声明
ABSTRACT
摘要
TABLE OF CONTENTS
NOMENCLATURE
CHAPTER 1：INTRODUCTION
1．1 Background and significance of the subject
1．1．1 Adsorption cooling as a green refrigeration technology
1．1．2 Solar powered adsorption refrigeration systems
1．1．3 Drawback of solar powered adsorption systems and relevance of this research work
1．2 A brief literature survey of adsorption refrigeration technology
1．2．1 Theory and development of adsorption refrigeration
1．2．2 Basic sorption system
1．2．3 Sorption types
1．2．4 Adsorption working pairs
1．2．5 Heat and mass transfer enhancement techniques in adsorption bed
1．2．6 Adsorption refrigeration cycles
1．3 Research objective
1．4 Thesis structure
CHAPTER 2：THEORETICAL INVESTIGATION OF A MULTIMODAL THERMOCHEMICAL SORPTION REFRIGERATION SYSTEM
2．1 Working principle of the multimodal sorption refrigeration system
2．1．1 Machine Components
2．1．2 The Double-way sorption cycle
2．1．3 The Double-effect cycle
2．1．4 The double-stage cycle
2．2 Selection of working pairs and thermodynamic analysis under different cycles
2．2．1 Selection of working pairs
2．2．2 Thermodynamic analysis of different sorption refrigeration cycles
2．3 Performance evaluation of the multimodal system under different cycles
2．3．1 COP equations for the different working modes
2．3．2 Determination of COP for the different cycles
2．4 Assessment of the feasibility of the internal heat recovery process
2．5 Chapter summary
CHAPTER 3：EXPERIMENTS WITH SINGLE REACTORS
3．1 Experimental set up for single reactor test unit
3．1．1 Adsorption beds
3．1．2 Condenser and evaporator
3．1．3 Installed measuring instruments
3．2 Experiments and analysis of the LTB sorption test unit
3．2．1 Experimental conditions
3．2．2 Performance of the LTB cooling unit
3．2．3 Response surfaces
3．2．4 Analysis of the effect of independent variables using ANOVA method
3．3 Experiments and analysis of the MnCl2 adsorption bed
3．4 Chapter Summary
CHAPTER 4：EXPERIMENTAL STUDY ON THE MULTIMODAL SORPTION REFRIGERATION SYSTEM
4．1 Design and Experimental set up of the multimodal refrigeration machine
4．1．1 System components
4．1．2 Experimental set up of the multimodal test system
4．2 Description of the different working modes
4．2．1 The double way cycle
4．2．2 The double effect cycle
4．2．3 The double stage cycle
4．3 Performance tests on the multimodal refrigeration system
4．3．1 Performance of the double way cycle
4．3．2 Performance of double effect cycle
4．3．3 Performance of the double-stage cycle
4．4 Energy balance of the different cycles
4．4．1 The Double way cycle
4．4．2 The double effect cycle
4．4．3 The double stage cycle
4．5 Discussion of experimental results
4．5．1 Cycle performance
4．5．2 Suitability of the multimodal system for solar energy utilization
4．6 Chapter summary
CHAPTER 5：SECOND LAW ANALYSIS OF THE MULTIMODAL ADSORPTION REFRIGERATION SYSTEM
5．1 Introduction
5．2 Derivation of the Carnot COP expressions for the multimodal system
5．2．1 Double effect cycle
5．2．2 Double stage cycle
5．3 Entropie mean temperature
5．4 Analysis of multimodal refrigeration cycles
5．4．1 Analysis of the HTB operating on conventional cycle
5．4．2 Double Way cycle
5．4．3 Double Effect Cycle
5．4．4 Analysis of double stage cycle
5．5 Chapter summary
CHAPTER 6：CONCLUSION AND RECOMMENDATIONS
REFERENCES
ACKNOWLEDGEMENTS
PUBLICATIONS
