Water leaving a thermoelectric plant condenser at 36 °C enters a cooling tower at a mass flow rate of 3.6x107 kg/h. A flow of cooled water returns to the condenser from the tower at a temperature of 30 °C and with the same flow rate. Make-up water is added separately at 20°C. Atmospheric air is admitted to the cooling tower at 25 °C and with 36% relative humidity. Moist air leaves the tower at 90% relative humidity and 35°C. Determine the mass flow rate of dry air and make-up water, in kg/h. Neglect heat exchanges and fan power. Assume permanent regime.
Water leaving a thermoelectric plant condenser at 36 °C enters a cooling tower at a mass flow rate of 3.6x107 kg/h. A flow of cooled water returns to the condenser from the tower at a temperature of 30 °C and with the same flow rate. Make-up water is added separately at 20°C. Atmospheric air is admitted to the cooling tower at 25 °C and with 36% relative humidity. Moist air leaves the tower at 90% relative humidity and 35°C. Determine the mass flow rate of dry air and make-up water, in kg/h. Neglect heat exchanges and fan power. Assume permanent regime.
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
Problem 1.1MA
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Water leaving a thermoelectric plant condenser at 36 °C enters a cooling tower at a mass flow rate of 3.6x107 kg/h. A flow of cooled water returns to the condenser from the tower at a temperature of 30 °C and with the same flow rate. Make-up water is added separately at 20°C. Atmospheric air is admitted to the cooling tower at 25 °C and with 36% relative humidity. Moist air leaves the tower at 90% relative humidity and 35°C.
Determine the mass flow rate of dry air and make-up water, in kg/h. Neglect heat exchanges and fan power. Assume permanent regime.
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