The cooling tower in a power plant consists of ten big fans. The quantity of cooling water circulated through the tower is 1000kg/min and it is cooled from 35oC DBT and 25oC WBT. The air leaves the tower at 30oC and 90% R.H. Find:
(i) The quantity of air handled per fan per minute.
(ii) The quantity of make-up water per hour neglecting the loss due to carry over and heat losses.
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Water entering a wet cooling tower at 35°C at a rate of 100 kg/s is cooled to 22°C in the cooling tower by air that enters the tower at 1 atm, 20°C, and 60% relative humidity and leaves saturated at 30°C. The makeup water of 22°C is supplied to the outlet to make the mass flow rate of the cool water the same as that at the inlet, see Figure Q5. Q.5Water entering a wet cooling tower at 35°C at...
An evaporative cooling tower removes 1 x 106 Btu/hr of heat from the cooling water from a condenser of a steam power plant. The temperature of the water is reduced from 120 °F to 110 °F. Air enters the cooling tower at 91 °F and 60% relative humidity and air leaves at 100 °F and 82% relative humidity. The quantity of make-up water is: