Question: .) 60 rectangular microchannels are etched in the back of a silicon chip with a cross-section of 20mm20mm. The microchannels, each having 100m height and

.) 60 rectangular microchannels are etched in the back of a silicon chip with a cross-section of 20mm20mm. The microchannels, each having 100m height and 50m width, are covered with a silicon cap. Water is supplied to the microchannels at Ti=25C with a total mass flow rate of 0.002kg/s to decrease the temperature of the chip. The temperature of the chip and the cap are kept uniform at 80C. Considering that all the heat generated by the circuits on the top surface of the chip is transferred to the water and the sides of the chip and silicon cap are insulated, determine: (a) The water outlet temperature, Te (b) The chip power dissipation, We (HINT: You can assume that the flow in the channels is fully developed, and circular tube correlations are valid.)

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