Solution-Convection heat transfer coefficient on the surface

Convection heat transfer coefficient on the surface

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Reference no: EM13872854

A 10-cm high and 20-cm wide circuit board houses on its surface 100 closely spaced chips, each generating heat at a rate of 0.08 W and transferring it by convection to the surrounding air at 40°C. Heat transfer from the back surface of the board is negligible. If the convection heat transfer coefficient on the surface of the board is 10 W/m2 ?c °C and radiation heat transfer is negligible, the average surface temperature of the chips is

(a) 80°C

(b) 54°C

(d) 72°C

(e) 60°C

Reference no: EM13872854

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Convection heat transfer coefficient on the surface

Reference no: EM13872854

Reference no: EM13872854

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