8.11b, d. Cooling towers in a nuclear power plant A nuclear power plant produces 1000 megawatts of electricity with a po

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8 11b D Cooling Towers In A Nuclear Power Plant A Nuclear Power Plant Produces 1000 Megawatts Of Electricity With A Po 1 (36.66 KiB) Viewed 13 times

8.11b, d. Cooling towers in a nuclear power plant A nuclear power plant produces 1000 megawatts of electricity with a power cycle thermodynamic efficiency of 30%. The heat rejected is removed by cooling water that enters the condenser at 293 K and is heated to 313 K. The hot water flows to two identical natural-draft cooling towers where it is recooled to 293 K, and make-up water is added as necessary. The available air is at 298 K with a wet- bulb temperature of 285 K, and it will flow at a rate 1.2 times the minimum. A spe- cialized packing will be used for which Kya is expected to be 1.0 kg/m's if the liq- uid mass velocity is at least 3.4 kg/m2.s, and the gas mass velocity is at least 2.75 kg/ ms. Compute the dimensions of the packed sections of the cooling towers, and the make-up water requirement due to evaporation. Answer: Z = 17.9 m