When is heat transfer through a fluid conduction and when is it convection? For which case is the rate of heat transfer higher? How does the convection heat transfer coefficient differ from the thermal conductivity of a fluid?

Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
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A 13 FT X 16 FT flat plate is
suspended in a room and
subjected to airflow parallel
to its surfaces along its 13 FT
side. The temperature and
speed of the free air stream
are 30 ° C and 9 m / s. The
total resistance force acting
on the plate is 0.94 N.
Determine the average
convective heat transfer
coefficient for the plate.
When is heat transfer
through a fluid conduction
and when is it convection?
For which case is the rate of
heat transfer higher? How
does the convection heat
transfer coefficient differ
from the thermal conductivity
of a fluid?
Transcribed Image Text:A 13 FT X 16 FT flat plate is suspended in a room and subjected to airflow parallel to its surfaces along its 13 FT side. The temperature and speed of the free air stream are 30 ° C and 9 m / s. The total resistance force acting on the plate is 0.94 N. Determine the average convective heat transfer coefficient for the plate. When is heat transfer through a fluid conduction and when is it convection? For which case is the rate of heat transfer higher? How does the convection heat transfer coefficient differ from the thermal conductivity of a fluid?
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