The small business uses a forced-draught cooling tower for cooling the water of its refrigeration and air conditioning systems. The fan power input is 3 kW. The air enters the cooling tower at 17.5 C and a relative humidity of 50 %. The water from the steam plant enters at 54C and is sprayed into the tower at a rate of 10 kg/s. The water leaving the tower is at a temperature of 25 C. The air leaves the tower at 35C and is saturated. Assume that the whole process occurs at a constant pressure of 85 kPa. Calculate the following: (a) The airflow required in [m3/s]. (b) The make-up water required in [kg/s]
The small business uses a forced-draught cooling tower for cooling the water of its refrigeration and air conditioning systems. The fan power input is 3 kW. The air enters the cooling tower at 17.5 C and a relative humidity of 50 %. The water from the steam plant enters at 54C and is sprayed into the tower at a rate of 10 kg/s. The water leaving the tower is at a temperature of 25 C. The air leaves the tower at 35C and is saturated. Assume that the whole process occurs at a constant pressure of 85 kPa. Calculate the following: (a) The airflow required in [m3/s]. (b) The make-up water required in [kg/s]
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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The small business uses a forced-draught cooling tower for cooling the water of its refrigeration and air conditioning systems. The fan power input is 3 kW. The air enters the cooling tower at 17.5 C and a relative humidity of 50 %. The water from the steam plant enters at 54C and is sprayed into the tower at a rate of 10 kg/s. The water leaving the tower is at a temperature of 25 C. The air leaves the tower at 35C and is saturated. Assume that the whole process occurs at a constant pressure of 85 kPa. Calculate the following:
(a) The airflow required in [m3/s]. (b) The make-up water required in [kg/s]
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