types of heat exchangers - arab academy for science,...
TRANSCRIPT
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Dr. Eng. Sameh Shaaban
11 May 2014
Chapter 5:
Heat Exchangers
Types of Heat Exchangers
Tue 8:54:24 AM
Slide Nr. 1 of 27 Slides
Dr. Eng. Sameh Shaaban
11 May 2014
Chapter 5:
Heat Exchangers
Types of Heat Exchangers
Tue 8:54:24 AM
Cross flow heat exchanger
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Dr. Eng. Sameh Shaaban
11 May 2014
Chapter 5:
Heat Exchangers
Types of Heat Exchangers
Tue 8:54:24 AM
Cross flow heat exchanger
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Dr. Eng. Sameh Shaaban
11 May 2014
Chapter 5:
Heat Exchangers
Types of Heat Exchangers
Tue 8:54:24 AM
Shell and tube heat exchanger
One shell pass and one tube pass
Slide Nr. 4 of 27 Slides
Dr. Eng. Sameh Shaaban
11 May 2014
Chapter 5:
Heat Exchangers
Types of Heat Exchangers
Tue 8:54:24 AM
Shell and tube heat exchanger
Slide Nr. 5 of 27 Slides
Dr. Eng. Sameh Shaaban
11 May 2014
Chapter 5:
Heat Exchangers
Types of Heat Exchangers
Tue 8:54:24 AM
Shell and tube heat exchanger
Slide Nr. 6 of 27 Slides
Dr. Eng. Sameh Shaaban
11 May 2014
Chapter 5:
Heat Exchangers
Types of Heat Exchangers
Tue 8:54:24 AM
Shell and tube heat exchanger
Slide Nr. 7 of 27 Slides
Dr. Eng. Sameh Shaaban
11 May 2014
Chapter 5:
Heat Exchangers
THE OVERALL HEAT TRANSFER COEFFICIENT
Tue 8:54:24 AM
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Dr. Eng. Sameh Shaaban
11 May 2014
Chapter 5:
Heat Exchangers
THE OVERALL HEAT TRANSFER COEFFICIENT
Tue 8:54:24 AM
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Dr. Eng. Sameh Shaaban
11 May 2014
Chapter 4:
Finned tubes
Fouling Factor
Tue 8:54:24 AM
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Dr. Eng. Sameh Shaaban
11 May 2014
Chapter 4:
Finned tubes
Example
Tue 8:54:24 AM
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Dr. Eng. Sameh Shaaban
11 May 2014
Chapter 4:
Finned tubes
The Log Mean Temp Diff Method
Tue 8:54:24 AM
Slide Nr. 12 of 27 Slides
Dr. Eng. Sameh Shaaban
11 May 2014
Chapter 4:
Finned tubes
The Log Mean Temp Diff Method
Tue 8:54:24 AM
Slide Nr. 13 of 27 Slides
Dr. Eng. Sameh Shaaban
11 May 2014
Chapter 4:
Finned tubes
The Log Mean Temp Diff Method
Tue 8:54:24 AM
Multipass and Cross-Flow Heat Exchangers: Use of a Correction Factor
Slide Nr. 14 of 27 Slides
Dr. Eng. Sameh Shaaban
11 May 2014
Chapter 4:
Finned tubes
The Log Mean Temp Diff Method
Tue 8:54:24 AM
Slide Nr. 15 of 27 Slides
Dr. Eng. Sameh Shaaban
11 May 2014
Chapter 4:
Finned tubes
The Log Mean Temp Diff Method
Tue 8:54:24 AM
Slide Nr. 16 of 27 Slides
Dr. Eng. Sameh Shaaban
11 May 2014
The Log Mean Temp Diff Method
Tue 8:54:24 AM
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Dr. Eng. Sameh Shaaban
11 May 2014
The Log Mean Temp Diff Method
Tue 8:54:24 AM
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Dr. Eng. Sameh Shaaban
11 May 2014
The Log Mean Temp Diff Method
Tue 8:54:24 AM
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Dr. Eng. Sameh Shaaban
11 May 2014
Example
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Dr. Eng. Sameh Shaaban
11 May 2014
THE EFFECTIVENESS–NTU METHOD
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A second kind of problem encountered in heat exchanger analysis is the
determination of the heat transfer rate and the outlet temperatures of the
hot and cold fluids for prescribed fluid mass flow rates and inlet
temperatures when the type and size of the heat exchanger are specified.
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Dr. Eng. Sameh Shaaban
11 May 2014
THE EFFECTIVENESS–NTU METHOD
Tue 8:54:24 AM
The number of transfer units NTU and is expressed as
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Dr. Eng. Sameh Shaaban
11 May 2014
THE EFFECTIVENESS–NTU METHOD
Tue 8:54:24 AM
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Dr. Eng. Sameh Shaaban
11 May 2014
THE EFFECTIVENESS–NTU METHOD
Tue 8:54:24 AM
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Dr. Eng. Sameh Shaaban
11 May 2014
THE EFFECTIVENESS–NTU METHOD
Tue 8:54:24 AM
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Dr. Eng. Sameh Shaaban
11 May 2014
THE EFFECTIVENESS–NTU METHOD
Tue 8:54:24 AM
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Dr. Eng. Sameh Shaaban
11 May 2014
THE EFFECTIVENESS–NTU METHOD
Tue 8:54:24 AM
Slide Nr. 27 of 27 Slides
Dr. Eng. Sameh Shaaban
11 May 2014
Tue 9:03:41 AM