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Experimental power plant: Natural Energy Laboratory

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An experimental power plant at the Natural Energy Laboratory of Hawaii generates electricity from the temperature gradient of the ocean. The surface and deep-water temperatures are 27 degrees Celsius and 6 degrees Celsius respectively.

a) What is the maximum theoretical efficiency of this power plant?
b) If the power plant is to produce 210 kW of power, at what rate must heat be extracted from the warm water?
c) At what rate must heat be absorbed by the cold water? Assume the maximum theoretical efficiency you calculated in (a).
d) The cold water that enters the plant leaves it at 10 degrees Celsius . What must be the flow rate of cold water through the system? Give your answer in kg/hr and liters/sec.

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Solution Summary

Calculating the maximum theoretical efficiency and the rate of absorption and flow rates of a power plant.

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