19.6 In a thermal heat sink the heat flux variation along the axis of a cooling passage is approximated as 9 a+bsin (7) A = where x is measured along the passage axis and L is its total length. A large installation involves a stack of plates with a 3-mm air space between them. The flow passages are 1.22 m long, and the heat flux in the plates varies according to the above equation where a = 900 W/m² and v = 2500 W/m². Air enters at 100°C
19.6 In a thermal heat sink the heat flux variation along the axis of a cooling passage is approximated as 9 a+bsin (7) A = where x is measured along the passage axis and L is its total length. A large installation involves a stack of plates with a 3-mm air space between them. The flow passages are 1.22 m long, and the heat flux in the plates varies according to the above equation where a = 900 W/m² and v = 2500 W/m². Air enters at 100°C
Elements Of Electromagnetics
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Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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
Transcribed Image Text:19.6 In a thermal heat sink the heat flux variation along the axis
of a cooling passage is approximated as
9
A
TX
= a + b sin (77)
where x is measured along the passage axis and Lis its total length.
A large installation involves a stack of plates with a 3-mm
air space between them. The flow passages are 1.22 m long, and
the heat flux in the plates varies according to the above equation
where a = 900 W/m² and v = 2500 W/m². Air enters at 100°C

Transcribed Image Text:with a mass velocity (the product of pV) of 7.5 kg/s - m². The
surface coefficient along the flow passage can be considered
constant with a value of 56 W/m².K.
Generate a plot of heat flux, mean air temperature, and plate
surface temperature as functions of x. Where does the maximum
surface temperature occur and what is its value?
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