23–53E Geothermal water (C, = 1.03 Btu/lbm · °F) is to be used as the heat source to supply heat to the hydronic heating system of a house at a rate of 30 Btu/s in a double-pipe counter-flow heat exchanger. Water (C, = 1.0 Btu/lbm · °F) is heated from 140°F to 200°F in the heat exchanger as the geo- thermal water is cooled from 310°F to 180°F. Determine the mass flow rate of each fluid and the total thermal resistance of this heat exchanger.
23–53E Geothermal water (C, = 1.03 Btu/lbm · °F) is to be used as the heat source to supply heat to the hydronic heating system of a house at a rate of 30 Btu/s in a double-pipe counter-flow heat exchanger. Water (C, = 1.0 Btu/lbm · °F) is heated from 140°F to 200°F in the heat exchanger as the geo- thermal water is cooled from 310°F to 180°F. Determine the mass flow rate of each fluid and the total thermal resistance of this heat exchanger.
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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Heat Exchanger
The heat exchanger is a combination of two words ''Heat'' and ''Exchanger''. It is a mechanical device that is used to exchange heat energy between two fluids.
Question
Transcribed Image Text:23–53E Geothermal water (C, = 1.03 Btu/lbm · °F) is to be
used as the heat source to supply heat to the hydronic heating
system of a house at a rate of 30 Btu/s in a double-pipe
counter-flow heat exchanger. Water (C, = 1.0 Btu/lbm -· °F) is
heated from 140°F to 200°F in the heat exchanger as the geo-
thermal water is cooled from 310°F to 180°F. Determine the
mass flow rate of each fluid and the total thermal resistance of
this heat exchanger.
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