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In: Mechanical Engineering

Several geothermal power plants are in operation in the united states and more are being built...

Several geothermal power plants are in operation in the united states and more are being built since the heat source of a geothermal plant is hot geothermal water which is “free energy.” An 8-MW geothermal power plant is being considered at a location where geothermal water 160 degrees C is available. Geothermal water is to serve as the heat source for a closed Rankine power cycle with refringent 134a as the working fluid. Specify suitable temperature and pressures for the cycle, and determine the thermal efficiency of the cycle. Justify your selection.

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