| Acknowledgement | 第1-5页 |
| Table of Contents | 第5-7页 |
| List of Figures | 第7-9页 |
| List of Tables | 第9-10页 |
| Abstract | 第10-12页 |
| 摘要 | 第12-13页 |
| Chapter 1 Introduction | 第13-21页 |
| ·Objective and significance of the thesis | 第13-15页 |
| ·Using water resources of the World | 第13-14页 |
| ·The operation of sprinkler irrigation | 第14页 |
| ·Application informatics technology on research | 第14-15页 |
| ·Literature review | 第15-19页 |
| ·The research impact sprinkler pattern modification | 第15页 |
| ·The research sprinkler droplet size out nozzle | 第15-16页 |
| ·Application CFD on irrigation research | 第16-19页 |
| ·Contents of the thesis | 第19-20页 |
| ·The structure of the thesis | 第20-21页 |
| Chapter 2 Materials and methods | 第21-49页 |
| ·The Rain Bird 30 PSH impact sprinkler | 第21-22页 |
| ·Procedures preparation | 第22-29页 |
| ·Cutting the Rain Bird 30PSH impact sprinkler | 第22-24页 |
| ·Measuring inside parameters of the Rain Bird 30PSH impact sprinkler | 第24-25页 |
| ·The Pro/ENGINEER software | 第25-26页 |
| ·The Gambit software | 第26-27页 |
| ·The Fluent software | 第27-29页 |
| ·Geometric model and grid generation | 第29-31页 |
| ·Mathematical model | 第31-34页 |
| ·The elementary governing equation of numerical methods to study internal flow of the Rain Bird 30PSH sprinkler | 第31-32页 |
| ·The Reynolds-Averaged Navier-Stokes equations | 第32-33页 |
| ·The fundamental turbulence RNG k-ε model | 第33-34页 |
| ·Boundary conditions and numerical method | 第34-35页 |
| ·Simulation internal flow of Rain Bird 30PSH impact sprinkler | 第35-47页 |
| ·Fluent simulation description | 第35页 |
| ·Setup and Solution | 第35-47页 |
| ·Experimental set-ups and procedures | 第47-49页 |
| Chapter 3 Results and discussion | 第49-65页 |
| A.Simulation results | 第49-60页 |
| ·Relationship of flow rates and inlet pressures | 第49-50页 |
| ·The distribution of flow rates between range nozzle and spreader nozzle | 第50-51页 |
| ·The velocity magnitude | 第51-53页 |
| ·Turbulent Kinetic Energy | 第53-55页 |
| ·Standard deviation | 第55-57页 |
| ·Visualization of the flow field | 第57-60页 |
| B.Experiment and Comparison results | 第60-65页 |
| ·Relationship of flow rates and inlet pressures | 第60-63页 |
| ·Experiment results | 第60-61页 |
| ·Comparison of simulated and experimental | 第61页 |
| ·Comparison of simulated and data of Rain Bird company (standard) | 第61-62页 |
| ·Comparison of experimental and data of Rain Bird company (standard) | 第62-63页 |
| ·The distribution of flow rates between range nozzle and spreader nozzle | 第63-65页 |
| ·Experiment results | 第63-64页 |
| ·Comparison of simulated and experimental | 第64-65页 |
| Chapter 4 Conclusions and Suggestions | 第65-67页 |
| ·Conclusions | 第65-66页 |
| ·Suggestions | 第66-67页 |
| References | 第67-71页 |
| Appendix A:Simulation data | 第71-91页 |
| Appendix B:Experiment data | 第91-94页 |
| Appendix C:Manufacturer data | 第94页 |
