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This is problem 7-15 from El-Wakil’s Powerplant Technology book -- a spray pond is used to...

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Mechanical Engineering

This is problem 7-15 from El-Wakil’s Powerplant Technology book-- a spray pond is used to cool a 200-MW powerplant that has a 39percent efficiency. The condenser cooling water outlet temperatureis 90 degF. The atmosphere is at 70 degF and 60 percent relativehumidity. The spray nozzles have ntu = 0.15, r = 0.015 and f =0.25. Determine (a) the number of spray modules required, (b) theflow per module, in gallons per minute, and (c) the approximatepond area, in acres.

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