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Solution:a: Find chip surface temp
- Since a line of symmetry exists only half of the heat spreader need to be investigated.
b: Find temp distribution using FDM with a grid spacing of 1mm. Find K to achieve 85 C at chip surface.
Using a thermal conductivity of 18.4 W/m.k gives a temperature under the center of the chip of 85 C. The resulting temperature distribution within the heat spreader is shown below:
C: Provide discretization equations
HW#3 SolutionsMonday, September 30, 20139:27 PM
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