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系統識別號 U0026-0107201820060600
論文名稱(中文) 利用測風塔和浮動式光達於彰濱近海區域進行風特性量測比較
論文名稱(英文) Comparisons of Wind Data Measured by Wind Mast and Floating LiDAR in Chanbin Nearshore Area
校院名稱 成功大學
系所名稱(中) 機械工程學系
系所名稱(英) Department of Mechanical Engineering
學年度 106
學期 2
出版年 107
研究生(中文) 強嘉紳
研究生(英文) Mike Koleczko
學號 N16067062
學位類別 碩士
語文別 英文
論文頁數 50頁
口試委員 指導教授-林大惠
口試委員-宣崇堯
口試委員-余政達
口試委員-黃聰文
口試委員-陳一成
中文關鍵字 none 
英文關鍵字 Offshore meteorological mast  Floating LiDAR  Cup anemometer  Offshore wind power 
學科別分類
中文摘要 none
英文摘要 Offshore site selection for wind turbine projects require a detailed assessment of site suitability. In order to evaluate wind speeds at hub heights, the erection of an offshore measurement mast was inescapable in the past. An offshore mast is linked to a consumption of millions of US$, up to 18 months for preparation and installation along with health and safety risks during the construction. To avoid these factors and to make the assessment system more flexible, the replacement of the offshore mast with a floating LiDAR device offers several advantages.
To prove the accuracy of the floating LiDAR WindSentinel buoy manufactured by AXYS Technologies Inc., we recorded data over nearly three months with an offshore measurement mast and with the specified LiDAR device in the Taiwan Strait. Comparing these data, by using the mast as a reference, we are using scatter plot diagrams, in order to judge the data accuracy. Evaluating the data sets for 50 m, 90/95 m and 95/110 m, we achieved satisfying results. All of our generated R2 values fall into the best practice value acceptance criteria, set by the Carbon Trust Roadmap for the Commercial Acceptance of Floating LiDAR Technology, which is > 0.98.
Possible reasons for the non optimal R2 values are the bulky characteristics of the mast, over-speeding of the cup anemometers, the proven uncertainty of 2% for cup anemometers, disturbance of the LiDAR emitted laser, and the distance between the LiDAR and the mast.
Further evaluations on the LiDARs behaviour under the occurrence of typhoons have to be made and conclusions on the resistance of the WindSentinel under the harsh marine conditions in the Taiwan Strait have to be drawn.
論文目次 TABLE OF CONTENTS I
LIST OF TABLES III
LIST OF FIGURES IV
LIST OF ABBREVIATIONS VI
CHAPTER 1: INTRODUCTION 1
1.1 Taiwan’s Shift towards Wind Power 1
1.2 Offshore Wind Power Development 1
1.3 Taiwan - German Energy Policy 4
1.4 Benefits of Using a Floating LiDAR System 5
1.5 Most Relevant Previous Findings 6
1.6 Research Problem and Research Approach 7
1.7 Contribution to the Field of Offshore Site Selection for Wind Farms 8
1.8 Structure (Overview of Chapters) 9
CHAPTER 2: INSTRUMENTATION 11
2.1 Approach and Objectives 11
2.2 Site Selection 11
2.3 Floating LiDAR 12
2.3.1 Model 13
2.3.2 Catch the Wind, Vindicator® III LiDAR 13
2.3.3 Motion Compensation Algorithm 14
2.4 Meteorological Mast System 14
CHAPTER 3: DATA COLLECTION 16
3.1 Measurement Plan 16
3.2 Data Validation Method 16
3.3 Scope and Limitations 17
CHAPTER 4: EVALUATION 19
4.1 Wind Speed Comparison 19
4.2 Wind Direction Comparison 20
4.3 Wave Height 21
4.4 Error Identification and Interpretation 21
4.5 Optimisation Proposal 24
CHAPTER 5: RESULTS 26
5.1 Summary 26
5.2 Conclusion 27
5.3 Outlook 28
CHAPTER 6: BIBLIOGRAPHY 29
CHAPTER 7: TABLES & FIGURES 35
7.1 Tables 35
7.2 Figures 38
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