A power plant taps steam superheated by geothermal energy
Chapter , Problem 60(choose chapter or problem)
A power plant taps steam superheated by geothermal energy to 505 K (the temperature of the hot reservoir) and uses the steam to do work in turning the turbine of an electric generator. The steam is then converted back into water in a condenser at 323 K (the temperature of the cold reservoir), after which the water is pumped back down into the earth where it is heated again. The output power (work per unit time) of the plant is 84 000 kilowatts. Determine (a) the maximum effi ciency at which this plant can operate and (b) the minimum amount of rejected heat that must be removed from the condenser every twenty-four hours.
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