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THE CONSTRUCTION AND FABRICATED OF A MOBILE DEEP FREEZER

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ABSTRACT
This work on the construction and fabrication of a mobile deep freezer revolves around the concept of refrigeration. The concept of refrigeration revolves around the reverse Carnot cycle. This is  a cycle involving isentropic expansion (at the throttling valve), isothermal expansion (at the evaporator), isentropic compression (at the compressor) and isothermal compressor ( at the condenser) Compression raises the temperatures of the refrigerant above that of its natural surrounding so that it can give up its heat in a heat exchanger to a heat sink such as air or water (condenser). Expansion lowers the refrigerant temperature below the temperature that is to be produced inside the cooling compartment.
TABLE OF CONTENT
Title page
Approval page
Dedication 
Acknowledgment
Abstract
Chapter one: Introduction
Chapter Two: Literature Review
Chapter Three: Design Analysis and Calculations
3.1 Determination and choice of condenser and Evaporator temperature.
3.2 Cooling Load Calculation
3.3 Flow Rate
3.3.1 Mass flow rate
3.3.2 Ton of Refrigeration
3.3.3 Volume flow rate
3.4 Determination of Compressor size
3.5 Determination of pipe size and length
3.5.1 Comparing the velocities for different pipe size.
3.5.2 Summary table.
Chapter Four: Construction Details 
4.1 Material Selection
4.2 Sequence of operation
4.3 Assembly
Chapter Five: Cost Analysis
Chapter Six: Recommendation
6.1 Maintenance and use Instructions
6.1.1 Condenser Maintenance
6.1.2 Defrosting
6.1.3 Other Instructions
6.1.4 Common Complaints, Causes and Remedy
Chapter  Seven: Refrigerants
7.1 Requirements for refrigerants
7.2 Identifying Refrigerants by number
7.3 Halide refrigerants
7.4 Grouping and Classification of refrigerants
7.5 Group one Refrigerants
7.6 R-12 Dichlorodi Fluoromethane (ccl2f2)
7.7 R-22 Monochlorodi fluoromethane (CHCLF2)
7.8 R-11 Trichloromono fluoromethane (CCL3F)
7.9 Azeotropic Mixtures
7.10 R-500 Refrigerant
7.11 R-502 Refrigerant (R-22 + R-115) (CHCLF2/CCLF2 CF3)
7.12 R-503 Refrigerant (R-23 +R-13) (CHF3/CCLF3).
7.13 R-504 Refrigerant (R-32 +R115) (CH2F2 (F3 CCLF2)
7.14 Group  two refrigerants
7.15 R- 717 Ammonia (NH3)
7.16 Group three refrigerants
7.17 Expendable Refrigerants
7.18 Water  as a Refrigerants
7.19 Refrigerant Cylinders
7.20 Color code for refrigerants cylinders
Chapter Eight: Conclusion
Reference.

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