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Fabrication Of Domestic Deep Freezer
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ABSTRACT
Refrigeration is term used to denote the maintenance of a body at a temperature lower than that of its surroundings. The applications of refrigeration are many and varied. In addition to the common applications of refrigerationin the manufacture of ice, in the preservation of foods, in air-conditioning filed, and in the creation of skating rinks, the refrigeration effect is also used in the presentation of blood plasma, in the low-temperature treatment of metals and in the liquefaction of gasses. Each application requires a different temperature for the refrigerated space. This project adopts the basic principle of refrigeration to construct a portable deep freezer The historical development of refrigeration system was discussed along with types of refrigeration system, its impact in our life, how it works and so on. Materials for each component were carefully selected. troubleshooting was included in this report to guide the user on repair and maintenance procedures the total the length of the deep freezer is 99 0mm while the base of the bottom is 750mm, the cabinet cover is 1200mm and his side is 750mm. the special feature are aluminum, thermostat, evaporator pipe, drier cooling fan, polystyrene and TL danfos compressor while the cooling temperature is 125°f
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APPENDIX A - [ Total Page(s): 1 ] ... Continue reading---
LIST OF TABLES - [ Total Page(s): 1 ]LIST OF TABLE4.1 Material Selection, Fabrication Details and Assembly 4.3 Bill of Engineering Materials and Evaluation 4.4 Trouble Shooting and Service Chart ... Continue reading---
LIST OF FIGURES - [ Total Page(s): 1 ]LIST OF FIGURERefrigeration Cycle Isometric View of Fabrication of Domestic Deep Freezer Orthographic Projection of Fabrication of Domestic Deep Freezer Explode View of Fabrication of Domestic Deep Freezer ... Continue reading---
TABLE OF CONTENTS - [ Total Page(s): 1 ]TABLE OF CONTENTTitle page Approval page Dedication Acknowledgement Abstract Table of Content List of Tables List of Figure CHAPTER ONE: Introduction1.1 History of Refrigeration 1.2 Important of Refrigeration Application 1.3 Freezer 1.4 Impact of Life Cycle 1.5 Aims and Objectives CHAPTER TWO: LITERATURE REVIEW2.1 Absorption System of Refrigeration 2.2 Mechanism of Absorption system Process 2.3 Vapor Compression System CHAPTER THREE: ... Continue reading---
CHAPTER ONE - [ Total Page(s): 2 ]CHAPTER ONEINTRODUCTION1.1 HISTORY OF REFRIGERATIONBefore the invention of mechanical and thermal refrigeration system, ice houses were used to provide cool storage for most of the year placed near fresh water lakes or packed with snow and ice during the winter, they were once very common (Pauken mike 1999). Natural means are still used to cool, also mountain sides run-off from melting snow is a convenient way to cool drinks, and during the winter, one can keep milk fresh much longer just ... Continue reading---
CHAPTER TWO - [ Total Page(s): 2 ]CHAPTER TWOLITERATURE REVIEW2.1 ABSORPTION SYSTEM OF REFRIGERATION The absorption system is difficult from the compression system. It used heat energy directly instead of mechanical system. It uses heat energy directly instead of mechanical to make change in the deduction necessary to complete as refrigeration cycle. The system may use element as source of heat (Paunken Mike, (1999) ). The system has fewer moving parts and operates relatively quietly. Such systems are used in commerc ... Continue reading---
CHAPTER THREE - [ Total Page(s): 3 ] CHAPTER THREEANALYSIS OF REFRIGERATION SYSTEM AND CHOICE OF PROJECT AS BEST.3.0 THE CYCLE OPERATION OF VAPOR COMPRESSION. The cycle operation of vapor compression is as follow:- The liquid refrigerant (e.g R12) enter the evaporator- As liquid refrigerant and absorbs heat in the evaporator, the vapor is drawn through the suction line to the compressor.- From the compression, the refrigerant is compressed at supper heated temperature and high pressure to the co ... Continue reading---
CHAPTER FOUR - [ Total Page(s): 3 ]CHAPTER FOUR4.2 ASSEMBLY AND INSTALLATION The first stage of the assembly is the laggings materials and its facing the aluminum sheet.4.2.1 LAGGING MATERIAL AND FACING ALUMINUM SHEET The polystyrene is cut to thickness of 25mm. this is used to cover the internal of the cabinet. Then, the laying of evaporators through the polystyrene, one end of the evaporator is welded to the compressor to serve as inlet. The chemical sheet is used to face the polystyrene with the use of gum (e ... Continue reading---
CHAPTER FIVE - [ Total Page(s): 1 ]CHAPTER FIVERECOMMENDATION AND CONCLUSION5.1 RECOMMENDATION- The use of electric voltage regulator (stablizer0 recommended when using the freezer. - It is also recommended that the freezer should be used for domestic purposes.- Preventive maintenance should be carried out as at when due.- The project is unable to modification.- The project is a very good size, it improves students knowledge of thermodynamic engineering therefore it is recommended that this typ ... Continue reading---
REFRENCES - [ Total Page(s): 1 ]REFERENCES 1. Pauken Mike (1999), freezer (www. En.wikipedia.org (2010)).2. Adams Cecil *(2005), important of refrigeration (www. En. Wikipedia. Org, (2010))3. Albert Einsten (1999). Impact on life (www. En. Wikipedia. org).4. Pauken Mike (2001) Thermodynamic analysis (www. En. Wikiopedia. org ).5. Albert Einsten (2001) Refrigerant *(www. En. Wikipedia org ).6. Myers Richard (2003) types of compressor (www. Wikipedia. org). 7. Pauken Mike (1999) ... Continue reading---
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APPENDIX A - [ Total Page(s): 1 ] ... Continue reading---
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