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DESIGN AND DEVELOPMENT OF SOFTWARE FOR SOLVING SHELL AND TUBE HEAT EXCHANGER WITH DOUBLE PASSES

About This Project

The Project File Details

  • Name: DESIGN AND DEVELOPMENT OF SOFTWARE FOR SOLVING SHELL AND TUBE HEAT EXCHANGER WITH DOUBLE PASSES
  • Type: PDF and MS Word (DOC)
  • Size: [3,277 KB]
  • Length: [109] Pages

 

ABSTRACT

The exchange of heat is one of the most important processes in the
chemical industry and the Shell and tube heat exchanger is the
major equipment used to transfer heat from one medium to
another. This research project work on the Computer Aided Design
(CAD) of shell and tube heat exchanger with double passes aims to
provide an easy way to design shell and tube heat exchangers. A
case study question was given and all the necessary calculations in
the thermal design are carried out using Kern’s method of heat.
exchanger design. The thermal design is then used as a guide to the
computer aided design using computer codes.

The computer software program used is the most recent version of
Visual Basic called Visual Basic NET (VB.NET) because of its
numerous advantages over the other software programmes. The
result gotten from the computer aided design was compared to the
result from the thermal design. The computer aided design software
was equally used to test other problems on shell and tube heat
exchanger.

Because the computer aided design was found to be more accurate,
quicker and more efficient, it was recommended for use in
companies and industries.

TABLE OF CONTENTS

Title Page – – – – – – – – – – i
Approval Page – – – – – – – – – ii
Dedication – – – – – – – – – iii
Acknowledgement – – – – – – – – iv
Abstract – – – – – – – – – – v
Table of content – – – – – – – – vi
CHAPTER ONE
1.0 Introduction – – – – – – – – 1
1.1 Aims and Objectives – – – – – – 2
1.2 Scope of the study – – – – – – – 2
1.3 Significance of the study – – – – – – 3

CHAPTER TWO
2.0 Literature Review – – – – – – – 4
2.1 Heat exchanger – – – – – – – 8
2.2 Application – – – – – – – – 10
2.3 Fluids in Heat Exchangers – – – – – 12
2.4 Terms used in Heat Exchangers – – – – 14
2.5 Types of Heat Exchanger – – – – – – 18
2.6 Selection of a Heat Exchanger – – – – – 22
2.7 Factors affecting the performance – – – – 23
2.8 Shell and Tube Heat Exchanger – – – – 28
2.9 Computer Aided Design (Visual Basic.NET) – – 40

vii

CHAPTER THREE
3.0 Methodology – – – – – – – – 48
3.1 Basic design procedure – – – – – – 48
3.2 Parameters for calculation – – – – – 49
3.3 Design Factor – – – – – – – – 53
3.4 Thermal Design- – – – – – – – 53
3.5 Basic heat transfer equation – – – – – 54
3.6 Overall heat transfer coefficient – – – – 56
3.7 Pressure drop – – – – – – – – 59
3.8 Description of Software – – – – – – 59b
3.9 Components of Software – – – – – – 59b

CHAPTER FOUR
4.0 Results and Discussion – – – – – – 60
4.1 Comparison of thermal and computer design – – 62a
4.2 Flow chart of the Design program – – – – 63

CHAPTER FIVE
5.0 Conclusion and Recommendation – – – – 65
REFERENCES – – – – – – – – – 66
APPENDIX A
Statement – – – – – – – – – – 69
APPENDIX B
Tables and Graphs – – – – – – – – – 70
APPENDIX C
Thermal Design – – – – – – – – – – 76
APPENDIX D
Program Codes – – – – – – – – – – 87

CHAPTER ONE

computer programming language Visual Basic (NET)

The factors affecting performance of shell and tube heat exchanger and the pattern of flow of the streams/fluids in them.

Their functions and general applications in Engineering.
3

1.3 SIGNIFICANCE OF THE STUDY

Anyone who wants to use a heat exchanger faces a fundamental
challenge, fully defining the problem to be solved which requires an
understanding of the thermodynamic and transport properties of
fluid. Such knowledge can be combined with some simple
calculations to define a specific heat transfer problem and select an
appropriate heat exchanger.
Heat exchangers serve as straight forward purpose controlling a
system’s or substance’s energy. Although there are many different
sizes, levels of sophistication and types of heat exchangers, they all
use a thermally conducting tube or plate to separate two fluids
such that one can transfer thermal energy to the other.
This study thereby necessitates the need for the design and
development of software for which will lead to near maximum
performance of a heat exchanger.
Finally, the data obtained from this procedure shows that a one
shell-pass and two tube-pass heat exchangers is more efficient than
most heat exchangers in fluids thermal conductivity and transfer
combustion.

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