Example 2 A shell-and-tube exchanger (two shells, four tube passes) is used to heat 10,000 kg/h of pressurized water from 35 to 120°C with 5000 kg/h pressurized water entering the exchanger at 300°C. If the overall heat transfer coefficient is 1500 W/m²K, determine the required heat exchanger area.

Example 2 A shell-and-tube exchanger (two shells, four tube passes) is used to heat 10,000 kg/h of pressurized water from 35 to 120°C with 5000 kg/h pressurized water entering the exchanger at 300°C. If the overall heat transfer coefficient is 1500 W/m²K, determine the required heat exchanger area.

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

Please explain with steps.

Example 2
A shell-and-tube exchanger (two shells, four tube passes) is used to heat 10,000 kg/h of
pressurized water from 35 to 120°C with 5000 kg/h pressurized water entering the exchanger
at 300°C. If the overall heat transfer coefficient is 1500 W/m²K, determine the required heat
exchanger area.

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Step 1: Introduction

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Step 2: Finding outlet temperature of hot water

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Step 3: Finding Log mean temperature difference

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Step 4: Finding heat transfer rate

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Step 5: Finding correction factor

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Step 6: Finding required heat exchanger area

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