An electronics device generates 30.5 W of heat energy during normal operation. The heat is dissipated from the top surface of the device to ambient air at 23°C. If the top surface area is 0.158 m2 and the convection heat transfer coefficient is 7.838 W/m2. K, what will be the surface temperature (in °C) of the device [round your final answer to one decimal place]? Air, T. T,

University Physics Volume 2
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ISBN:9781938168161
Author:OpenStax
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Chapter1: Temperature And Heat
Section: Chapter Questions
Problem 100P: One easy way to reduce heating (and cooling) costs is to add extra insulation in the attic of a...
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An electronics device generates 30.5 W of heat energy during normal
operation. The heat is dissipated from the top surface of the device to ambient
air at 23°C. If the top surface area is 0.158 m2 and the convection heat transfer
coefficient is 7.838 W/m2. K, what will be the surface temperature (in °C) of the
device [round your final answer to one decimal place]?
Air, T.
T
00
S
Transcribed Image Text:An electronics device generates 30.5 W of heat energy during normal operation. The heat is dissipated from the top surface of the device to ambient air at 23°C. If the top surface area is 0.158 m2 and the convection heat transfer coefficient is 7.838 W/m2. K, what will be the surface temperature (in °C) of the device [round your final answer to one decimal place]? Air, T. T 00 S
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