A single-shell, four-tube-pass heat exchanger is used to cool water flowing at 14 kg.s¹ entering at 18°C using ammonia with a mass flow rate of 18 kg.s¹ and an entry temperature and pressure of -12°C and 650 kPa, absolute, respectively. The heat exchanger is to use the ammonia in the liquid form, so no evaporation can be allowed. At 620 kPa, absolute pressure, ammonia evaporates at 10.5°C. The overall heat transfer coefficient of the heat exchanger is 568 W.m2 and the heat transfer surface area is 75 m². Determine the outlet temperatures of the hot and cold streams. Identify whether the heat exchanger, operating under the conditions shown, satisfies the requirement that the ammonia remains liquid throughout the process. Sources for any researched material properties must be properly referenced
A single-shell, four-tube-pass heat exchanger is used to cool water flowing at 14 kg.s¹ entering at 18°C using ammonia with a mass flow rate of 18 kg.s¹ and an entry temperature and pressure of -12°C and 650 kPa, absolute, respectively. The heat exchanger is to use the ammonia in the liquid form, so no evaporation can be allowed. At 620 kPa, absolute pressure, ammonia evaporates at 10.5°C. The overall heat transfer coefficient of the heat exchanger is 568 W.m2 and the heat transfer surface area is 75 m². Determine the outlet temperatures of the hot and cold streams. Identify whether the heat exchanger, operating under the conditions shown, satisfies the requirement that the ammonia remains liquid throughout the process. Sources for any researched material properties must be properly referenced
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 Exchangers
Heat exchangers are the types of equipment that are primarily employed to transfer the thermal energy from one fluid to another, provided that one of the fluids should be at a higher thermal energy content than the other fluid.
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.
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