Description
ABSTRACT
The performance of Vapor compression refrigeration system (VCRS) depends on the performance of all its components like compressor, condenser, expansion value and evaporator. The current paper is involved in analysis of the effect of condenser length on the performance of on VCRS.
Condenser is a heat exchanger where heat transfer takes place between the super heated refrigerant received from the compressor and the cooling medium of the condenser. The condenser removes the heat from refrigerant which received in two stages. Heat is received by the refrigerant in the evaporator and also heat is added by the compressor during compression. The refrigerant is first cooled to saturation and then condensed to liquid state. In Domestic refrigerator the condenser coil is used to discharge the heat from the refrigerant after operating the compression to the atmosphere. In this present work a condenser coil with different lengths are tested.
In the present work condenser with variable length ((9.45m, 9.75m, 10.06m) has been used for this investigation by keeping the diameter as constant and compared with existing condenser of 9.14m length. The results shown that 9.75m length condenser coil gives optimum performance than the remaining which gives higher COP, higher heat rejection, refrigeration effect and lower power consumption.
TABLE OF CONTENTS
COVER PAGE
TITLE PAGE
APPROVAL PAGE
DEDICATION
ACKNOWELDGEMENT
ABSTRACT
CHAPTER ONE
1.0 INTRODUCTION
1.1 BACKGROUND OF THE STUDY
- AIM OF THE STUDY
- OBJECTIVE OF THE STUDY
- PURPOSE OF THE STUDY
- SIGNIFICANCE OF THE STUDY
- AREA OF APPLICATION OF THE STUDY
CHAPTER TWO
LITERATURE REVIEW
- OVERVIEW OF CONDENSER
- REVIEW OF THE RELATED STUDY
- REVIEW OF DIFFERENT TYPES OF CONDENSERS
- APPLICATIONS OF A CONDENSER
- REFRIGERATION AS RELATED TO THERMODYNAMICS
CHAPTER THREE
3.0 METHODOLOGY
3.1 SELECTION OF CONDENSER
3.2 EXPERIMENTAL SETUP
3.3 EXPERIMENTAL PROCEDURE
3.4 PERFORMANCE CALCULATIONS
CHAPTER FOUR
- RESULT
- CALCULATION OF PERFORMANCE PARAMETERS
CHAPTER FIVE
- CONCLUSION
- REFERENCES
CHAPTER ONE
1.0 INTRODUCTION
A simple vapour compression refrigeration system consists of mainly five components namely compressor, condenser, expansion device, evaporator and a filter/drier as shown in the figure below. The following study is focused towards finding out the effect of the condenser tube on the performance of the refrigeration system. A condenser tube is a small diameter tube which is used for the rejection of heat from refrigerant to surroundings to decrease the temperature of refrigerant or change of phase of the flowing fluid. The pressure difference between the entry and exit ends of the condenser tube is always equal to the discharge pressure of compressor. The effect of the condenser has been investigated by many researchers in the past and encouraging results were obtained.
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