

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