Question: A 0 . 4 - W cylindrical electronic component with diameter 0 . 3 cm and length 1 . 8 cm and mounted on a

A 0.4-W cylindrical electronic component with diameter 0.3 cm and length 1.8 cm and mounted on a circuit board is cooled by air flowing across it at a velocity of 237.00 m/min. If the air temperature is 35C, determine the surface temperature of the component in C. For air properties evaluations assume a film temperature of 50C. The properties of air at 1 atm and at this temperature are k =0.02735 W/mC, =1.798105 m2/s, and Pr =0.7228.
The surface temperature of the component is C.

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