CONTENTS

Certificate i

Acknowledgement ii

Abstract iii

List of figures iv

Nomenclature v

Chapter 1 Introduction 1

1.1 Thermoelectric effect 1

1.2 See back Effect 2

1.3 Thomson Effect 3

1.4 Peltier Effect 4

1.5 Thermoelectric cooling 5

1.6 Material used for making pelteir element 7

1.7 Working Principle 9

1.8 Thermoelectric cooling and its advantage

over the conventional refrigeration

9

1.9 Objective 13

Chapter 2 Literature Review 14

2.1 Literature survey 14

2.2 Conclusion to literature survey 17

2.3 Problem Formulation 17

Chapter 3 Methodology and Calculation 18

3.1 Various steps involved in making vaccine fridge setup 18

3.2 Materials used for making vaccine fridge using Pelteir

crystal

19

3.2.1 Material used for making vaccine fridge using Pelteir

crystal

20

3.3 Calculations 21

3.3.1 Calculations for heat transfer losses and amount of heat to

remove from compartment

21

3.3.2 Pelteir crystal calculations 22

3.3.3 Solar panel calculations 26

3.4 Description of some important parts of the vacuum fridge

using Pelteir crystal

27

3.4.1 Solar Panel 27

3.4.2 Battery 27

3.4.3 MPPT Circuit 28

3.5 Working 28

Chapter 4 Result and discussion 30

4.1 Result and discussion 30

4.2 Advantages of the setup 30

4.3 Limitations 30

Chapter 5 Conclusion and future scope 32

5.1 Conclusion 32

5.2 Future scope 32

Chapter 6 References 33