Question 2:A circuit board houses on its surface120 closely spaced logic chips, each dissipating 0.12 W. If theheat transfer from the back surface of the board is negligible, calculate (a) the amount of heat this circuit board (15 cm x20 cm) dissipatesduring a 10-hour period, in kWh, and (b) the heat flux on thesurface of the circuit board, in W/m2
Question 2:A circuit board houses on its surface120 closely spaced logic chips, each dissipating 0.12 W. If theheat transfer from the back surface of the board is negligible, calculate (a) the amount of heat this circuit board (15 cm x20 cm) dissipatesduring a 10-hour period, in kWh, and (b) the heat flux on thesurface of the circuit board, in W/m2
Principles of Heat Transfer (Activate Learning with these NEW titles from Engineering!)
8th Edition
ISBN:9781305387102
Author:Kreith, Frank; Manglik, Raj M.
Publisher:Kreith, Frank; Manglik, Raj M.
Chapter1: Basic Modes Of Heat Transfer
Section: Chapter Questions
Problem 1.19P: 1.19 A cryogenic fluid is stored in a 0.3-m-diameter spherical container is still air. If the...
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Question 2:A circuit board houses on its surface120 closely spaced logic chips, each dissipating 0.12 W. If theheat transfer from the back surface of the board is negligible, calculate (a) the amount of heat this circuit board (15 cm x20 cm) dissipatesduring a 10-hour period, in kWh, and (b) the heat flux on thesurface of the circuit board, in W/m2
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