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清潔與可再生能源研究:風能
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References
本書匯集了清潔可再生能源研究風能分冊方向的八篇碩士研究生論文,主要內容涉及了非常規風力機葉片翼型的氣動性能研究與CFD仿真、雙饋風機低電壓穿越勵磁控制技術研究、停擺風力機葉片渦致振動數值分析等多個具體研究課題。
最新章節
- References
- 5.2 Future Work
- 5.1 Summary
- 5 Summary and Future Work
- 4.3 Conclusion
- 4.2 The Influence of the Swept Angle of Blade
上架時間:2021-04-09 16:29:13
出版社:中國水利水電出版社
上海閱文信息技術有限公司已經獲得合法授權,并進行制作發行
- References 更新時間:2021-04-09 18:42:33
- 5.2 Future Work
- 5.1 Summary
- 5 Summary and Future Work
- 4.3 Conclusion
- 4.2 The Influence of the Swept Angle of Blade
- 4.1 The Influence of the Solidity
- 4 Parametric Study
- 3.4 Conclusion
- 3.3 Validation of the 3D Code
- 3.2 Validation of the 2D Code
- 3.1 Description of the Experiment
- 3 Model Validation
- 2.2 Description of the 3D Code-GENUVP
- 2.1 Description of 2D Code
- 2 Description of the Tools
- 1.4 The Structure of the Thesis
- 1.3 Literature Review
- 1.2 The Basics of Vertical Axis Wind Turbine
- 1.1 The Significance of Wind Energy
- 1 Introduction
- Abstract
- 8 Aerodynamic Study of Vertical Axis Wind Turbines (VAWT)Using Free Wake Models
- References
- Appendix
- 5 Summary
- 4.4 Optimization Process on Battery Capacity of PV and Wind Grid-connected Power System
- 4.3 Matlab GA Toolbox
- 4.2 Genetic Algorithm
- 4.1 Introduction
- 4 The Optimal Configuration of Energy Storage Devices
- 3.4 Mathematical Model of BES
- 3.3 The Mathematical Model and Control System of SMES
- 3.2 The Effect of Energy Storage Devices
- 3.1 Introduction
- 3 The Effect of Energy Storage System on Grid-connected PV and Wind Power System
- 2.5 The Comparison of Different Energy Storage Devices
- 2.4 SCESS (Super Capacitor Energy Storage System)
- 2.3 FESS (Flywheel Energy Storage System)
- 2.2 BESS (Battery Energy Storage System)
- 2.1 SMESS (Superconducting Magnetic Energy Storage System)
- 2 The Application Status of Energy Storage Device
- 1.4 Main Work
- 1.3 Study Status of Optimization Configuration of Energy Storage System Capacity
- 1.2 Study Status of Energy Storage Device
- 1.1 Research Background
- 1 Introduction
- Abstract
- 7 Application Status and Simulation Studies of Energy Storage Devices in Grid-connected PV and Wind Power Plants
- References
- 6.2 Future Work
- 6.1 Summary
- 6 Summary and Future Work
- 5.4 Conclusion
- 5.3 Simulation Results
- 5.2 Input Parameters for the Structural Model
- 5.1 Description of the Structural Model
- 5 Elastically Mounted Airfoil Simulation
- 4.3 Conclusion
- 4.2 Simulation Results and Analysis
- 4.1 Definition of the Motion
- 4 Imposed Motion Simulation
- 3.4 Conclusion
- 3.3 FFT Analysis of the Load Coefficients Time Series
- 3.2 Simulation Results for Cut-off Function Ⅱ
- 3.1 Simulation Results for Cut-off Function Ⅰ
- 3 Steady State Prediction
- 2.6 Conclusion
- 2.5 The Near Wake Segment Limitation
- 2.4 The Minimum Distance Between Point Vortex and Airfoil Surface
- 2.3 Separation Point Position
- 2.2 Time Step
- 2.1 The Number of Panels
- 2 Parametric Study of the Code
- 1.3 Description of the Free Wake Code
- 1.2 Method and Goal of This Study
- 1.1 Vortex-induced Vibration (VIV)
- 1 Introduction
- Abstract
- 6 Investigation of Vortex-induced Vibrations Using a Free Wake Code
- References
- 6 Conclusion
- 5.2 Fault Generator
- 5.1 DFIG
- 5 Case Study
- 4.2 Effect of Fault and Recovery Time
- 4.1 Simulation
- 4 Simulation Study
- 3 An Improved Current Control Strategy
- 2.4 The Analysis of Suitable Rotor Current Reference
- 2.3 The Reported LVRT Control Strategies
- 2.2 Simulation on Transient Analysis
- 2.1 Transient Analysis with Crowbar Protection
- 2 Transient Analysis and LVRT Strategies of DFIG
- 1.2 Mathematical Model
- 1.1 LVRT and DFIG
- 1 Introduction
- Acronyms and Abbreviations
- Notation
- Abstract
- 5 An Improved Control Strategy of Doubly-fed Wind Turbine under Voltage Dips Based on Lenz Law
- References
- 5.2 Prospect
- 5.1 Summary
- 5 Summary and Prospect
- 4.3 Results and Discussion
- 4.2 CFD Method
- 4.1 Three Designed Airfoils and Grids
- 4 Numerical Simulation for Three Designed Airfoils
- 3.3 Results,Comparison and Discussion
- 3.2 Method and Conditions
- 3.1 Airfoil and Grid
- 3 Validation
- 2.2 Steps
- 2.1 Method
- 2 Airfoil Design
- 1.3 Research Topic
- 1.2 Research Infrastructure
- 1.1 Wind Energy
- 1 Introduction
- Abstract
- 4 Analysis of the Aerodynamic Behavior of Non-Conventional Airfoil Shapes Using Computational Fluid Dynamics (CFD)
- 參考文獻
- 7.2 展望
- 7.1 總結
- 7 總結與展望
- 6.4 本章小結
- 6.3 模擬結果及分析
- 6.2 氣彈耦合模擬
- 6.1 彈性模型
- 6 彈性支撐翼型模擬
- 5.4 本章小結
- 5.3 “鎖定現象”與渦致振動
- 5.2 模擬結果分析
- 5.1 弦向振動以及部分參數的定義
- 5 翼型受迫振動模擬
- 4.4 本章小結
- 4.3 氣動力系數的FFT分析
- 4.2 切斷函數Ⅱ的模擬結果
- 4.1 切斷函數Ⅰ的模擬結果
- 4 翼型空氣動力性能預測
- 3.6 本章小結
- 3.5 近尾流面元的限制
- 3.4 尾流中點渦與翼型表面的最小距離
- 3.3 分離點位置
- 3.2 時間步長
- 3.1 翼型面元數
- 3 模型參數研究
- 2.4 切斷函數
- 2.3 數值模型
- 2.2 數學模型
- 2.1 模型簡介
- 2 雙尾流模型
- 1.4 本文研究方法及主要內容
- 1.3 渦致振動研究進展
- 1.2 渦致振動現象簡介
- 1.1 研究背景
- 1 緒論
- 摘要
- 3 停擺風力機葉片渦致振動數值分析
- 參考文獻
- 5.2 展望
- 5.1 總結
- 5 總結與展望
- 4.4 本章小結
- 4.3 低電壓穿越實驗
- 4.2 故障跌落裝置實驗
- 4.1 實驗平臺簡介
- 4 實驗驗證
- 3.5 本章小結
- 3.4 故障及恢復時刻的影響
- 3.3 反向電流跟蹤控制策略仿真分析
- 3.2 反向電流跟蹤控制策略
- 3.1 LVRT轉子電流需求分析
- 3 改進型反向電流跟蹤控制策略
- 2.4 本章小結
- 2.3 端口等效阻抗分析
- 2.2 暫態分析方法
- 2.1 雙饋感應電機數學模型
- 2 DFIG的暫態過程及端口等效阻抗分析
- 1.3 主要研究內容
- 1.2 雙饋風力發電機低電壓穿越技術研究現狀
- 1.1 風力發電概況
- 1 緒論
- 摘要
- 2 雙饋風機低電壓穿越勵磁控制技術研究
- 參考文獻
- 6.2 展望
- 6.1 結論
- 6 結論和展望
- 5.4 本章小結
- 5.3 結果和討論
- 5.2 CFD方法
- 5.1 三個設計翼型和網格劃分
- 5 設計翼型的數值模擬
- 4.4 本章小結
- 4.3 結果、對比和討論
- 4.2 驗證方法和初始條件
- 4.1 翼型和網格
- 4 程序驗證
- 3.3 本章小結
- 3.2 設計步驟
- 3.1 設計方法
- 3 翼型設計
- 2.5 本章小結
- 2.4 AIRFsst程序介紹
- 2.3 CFD理論
- 2.2 XFOIL程序介紹
- 2.1 翼型設計理論
- 2 理論與工具
- 1.4 本章小結
- 1.3 研究背景
- 1.2 研究范疇
- 1.1 研究意義
- 1 緒論
- 摘要
- 1 非常規風力機葉片翼型的氣動性能研究與CFD仿真
- Preface
- 前言
- 版權信息
- 封面
- 封面
- 版權信息
- 前言
- Preface
- 1 非常規風力機葉片翼型的氣動性能研究與CFD仿真
- 摘要
- 1 緒論
- 1.1 研究意義
- 1.2 研究范疇
- 1.3 研究背景
- 1.4 本章小結
- 2 理論與工具
- 2.1 翼型設計理論
- 2.2 XFOIL程序介紹
- 2.3 CFD理論
- 2.4 AIRFsst程序介紹
- 2.5 本章小結
- 3 翼型設計
- 3.1 設計方法
- 3.2 設計步驟
- 3.3 本章小結
- 4 程序驗證
- 4.1 翼型和網格
- 4.2 驗證方法和初始條件
- 4.3 結果、對比和討論
- 4.4 本章小結
- 5 設計翼型的數值模擬
- 5.1 三個設計翼型和網格劃分
- 5.2 CFD方法
- 5.3 結果和討論
- 5.4 本章小結
- 6 結論和展望
- 6.1 結論
- 6.2 展望
- 參考文獻
- 2 雙饋風機低電壓穿越勵磁控制技術研究
- 摘要
- 1 緒論
- 1.1 風力發電概況
- 1.2 雙饋風力發電機低電壓穿越技術研究現狀
- 1.3 主要研究內容
- 2 DFIG的暫態過程及端口等效阻抗分析
- 2.1 雙饋感應電機數學模型
- 2.2 暫態分析方法
- 2.3 端口等效阻抗分析
- 2.4 本章小結
- 3 改進型反向電流跟蹤控制策略
- 3.1 LVRT轉子電流需求分析
- 3.2 反向電流跟蹤控制策略
- 3.3 反向電流跟蹤控制策略仿真分析
- 3.4 故障及恢復時刻的影響
- 3.5 本章小結
- 4 實驗驗證
- 4.1 實驗平臺簡介
- 4.2 故障跌落裝置實驗
- 4.3 低電壓穿越實驗
- 4.4 本章小結
- 5 總結與展望
- 5.1 總結
- 5.2 展望
- 參考文獻
- 3 停擺風力機葉片渦致振動數值分析
- 摘要
- 1 緒論
- 1.1 研究背景
- 1.2 渦致振動現象簡介
- 1.3 渦致振動研究進展
- 1.4 本文研究方法及主要內容
- 2 雙尾流模型
- 2.1 模型簡介
- 2.2 數學模型
- 2.3 數值模型
- 2.4 切斷函數
- 3 模型參數研究
- 3.1 翼型面元數
- 3.2 時間步長
- 3.3 分離點位置
- 3.4 尾流中點渦與翼型表面的最小距離
- 3.5 近尾流面元的限制
- 3.6 本章小結
- 4 翼型空氣動力性能預測
- 4.1 切斷函數Ⅰ的模擬結果
- 4.2 切斷函數Ⅱ的模擬結果
- 4.3 氣動力系數的FFT分析
- 4.4 本章小結
- 5 翼型受迫振動模擬
- 5.1 弦向振動以及部分參數的定義
- 5.2 模擬結果分析
- 5.3 “鎖定現象”與渦致振動
- 5.4 本章小結
- 6 彈性支撐翼型模擬
- 6.1 彈性模型
- 6.2 氣彈耦合模擬
- 6.3 模擬結果及分析
- 6.4 本章小結
- 7 總結與展望
- 7.1 總結
- 7.2 展望
- 參考文獻
- 4 Analysis of the Aerodynamic Behavior of Non-Conventional Airfoil Shapes Using Computational Fluid Dynamics (CFD)
- Abstract
- 1 Introduction
- 1.1 Wind Energy
- 1.2 Research Infrastructure
- 1.3 Research Topic
- 2 Airfoil Design
- 2.1 Method
- 2.2 Steps
- 3 Validation
- 3.1 Airfoil and Grid
- 3.2 Method and Conditions
- 3.3 Results,Comparison and Discussion
- 4 Numerical Simulation for Three Designed Airfoils
- 4.1 Three Designed Airfoils and Grids
- 4.2 CFD Method
- 4.3 Results and Discussion
- 5 Summary and Prospect
- 5.1 Summary
- 5.2 Prospect
- References
- 5 An Improved Control Strategy of Doubly-fed Wind Turbine under Voltage Dips Based on Lenz Law
- Abstract
- Notation
- Acronyms and Abbreviations
- 1 Introduction
- 1.1 LVRT and DFIG
- 1.2 Mathematical Model
- 2 Transient Analysis and LVRT Strategies of DFIG
- 2.1 Transient Analysis with Crowbar Protection
- 2.2 Simulation on Transient Analysis
- 2.3 The Reported LVRT Control Strategies
- 2.4 The Analysis of Suitable Rotor Current Reference
- 3 An Improved Current Control Strategy
- 4 Simulation Study
- 4.1 Simulation
- 4.2 Effect of Fault and Recovery Time
- 5 Case Study
- 5.1 DFIG
- 5.2 Fault Generator
- 6 Conclusion
- References
- 6 Investigation of Vortex-induced Vibrations Using a Free Wake Code
- Abstract
- 1 Introduction
- 1.1 Vortex-induced Vibration (VIV)
- 1.2 Method and Goal of This Study
- 1.3 Description of the Free Wake Code
- 2 Parametric Study of the Code
- 2.1 The Number of Panels
- 2.2 Time Step
- 2.3 Separation Point Position
- 2.4 The Minimum Distance Between Point Vortex and Airfoil Surface
- 2.5 The Near Wake Segment Limitation
- 2.6 Conclusion
- 3 Steady State Prediction
- 3.1 Simulation Results for Cut-off Function Ⅰ
- 3.2 Simulation Results for Cut-off Function Ⅱ
- 3.3 FFT Analysis of the Load Coefficients Time Series
- 3.4 Conclusion
- 4 Imposed Motion Simulation
- 4.1 Definition of the Motion
- 4.2 Simulation Results and Analysis
- 4.3 Conclusion
- 5 Elastically Mounted Airfoil Simulation
- 5.1 Description of the Structural Model
- 5.2 Input Parameters for the Structural Model
- 5.3 Simulation Results
- 5.4 Conclusion
- 6 Summary and Future Work
- 6.1 Summary
- 6.2 Future Work
- References
- 7 Application Status and Simulation Studies of Energy Storage Devices in Grid-connected PV and Wind Power Plants
- Abstract
- 1 Introduction
- 1.1 Research Background
- 1.2 Study Status of Energy Storage Device
- 1.3 Study Status of Optimization Configuration of Energy Storage System Capacity
- 1.4 Main Work
- 2 The Application Status of Energy Storage Device
- 2.1 SMESS (Superconducting Magnetic Energy Storage System)
- 2.2 BESS (Battery Energy Storage System)
- 2.3 FESS (Flywheel Energy Storage System)
- 2.4 SCESS (Super Capacitor Energy Storage System)
- 2.5 The Comparison of Different Energy Storage Devices
- 3 The Effect of Energy Storage System on Grid-connected PV and Wind Power System
- 3.1 Introduction
- 3.2 The Effect of Energy Storage Devices
- 3.3 The Mathematical Model and Control System of SMES
- 3.4 Mathematical Model of BES
- 4 The Optimal Configuration of Energy Storage Devices
- 4.1 Introduction
- 4.2 Genetic Algorithm
- 4.3 Matlab GA Toolbox
- 4.4 Optimization Process on Battery Capacity of PV and Wind Grid-connected Power System
- 5 Summary
- Appendix
- References
- 8 Aerodynamic Study of Vertical Axis Wind Turbines (VAWT)Using Free Wake Models
- Abstract
- 1 Introduction
- 1.1 The Significance of Wind Energy
- 1.2 The Basics of Vertical Axis Wind Turbine
- 1.3 Literature Review
- 1.4 The Structure of the Thesis
- 2 Description of the Tools
- 2.1 Description of 2D Code
- 2.2 Description of the 3D Code-GENUVP
- 3 Model Validation
- 3.1 Description of the Experiment
- 3.2 Validation of the 2D Code
- 3.3 Validation of the 3D Code
- 3.4 Conclusion
- 4 Parametric Study
- 4.1 The Influence of the Solidity
- 4.2 The Influence of the Swept Angle of Blade
- 4.3 Conclusion
- 5 Summary and Future Work
- 5.1 Summary
- 5.2 Future Work
- References 更新時間:2021-04-09 18:42:33