A forced-draft countercurrent water-cooling tower is to cool water from 43.3 to 26.7 degC. The air enters at the bottom of the tower at 23.9 degC with a wet bulb temperature of 21.1 degC. The value of Hg for the flow conditions is Hg=0.533 m. The heat-transfer resistance in the liquid phase will be neglected.(a) What is the effectiveness of the tower?(b) Calculate the minimum air rate that can be used.(c) Calculate the tower height if 1.5 times the minimum air rate is used.

Refrigeration is a device used to produce cooling by dissipating heat in the form of fluid or…

Answered: A forced-draft countercurrent…

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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A forced-draft countercurrent water-cooling tower is to cool water from 43.3 to 26.7 degC. The air enters at the bottom of the tower at 23.9 degC with a wet bulb temperature of 21.1 degC. The value of Hg for the flow conditions is Hg=0.533 m. The heat-transfer resistance in the liquid phase will be neglected.(a) What is the effectiveness of the tower?(b) Calculate the minimum air rate that can be used.(c) Calculate the tower height if 1.5 times the minimum air rate is used.

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