转轮辅助空气冷却取水技术=Atmospheric Water Harvesting System Assisted by Desiccant Wheels:英文/涂壤，刘兰斌著

定价：99.90元

出版时间：2024.3

ISBN 978-7-5024-9738-5

9787502497385

Contents

Chapter 1Reviews of Atmospheric Water Harvesting Technologies1

1.1Atmospheric water harvesting using conventional technologies2

1.1.1Atmospheric water harvesting using condensation technologies2

1.1.2Atmospheric water harvesting using sorption technologies14

1.2Atmospheric water harvesting using other technologies23

1.2.1Innovative technologies for atmospheric water harvesting23

1.2.2Desiccant wheel or membrane assisted technologies for atmospheric

 water harvesting25

1.3Performance limiting factors and solutions of atmospheric water 

harvesting technologies27

1.3.1Performance limiting factors of atmospheric water harvesting 

technologies27

1.3.2Solutions30

1.4Conclusions31

References33

Chapter 2Working Principles of Desiccant Wheels used to 

Dehumidify or Humidify Air372.1Heat and moisture transfer mechanism in desiccant wheel37

2.2Numerical models of the desiccant wheel43

2.2.1Working principles of desiccant wheels43

2.2.2Twodimensionaldoublediffusion model44

2.2.3Onedimensionaldoublediffusion model46

2.2.4Onedimensionalnondiffusion model47

2.3Validations of the mathematic models48

2.3.1Test bench48

2.3.2Validations48

2.4Conclusions58

References60

Chapter 3Performance Analysis of Air Humidification Process

 Using Desiccant Wheels633.1Differences between humidification and dehumidification using 

desiccant wheels63

3.2Air handling process and configurations of the humidifier using 

desiccant wheels64

3.2.1Working principles of air humidification process using 

desiccant wheels64

3.2.2Parametric studies of the proposed air humidification systems66

3.2.3Operating strategies under partial working conditions70

3.3Energy utilization forms of air humidification process using 

desiccant wheels76

3.3.1Working principles of the proposed air humidifier using multistage

desiccant wheels 77

3.3.2Heating systems and system efficiency82

3.3.3Step utilization of heat and heat recovery from lowgrade 

heat sources90

3.4Conclusions99

References101

Chapter 4Performance Analyses and Optimizations of Desiccant

 WheelsAssisted Atmospheric Water Harvesting System Based

 on Ideal Thermodynamic Cycles1034.1Theoretical analysis of the direct cooling water harvesting method103

4.2Performance analysis of humidification processes based on 

ideal desiccant wheels104

4.2.1Construction of ideal desiccant wheels104

4.2.2Humidification processes based on ideal desiccant wheels106

4.2.3Ideal performances of the three humidification systems111

4.3Water harvesting performances using actual desiccant wheels118

4.3.1Parametric study of humidification performances of MSⅡ118

4.3.2Optimization studies of water harvesting performances121

4.4Performance comparisons with the DCWH system126

4.4.1Actual cooling and heating systems driven by VCC127

4.4.2Discussions129

4.5Conclusions132

References134

Chapter 5Performance Analyses of A New System for Water

 Harvesting from Moist Air that Combines MultiStage Desiccant

Wheels and Vapor Compression Cycles1365.1Introduction and analysis of the system’s humidifying module136

5.1.1Introduction of the actual desiccant wheel’s 

humidification process136

5.1.2Performance indexes and influencing factors of the 

humidification process141

5.2System energy consumption analysis142

5.2.1Effects of Ar on WHR143

5.2.2Effects of LDW on WHR145

5.2.3Effects of N on WHR148

5.3Performance analysis with different heat pump systems151

5.3.1Design of highly efficient systems151

5.3.2Effect of tC and ωreg,out on WHE154

5.4Optimal system configurations159

5.5Conclusions164

References167

Chapter 6Performance Analysis of Desiccant WheelsAssisted 

Atmospheric Water Harvesting System with 

Passive Heating and Cooling Sources1686.1Introduction of atmospheric water harvesting system with passive 

heating and cooling sources168

6.2Performance evaluation index for AWHS with passive heating 

and cooling sources171

6.2.1Influence of Ar and N on WHR and WHE171

6.2.2Influence of LDW,total and N on WHR and WHE176

6.3Improvement of humidification process180

6.3.1Working principle of AWHS with parallel humidification units181

6.3.2Performances under typical weather conditions182

6.3.3Effects of th and Δt on WHR*max183

6.4Conclusions189

References191

Chapter 7Performance Analyses and  Optimization Studies of Desiccant

 WheelsAssisted Atmospheric Water Harvesting System under 

Global Ambient Conditions1927.1Introduction of two operation modes192

7.2Selection principle of the two operation modes 197

7.2.1Optimization object197

7.2.2Calculation results of typical operating conditions199

7.3Analysis under global ambient conditions200

7.3.1Selection of operation modes considering daily water 

harvesting rate201

7.3.2Selection of operation mode considering daily water harvesting rate

 and maximum daily operation hours203

7.4Performances of the DWWHS in typical climate zones 209

7.5Conclusions214

References216

Chapter 8Thermal and Economical Performances Analyses of a Desiccant 

WheelsAssisted Atmospheric Water Harvesting System Used in 

Humid Climate Regions2178.1Methodology217

8.1.1Working principle of the water harvesting system217

8.1.2Performance indexes220

8.2Thermal performance analyses under humid ambient conditions224

8.2.1Performance under typical humid ambient conditions225

8.2.2Correlation equations of WHR, PR and PHP232

8.3Economic analyses of the system234

8.4Conclusion239

References241