Solar Chimney Power Plant Generating Technology

1 Introduction

1.1 Background introduction

1.1.1The energy issue and the status quo

1.1.2 China’s energy policy and prospect

1.1.3 Solar power generating technologies and the status quo

1.2 Solar chimney power plant system

1.2.1 The appearance of solar chimney power plant system

1.2.2 Advantages of SCPPS

1.2.3 Weaknesses of SCPPS

1.3 Research progress

1.3.1 Experiments and prototypes

1.3.2 Theoretical research

1.3.3 Economic and ecological theory and feasibility studies

1.3.4 Potential application of SCPPS

1.4 Research contents of this book
References

2 Thermodynamic fundamentals

2.1 Introduction

2.2 Thermodynamic cycle

2.3 Thermal efficiency

2.4 Results and analysis

2.4.1 Computation results for the Spanish prototype

2.4.2 Computation results for commercial SC systems

2.5 Effect of various parameters

2.5.1 Influence of turbine efficiency

2.5.2 Influence of chimney height and diameter

2.5.3  Influence of collector diameter

2.5.4 The influence of the solar radiation

2.5.5 The influence of ambient temperature

2.6  Conclusions
Nomenclature
References

3 Helio-Aero-Gravity (HAG) Effect of SC

3.1 Introduction

3.2 Relative static pressure

3.3 Driving force

3.4 Power output and efficiency

3.5 Results and discussions

3.6 Conclusions
Nomenclature
References

4 Fluid Flow and Heat Transfer of Solar Chimney Power Plant

4.1 Introduction

4.2 Theoretical models

4.2.1 Physics model

4.2.2 Mathematical model

4.2.3 Boundary conditions and solution method

4.3 Results and discussion

4.4 Helical heat-collecting solar chimney power plant system

4.5 Mathematical and Physical Model

4.5.1 Physical model

4.5.2 Mathematical model

4.5.3 Solving determinant condition and solution

4.6 Validition

4.7 Computation results and analysis

4.7.1 Comparison on flow and heat transfer characteristics

4.7.2 Comparison of output power for the two type of models

4.7.3 Comparison of 7different helical-wall SC systems

4.7.4 Contrast on collector’s initial investment

4.8 Conclusion
References

5 Design and simulation method for SC turbines

5.1 Introduction

5.2 Numerical Models

5.3 Mathematical models

5.3.1 In the collector and chimney regions

5.3.2 In the turbine region

5.4 Near-wall treatments for turbulent flows

5.5 Numerical simulation method

5.6 Results and discussions

5.6.1 Validity of the method for the Spanish prototype

5.6.2 Characteristic of 3-blade turbine for the Spanish prototype

5.6.3 Results for MW-graced solar chimney

5.7 Conclusions

6 Energy Storage of Solar Chimney

6.1 Introduction

6.2 Numerical models

6.2.1 System description

6.2.2 Theoretical modeling

6.2.3 Boundary conditions and initial conditions

6.2.4 Solution method

6.3 Reliability of the simulation method

6.4 Results and discussion

6.5 Conclusions
References

7 Numerical Analysis on the Influence of Ambient Crosswind on the Performance of Solar Updraft Power Plant System

7.1 Introduction

7.2 Model Description

7.2.1 Geometric model

7.2.2 Mathematical model

7.2.3 Boundary conditions

7.2.4 Meshing skills

7.2.5 Computational procedure

7.2.6 Selection of ambient geometrical dimensions

7.3 Results and discussion

7.3.1 Comparison of flow performances

7.3.2 Comparison of relative static pressure contours

7.3.3 Comparison of temperature contours

7.3.4 Comparison of system temperature increase, driving force and updraft velocity

7.3.5 Influence of crosswind with turbine pressure drop

7.3.6 Main Findings

7.4 SC Model with blockage

7.5 Results and discussion

7.5.1 Comparison of relative static pressure contours

7.5.2 Flow characteristics near the collector inlet

7.5.3 Comparison of system temperature increase and driving force

7.5.4 Comparison of system output power

7.5.5 Main Findings
References

8 Experimental investigation of a solar chimney prototype

8.1 Introduction

8.2 Experimental setup

8.3 Disposal of measurement points

8.4 Results and discussion

8.4.1Variations of temperature with time

8.4.2 Variations of air temperature and velocity in the chimney

8.4.3 Temperature distributions of the system

8.5 Conclusions
References

9.Research Prospects

9.1 Thermodynamic theory for the large-scale SCPP

9.2 External fluid flow and heat transfer in large-scale channels

9.3 Turbine running theory for the large-scale SCPPS

9.4 The impacts of environmental factors on of large-scale SCPPS

9.5 New-type large-scale SCPPS