Maurice Tutor

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  • MCS,PHD
    Argosy University/ Phoniex University/
    Nov-2005 - Oct-2011

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    Phoniex University
    Oct-2001 - Nov-2016

Category > Computer Science Posted 26 Jul 2017 My Price 5.00

electronic components

A 0.2-cm-thick, 10-cm-high, and 15-cm-long circuit board houses electronic components on one side that dissipate a total of 15 W of heat uniformly. The board is impregnated with conducting metal fillings and has an effective thermal conductivity of 12 W/m·K. All the heat generated in the components is conducted across the circuit board and is dissipated  from the back side of the board to a medium at 37°C, with a heat transfer coefficient of 45 W/m2·K. (a) Determine the surface temperatures on the two sides of the circuit board. (b) Now a 0.1-cm-thick, 10-cm-high, and 15-cm-long aluminum plate (k = 237 W/m·K) with 20 0.2-cm-thick, 2-cm-long, and 15-cm-wide aluminum fins of rectangular profile are attached to the back side of the circuit board with a 0.03-cmthick epoxy adhesive (k = 1.8 W/m·K). Determine the new temperatures on the two sides of the circuit board.

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Maurice Tutor
(5)
Status NEW Posted 26 Jul 2017 09:07 PM My Price 5.00

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