Hot coolant water is supplied to a shell and tube heat-exchanger with two shells and twelve tube passes at rate of 1.5 kg/s and a temperature of 350°C. The heat exchanged is used to warm 2.6 kg/s of process water from 15°C to 125°C. Determine the required heat-transfer surface-area when the overall heat transfer coefficient is 1700 W/m-K. You may assume that the water pressure is sufficiently high so that no phase changes occur within the system and the water specific heat is constant at 4.18 kJ/kg.K. Answer: m?

Hot coolant water is supplied to a shell and tube heat-exchanger with two shells and twelve tube passes at rate of 1.5 kg/s and a temperature of 350°C. The heat exchanged is used to warm 2.6 kg/s of process water from 15°C to 125°C. Determine the required heat-transfer surface-area when the overall heat transfer coefficient is 1700 W/m-K. You may assume that the water pressure is sufficiently high so that no phase changes occur within the system and the water specific heat is constant at 4.18 kJ/kg.K. Answer: m?

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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Concept explainers

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.

Question

Hot coolant water is supplied to a shell and tube heat-exchanger with two shells and twelve tube passes at rate of 1.5 kg/s and a temperature of 350°C. The heat exchanged is used to warm 2.6
kg/s of process water from 15°C to 125°C. Determine the required heat-transfer surface-area when the overall heat transfer coefficient is 1700 W/m-K. You may assume that the water pressure is
sufficiently high so that no phase changes occur within the system and the water specific heat is constant at 4.18 kJ/kg.K.
Answer:
m2

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