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Design and operation of a shell and tube heat exchanger

 

Table Of Contents


<p> CHAPTER ONEIntroduction</p><p></p><p>CHAPTER TWO2.0 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; Literature Review</p><p>2.0.1 &nbsp; &nbsp; &nbsp; Classification of heat Exchanger</p><p>2.0.2 &nbsp; &nbsp; &nbsp; Categories of heat exchangers</p><p>2.0.3 &nbsp; &nbsp; &nbsp; Types of heat exchangers</p><p>2.0.4 &nbsp; &nbsp; &nbsp; Material for constructions</p><p>2.0.5 &nbsp; &nbsp; &nbsp; Tube shape and position</p><p>2.0.6 &nbsp; &nbsp; &nbsp; Firing</p><p>2.0.7 &nbsp; &nbsp; &nbsp; Heat source</p><p>2.0.8 &nbsp; &nbsp; &nbsp; Design approval of a heat exchanger</p><p>2.0.9 &nbsp; &nbsp; &nbsp; Designing a heat exchanger</p><p>2.0.10 &nbsp; Essentials in the heat exchanger design</p><p>2.0.11 &nbsp; Step by step approach to designing</p><p>

Chapter THREE

Design algorithm for a shell and tube heat exchanger

Chapter FOUR

Discussion of heat exchanger algorithm computer program

Chapter FIVE

Conclusion and recommendationNomenclatures</p><p>References</p> <br><p></p>

Project Abstract

Abstract
A shell and tube heat exchanger is a widely used type of heat exchanger in various industrial applications due to its versatility and efficiency in heat transfer processes. This research project aims to explore the design and operation aspects of a shell and tube heat exchanger to optimize its performance. The design of a shell and tube heat exchanger involves considerations such as the choice of materials, geometry, and layout to ensure efficient heat transfer between the two fluid streams. Factors such as flow rates, temperature ranges, and pressure drops play a critical role in determining the appropriate design parameters for the heat exchanger. Furthermore, the operation of a shell and tube heat exchanger requires an understanding of the flow patterns, heat transfer coefficients, and overall efficiency of the system. Proper maintenance and monitoring of the heat exchanger are essential to prevent fouling, corrosion, and other issues that may affect its performance over time. This research project will investigate the key principles and calculations involved in the design of a shell and tube heat exchanger, including the determination of heat transfer coefficients, pressure drops, and overall heat exchange effectiveness. Computational tools and simulation techniques will be employed to model and analyze different design scenarios to optimize the performance of the heat exchanger. Moreover, the project will focus on the operational aspects of a shell and tube heat exchanger, including the impact of fluid properties, flow rates, and temperature differentials on its efficiency. Strategies for improving heat transfer performance, enhancing heat exchanger reliability, and reducing energy consumption will be explored to maximize the overall effectiveness of the system. In conclusion, the design and operation of a shell and tube heat exchanger are crucial aspects in ensuring efficient heat transfer processes in various industrial applications. By investigating the fundamental principles and practical considerations involved in the design and operation of these heat exchangers, this research project aims to provide valuable insights for optimizing their performance and enhancing their reliability in industrial settings.

Project Overview

INTRODUCTION

The most common type of heat exchanger used in industry contains a number of parallel tubes enclosed in a shell and is thus called a shell and tube heat exchanger. These heat exchangers are employed when a process required large quantities of fluid to be heated or cooled. Due to their compact design, these heat exchangers contain a large amount of heat transfer area and also provide a high degree of heat transfer efficiency.

Over the years, many different types of shell and tube heat exchangers, have been designed to meet various process requirements. In the industry today, heat exchangers are most often designed with the aid of software program. Given the required specifications for a heat exchanger, these simulators perform the appropriate calculations.

In this project, we try to use a computer approach in designing a shell and tube heat exchanger. We started by designing an algorithm that covers the chemical engineering design such as the estimation of fluid and material properties, film and overall heat transfer coefficient, exchanger surface, tube layout and pressure drop. It also covers the mechanical engineering design of calculating the shell and channel thickness, shell cover thickness, channel cover thickness e.t.c.

These algorithm was translated unto a program using a micro soft visual basic 6.0, an object oriented computer programming language.

With this program, the computer takes over and automatically per for all the complex computations with little or no human effort and gives an output which is the design information needed.


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