If 15 m'/sec. of air at 32 cab and 24'Cwb at standard atmospheric pressure enter a cooling tower and leaves saturated at 29°C, a) How many kg/sec. of make-up water must be added to compensate the water evaporated? b) To what temperature can this air stream cool a spray of water entering at 38°C with a flow rate of 20 kg/sec.? ) What are the cooling tower efficiency, cooling range and the cooling approach?

If 15 m'/sec. of air at 32 cab and 24'Cwb at standard atmospheric pressure enter a cooling tower and leaves saturated at 29°C, a) How many kg/sec. of make-up water must be added to compensate the water evaporated? b) To what temperature can this air stream cool a spray of water entering at 38°C with a flow rate of 20 kg/sec.? ) What are the cooling tower efficiency, cooling range and the cooling approach?

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

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Applied Fluid Mechanics

A fluid is a substance that is continuously deformed by the application of shear stress. The rate of deformation of a fluid depends on its viscosity. The fluid tries to flow when it interacts with some other system.

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Problem 1:
1. If 15 m'/sec. of air at 32°cdb and 24°Cwb at standard atmospheric pressure enter a cooling tower
and leaves saturated at 29°C,
a) How many kg/sec. of make-up water must be added to compensate the water evaporated?
b) To what temperature can this air stream cool a spray of water entering at 38°C with a flow rate
of 20 kg/sec.?
c) What are the cooling tower efficiency, cooling range and the cooling approach?

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