Figure shows a heat exchanger designed to cool 5250 kg/h of an ethyl alcohol solution (Cp = 3810 J/kg. °C) from 66 °C to 39 °C. Water (Cp = 4200 J/kg. °C) at 10 °C is pumped at 4750 kg/h to cool the solution. The tube side fluid flows in a circular pipe with an outside diameter of 25 mm. The overall heat transfer coefficient is (5.06x10^2) W/(m2.°C). Find the tube length 'L' for one pass of a two-pass parallel flow double-pipe heat exchanger as shown in Figure. Answer should be in m with three significant figures.

Figure shows a heat exchanger designed to cool 5250 kg/h of an ethyl alcohol solution (Cp = 3810 J/kg. °C) from 66 °C to 39 °C. Water (Cp = 4200 J/kg. °C) at 10 °C is pumped at 4750 kg/h to cool the solution. The tube side fluid flows in a circular pipe with an outside diameter of 25 mm. The overall heat transfer coefficient is (5.06x10^2) W/(m2.°C). Find the tube length 'L' for one pass of a two-pass parallel flow double-pipe heat exchanger as shown in Figure. Answer should be in m with three significant figures.

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

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Basic Terminology in Mechanics

The area of science and mathematics concerned the motion of the objects, the relation between the force matter, and motion if specified. Forces exerted over the objects result in displacements or changes in the position of an object concerning its environment. This branch of physics keeps its roots in Ancient Greece in the form of the scripts of Aristotle and Archimedes.

Question

Q5.3

L
Figure shows a heat exchanger designed to cool 5250 kg/h of an ethyl alcohol solution (Cp = 3810
J/kg. °C) from 66 °C to 39 °C. Water (Cp = 4200 J/kg. °C) at 10 °C is pumped at 4750 kg/h to cool
the solution. The tube side fluid flows in a circular pipe with an outside diameter of 25 mm. The
overall heat transfer coefficient is (5.06x10^2) W/(m².°C). Find the tube length 'L' for one pass of a
two-pass parallel flow double-pipe heat exchanger as shown in Figure.
Answer should be in m with three significant figures.

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