Key Features:
Chapters: Six
Number of Pages: 45
Format: Ms word
Delivery Rate: Fast
Abstract:
The increasing demand for sustainable and energy-efficient cold storage solutions has led to a growing interest in solar-powered freezers. This Report presents the assembly of a solar-powered freezer as a viable alternative to conventional electricity-dependent refrigeration systems. The objective of this study is to develop a freezer that operates solely on solar energy, reducing reliance on conventional power sources and minimizing the environmental impact.
The assembly involves integrating photovoltaic (PV) panels, energy storage systems, and an efficient cooling mechanism into one system. The PV panels harness sunlight and convert it into electrical energy, which is stored in batteries for continuous operation during periods of limited sunlight. The energy stored in the batteries powers the cooling system of the freezer, maintaining the required low temperatures for storing perishable foods. Key considerations in the process include the selection of appropriate PV panels, battery capacity, and efficient insulation materials to ensure optimal performance.
The assembly of a solar-powered freezer offers several advantages, including reduced dependence on fossil fuel-generated electricity, cost savings on utility bills, and the ability to provide cold storage in remote or off-grid locations. Moreover, the environmentally friendly nature of solar power aligns with the global environmental agenda.
Table of Content:
TABLE OF CONTENTS
Title page i
Certification ii Dedication iii Acknowledgment iv
List of Tables v
List of Figures vi Abstract vii Table of Contents viii
CHAPTER ONE 1.0 INTRODUCTION 1 1.1 Background of the Project 1 1.2 Statement of the Problem 2 1.3 Aims and Objectives 2
1.3.1 Aim 2
1.3.2 Objective 2
1.4 Contribution to Knowledge 3
1.5 Scope of the Project 3 1.6 Definition of Terms 3
CHAPTER TWO 2.0 Literature Review 4 2.1 Conceptual Framework 4 2.2 Historical Background of the Project/Study 4-6 2.3 Overview of relevant technology 6-7
2.4 Solar Power and Capabilities 8
2.4.1 Capabilities of Solar Power 8
2.5 The Workings of Solar Energy 8-9
2.6 Solar Power Refrigerator 9-10
CHAPTER THREE 3.0 RESEARCH METHODOLOGY 11
3.1 Research Design/Components 11 3.1.1 Solar Panels 11-12 3.1.2 Solar Charge Controller 12 3.1.3 Battery 13 3.1.4 Freezer 13-14 3.2 Block by Block Design of the Project 14
CHAPTER FOUR 4.1 TESTING AND EVALUATION 15
4.2 Energy delivered by the Solar 15
4.3 Power input into the Processor 15-16
4.4 Cooling effect created by Refrigerant 16
4.4.1 Operational Refrigerant Temperature 16-17
4.5 Co-efficient of Performance (C.O.P) 18
4.5.1 C.O.P during the day time 18
4.5.2 C.O.P during the night time 18-19
4.6 Principle of Operation of the Project 19-21 4.7 Explanation of the various parts 21 4.7.1 Solar Panels 21-22 4.7.2 Charge Controller 22-23 4.7.3 Battery Bank 23 4.7.4 Compressor 24 4.7.5 Evaporator 24-25 4.7.6 Condenser 25 4.7.7 Thermostat 26
CHAPTER FIVE 5.0 ASSEMBLY OF THE DESIGNED PROJECT 27 5.1 Choice of Materials 27 5.2 Assembling of the Project 28-29 5.3 BEME Table 29 5.4 Test 29
CHAPTER SIX 6.0 CONCLUSION, SUMMARY AND RECOMMENDATIONS 30 6.1 Summary of the project chapter by chapter 30 6.2 Problems Encountered 30-31 6.3 Recommendations 31 6.4 Conclusion 31-32 REFERENCES
Introduction:
CHAPTER ONE
1.0 INTRODUCTION
1.1 Background of the Project
Renewable energies are energy that can be replaced by nature. Due to the high cost and negative impact on the environment of conventional energy generation methods, renewable energy sources must be considered. This is because renewable energy (RE) is freely abundant in nature and has little or no harm to our environment.
There are several important reasons for considering solar energy as an energy resource to meet the needs of developing countries because most of the countries have good solar radiation available. Therefore most of the developing countries are characterized by parched climates, dispersed and inaccessible populations and a lack of investment capital and are thus faced with practically invincible obstacles to the provision of energy by conventional means, for example, by electrification. In contrast to this solar energy is readily available and is already distributed to the potential users.
A solar powered freezer is a freezer which runs on energy directly provided by sun, and it includes photovoltaic or solar panel. Solar powered freezer are able to keep perishable goods such as meat and dairy cool in hot climates, and are used t keep much needed vaccines at their appropriate temperature to avoid spoilage. Solar powered freezers can be used in off-the-grid locations where utility provided AC power is not available.
1.2 Statement of the Problem
In rural areas where electricity may not be available, Solar-powered freezers that operate with or without electricity would be extremely useful to keep perishable goods such as food, meat and are used to keep much-needed vaccines at their appropriate temperature for a long period of time so as to avoid spoilage.
1.3 Aims and Objectives
1.3.1 Aim
The Aim of this project is to develop a Solar Powered Deep Freezer
1.3.2 Objectives
The main objectives of this project are:
1. To design a freezer using solar energy.
2. To assemble solar-powered freezer for the purpose of cooling, freezing and also to keep vaccines at their appropriate temperature.
3. To Identify an area of solar energy utilization usefulness to the developing Countries.
4. To provide a sustainable and environmentally friendly solution for preserving food and other perishable items in areas where access to electricity is limited or unreliable.
1.4 Contribution to Knowledge
The methods and process involved in the development and well documented to serve as guide to researchers, engineers, entrepreneurs and students.
1.5 Scope of the Project
The major limitation of the solar powered freezer is that we are limited by the size of the solar panel rating that we are going to use to power the freezer.
1.6 Definition of Terms
Solar Energy: Solar energy is radiant light and heat from the Sun that is harnessed using a range of technologies such as power to generate electricity, solar thermal energy, and solar architecture.
Solar Panel: Solar panel sometimes also called photovoltaic cells collect energy from the sun in the form of sunlight and convert it into electricity that can be used to power homes and businesses.
Deep Freezer: Equipment which is used to preserve and store food products, medicines and injections, blood samples, etc. for a long period time at a very low temperature.
Battery: Is a source of electric power consisting of one or more electrochemical cells with external connections for powering electrical devices (usually in form of direct current).
Charge Controller: A charge controller limits the rate at which electric current is added or drawn from electric batteries to protect against electrical overload, overcharging, and overvoltage.
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