stream of Air flows over the upper surface of a flat plate having a length of 10 m. Variation of temperatures measurements in the boundary layer is correlated by an expression of the form T = 785 + 50 exp (-712xy), where x and y are in meters and T in K. The thermal conductivity of air is evaluated at the arithmetic mean of the free stream and surface temperatures to be k = 0.03 W/m.K. If the air temperature is equal to 45 C and the temperature of the plate is equal to 105 C. Determine The average convection coefficient for the entire plate. Select one: O a. 98.6 W/m^2.K O b. 78 W/m^2.K O c. 89 W/m^2.K d. 66.2 W/m^2.K

Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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A stream of Air flows over the upper surface of a flat plate having a length of 10 m. Variation of temperatures measurements in the boundary layer is correlated by an expression of the form T = 785 + 50 exp (-712xy), where x and y are in meters and T in K. The thermal conductivity of air is evaluated at the arithmetic mean of the free stream and surface temperatures to be k = 0.03 W/m.K. If the air temperature is equal to 45 C and the temperature of the plate is equal to 105 C. Determine The average convection coefficient for the entire plate. Select one: O a. 98.6 W/m^2.K O b. 78 W/m^2.K O c. 89 W/m^2.K d. 66.2 W/m^2.K
A stream of Air flows over the upper
surface of a flat plate having a length
of 10 m. Variation of temperatures
measurements in the boundary layer
is correlated by an expression of the
form T = 785 + 50 exp (-712xy),
where x and y are in meters and T in
K. The thermal conductivity of air is
evaluated at the arithmetic mean of
the free stream and surface
temperatures to be k = 0.03 W/m.K. If
the air temperature is equal to 45 C
and the temperature of the plate is
equal to 105 C. Determine The
average convection coefficient for the
entire plate.
Select one:
O a. 98.6 W/m^2.K
O b. 78 W/m^2.K
O c. 89 W/m^2.K
d. 66.2 W/m^2.K
Transcribed Image Text:A stream of Air flows over the upper surface of a flat plate having a length of 10 m. Variation of temperatures measurements in the boundary layer is correlated by an expression of the form T = 785 + 50 exp (-712xy), where x and y are in meters and T in K. The thermal conductivity of air is evaluated at the arithmetic mean of the free stream and surface temperatures to be k = 0.03 W/m.K. If the air temperature is equal to 45 C and the temperature of the plate is equal to 105 C. Determine The average convection coefficient for the entire plate. Select one: O a. 98.6 W/m^2.K O b. 78 W/m^2.K O c. 89 W/m^2.K d. 66.2 W/m^2.K
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