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Design and Construction of a Bedside Refrigerator

Design and Construction of a Bedside Refrigerator

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DEDICATION

This research material, titled “Design and Construction of a Bedside Refrigerator” is dedicated to God for His boundless grace and guidance. It is also a tribute to all computer enthusiasts whose contributions made my research journey smoother and enriched my documentation process, making the experience truly fulfilling.



ACKNOWLEDGEMENT

I am profoundly grateful to everyone who contributed to the successful completion of this project. I am especially grateful to my Supervisor (Name), the Head of Department (Name), and the Lecturers in the Department of Mechanical Engineering for their invaluable guidance and support. I also acknowledge the contributions of authors and scholars whose works on Design and Construction of a Bedside Refrigerator provided essential insights. Special thanks go to my study area (and any funding organizations, if applicable) for their financial assistance. I am equally thankful to stakeholders, including mentors, teachers, and colleagues, for their encouragement and support. Finally, I deeply appreciate my family and friends for their patience and unwavering support throughout this journey. Your contributions have been instrumental in making this research a reality.



TABLE OF CONTENTS

PRELIMINARY PAGES

CHAPTER ONE

  • 1.0 Introduction
  • 1.1 Historical Background
  • 1.2 Research Problem
  • 1.3 Justification and Objective
  • 1.4 Scope of study
  • 1.5 Limitations

CHAPTER TWO

  • 2.1 Vapor Compression Refrigeration System
  • 2.2 Operation of Vapor Compressions Refrigeration System V.C.R.S
  • 2.3 Simple V.C.R.S Mechanism
  • 2.4 Vapor Absorption Refrigeration System
  • 2.5 Simple Vapor Absorption Refrigeration System
  • 2.6 Advantages of Vapor Absorption Refrigeration System V.A.R.S
  • 2.7 Refrigerants and Absorbents; and comparison between various solid absorbents pairs

CHAPTER THREE

  • 3.0 Fundamental Terms
  • 3.1 Heat
  • 3.2 Basic Components
  • 3.3 Component Functions

CHAPTER FOUR

  • 4.0 Methodology
  • 4.1 Operation of the Refrigerator
  • 4.2 Result Obtain
  • 4.3 Discussion of the Result

CHAPTER FIVE

  • 5.1 Conclusion
  • 5.2 Recommendation
  • 5.3 REFERENCES
  • 5.4 APPENDIX

ABSTRACT

Refrigeration processes have developed from the primitive ice cooling system to complex industrial applications. The principle however remain the same, effecting provision of cold space for the preservation, cooling or hardening of substances such as foods, beverages, drugs, vaccines and chemicals. The presence of heat and moisture cause micro-organism to infest the mentioned items therefore, the temperature must be reduced and this is carried out by using refrigerator to withdraw the excess heat and moisture.

This project is introductory in perspective and it also highlights the basic principles and maintenance services. It will enable anybody concerned to know which refrigerant to apply to different types of refrigerating units and what to do whenever a fault occurs. This project can also be referred to at any point in time whenever it is to be improved upon in the nearest future.


Design and Construction of a Bedside Refrigerator

CHAPTER ONE

1.0 Introduction

Ordinarily, refrigeration stands for the production of a cool confinement with respect to the surroundings. The Americans Society of Refrigerating Engineers (ASRE) defines refrigeration as “the science of providing and maintaining temperature below that of the surroundings atmosphere”. Other definition put refrigeration as “the artificial withdrawal of the heat produced within a space or by substance and provision of a temperature lower than that which would exist under the influence of the surroundings”.

A refrigerator (colloquially fridge) is also a common household appliance that consist of a thermally insulated compartment and a heat pump(mechanical, electronic or chemical) that transfers heat from the inside of the fridge to its external environment so that the inside of the fridge is cooled to a temperature below the ambient temperature of the room cooling in a popular food storage techniques in developed countries.

In a simple form, refrigeration is a branch of science that deals with heat removal and maintaining of a low temperature in a confined space.

1.1 Historical Background

Since the end of the First World War, the rise in our standard of living has become more and more noticeable than any other time in history. We live in an age of progress as new ideas are constantly being developed and industries springing up everywhere with a view to making life more meaningful for mankind.

…

CHAPTER TWO

2.0 Literature Review

2.1 Introduction

This chapter focuses on the review of related literature. A literature review includes the current knowledge as well as theoretical and methodological contributions to a particular topic. It documents the state of the art with respect to the topic you are writing. It surveys the literature in the topic selected. In this research work the literature review includes the conceputal review, theoretical framework, the review of related literature …

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Defense Procedure for Mechanical Engineering Researchers

In preparation for defending a project or seminar on Design and Construction of a Bedside Refrigerator, it is imperative that as a nursing student, you demonstrate comprehensive knowledge of your research. The defense process is structured to include presenting your work, answering questions, and illustrating its pertinence. Initially, provide a succinct yet thorough introduction to your research topic, emphasizing its importance and the objectives, ensuring that both the audience and the External Examiner can understand the scope of your study.

Prior to your defense, be thoroughly acquainted with your research abstract and the critical elements of Chapter One, including motivation for embarking on this research, problem statement, objectives, and significance. In Chapter Two, be ready to cite at least two references from the literature review. For Chapter Three, you should be equipped to discuss the methodologies, tools, and techniques utilized. In Chapter Four, defend your research by justifying the findings and linking them to your research objectives.

Conclude your defense by succinctly summarizing the study and offering insightful, evidence-based recommendations. A professional dress code, such as wearing a suit and tie, is vital to create a favorable impression and elevate your presentation.

During the question and answer segment, the External Examiner may pose questions pertaining to your research. If confronted with a challenging or irrelevant question, respond diplomatically with, “Sorry, Sir/Madam, the question asked is beyond the scope of my study.” Whenever possible, direct your answers back to your research findings to reinforce your expertise.

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