MS Thesis R. Hager - Hawaii National Marine Renewable Energy ...

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ContentsLIST OF TABLES .............................................................................................................................. 6LIST OF FIGURES ............................................................................................................................ 7NOMENCLATURE........................................................................................................................... 9CHAPTER 1. INTRODUCTION ................................................................................................. 101.1 Interest in Wave Energy ...................................................................................... 101.2 Advantages of Wave Energy ................................................................................ 111.3 Challenges for Wave Energy ............................................................................... 121.4 Potential Location for Wave Energy ................................................................... 161.5 Literature Review ................................................................................................ 18CHAPTER 2. WAVE ENERGY CONVERSION DEVICE CLASSIFICATION ............. 212.1 Location ............................................................................................................... 212.2 Mode of Motion ................................................................................................. 222.3 Orientation ......................................................................................................... 232.4 Operating Principles .......................................................................................... 242.6 Mooring Systems ................................................................................................ 272.7 Power Take-Off System (P.T.O.) ...................................................................... 28CHAPTER 3. THEORY AND GOVERNING EQUATIONS .............................................. 353.1 Governing Equation and Boundary Conditions ................................................ 353.2 Solving for the Incident Wave Potential ............................................................ 393.3 Force on Bodies ................................................................................................. 433.4 Equations of Motion .......................................................................................... 493.5 Wave Energy ...................................................................................................... 493.6 Power Flux .......................................................................................................... 514
3.7 Absorbed Wave Power ....................................................................................... 523.8 Maximum Power Absorption Efficiency ........................................................... 54CHAPTER 4. NUMERICAL SIMULATIONS .......................................................................... 554.1 Numerical Procedure ......................................................................................... 554.2 AQWA Modeling Procedure .............................................................................. 564.3 Numerical Validation ......................................................................................... 734.4 Numerical Results.............................................................................................. 75CHAPTER 5. PROPOSED EXPERIMENTAL SET-UP AND MEASUREMENT .......... 835.1 Experimental Procedure .................................................................................... 835.2 Experimental Set-up .......................................................................................... 855.3 Body Parameters ................................................................................................ 875.4 Excitation Force Data Collection ...................................................................... 885.5 Wave Gage Data Collection .............................................................................. 1035.6 Data Processing ................................................................................................ 1045.7 Experimental Validation ................................................................................... 1045.8 Experimental Discussion .................................................................................. 106APPENDIX A: MATHEMATICAL DERIVATIONS ........................................................... 109APPENDIX B: FAST FOURIER TRANSFORM MATLAB CODE .................................. 113BIBILIOGRAPHY ......................................................................................................................... 1145
Page 1 and 2: Geometric Effects on Maximum Power
Page 3: ABSTRACTNumerical simulations are c
Page 7 and 8: LIST OF FIGURESFigurePageFigure 1.1
Page 9 and 10: NOMENCLATUREA=incident wave amplitu
Page 11 and 12: 1.2 Advantages of Wave EnergyAdvant
Page 13 and 14: for various projects. Included in t
Page 15 and 16: pollution would occur from hydrauli
Page 17 and 18: Figure 1. 7 Average Annual Wave Pow
Page 19 and 20: Backer (2009) numerically and exper
Page 21 and 22: CHAPTER 2. WAVE ENERGY CONVERSION D
Page 23 and 24: 2.3 OrientationOrientation is defin
Page 25 and 26: Figure 2.4 Oscillating Water Column
Page 27 and 28: 2.5 Reference PointMeans of reactio
Page 29 and 30: Linear GeneratorTurbineRotary Gener
Page 31 and 32: Table 2. 1 WEC ClassificationsDevic
Page 33 and 34: 33P.T.O.MooringReferencePointOperat
Page 35 and 36: CHAPTER 3. THEORY AND GOVERNING EQU
Page 37 and 38: F(x,z,t) z 0DFDtFt u F 0 0 (4
Page 39 and 40: in ni(13)on S for i=1, 3in( r n)i3
Page 41 and 42: I iAg e ekz i( kx t)(30)cosh( k(z
Page 44 and 45: where ijkis the permutation symbol.
Page 46 and 47: Mw k ieitS( D I) ijkrinjdS(46)3.3.3
Page 48 and 49: Due to Kirchhoff decomposition, rec
Page 50 and 51: TE KE PE 20L Asin(kx) 1 2(61)dV d
Page 52 and 53: P I Iw dS (70)tnSIf the column
Page 54 and 55:
221 2P gA C(77)max g2 3.8 Maximum
Page 56 and 57:
4.2 AQWA Modeling ProcedureThe user
Page 58 and 59:
: Local data has changed, and the c
Page 60 and 61:
Figure 4. 5 Drawing in Design Modul
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12. Delete all lines inside the cur
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22. Edit the details of the slice u
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Figure 4. 15 Details of the Part7.
Page 68 and 69:
Figure 4. 17 Details of the Mesh4.2
Page 70 and 71:
Figure 4. 21 Detials of the Wave Di
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5. Highlight Diffraction + Froude-K
Page 74 and 75:
Table 4.1 Body Dimensions for Numer
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concavity from concave down to conc
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Figure 4. 29 Maximum Power Absorpti
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Table 4. 3 Numerical ResultsBodyNo.
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BodyNo.Bodyλ atT=2.1λ atT=1.0λ a
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WAVEFigure 5. 1 Body Faces Wave Mak
Page 86 and 87:
The body connects to the aluminum p
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also allowed for flexibility in cre
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AB1 23 4 5 6 7CD8 9 10 11EFigure 5.
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and minimum voltage range of the DA
Page 94 and 95:
Figure 5. 11 Deleting a Step from L
Page 96 and 97:
Figure 5. 14 Recording Options, Sig
Page 98 and 99:
Figure 5. 17 Right-mouse Click on t
Page 100 and 101:
Zero-OffsetThe Zero-Offset step rem
Page 102 and 103:
Figure 5. 24 Filter Step Set-up, Co
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5.6 Data ProcessingFigure 5. 26 Wav
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5.8 Experimental DiscussionAs menti
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5.8.3 Suggestions for Future Resear
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110ikxxRekddzkgkn )cosh())(cosh(,
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Proof M ij and B ij are Symmetric T
Page 114 and 115:
BIBILIOGRAPHYANSYS. (n.d.). ANSYS A
Page 116:
Trust, C. (2011). Capital, Operatin
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MS Thesis R. Hager - Hawaii National Marine Renewable Energy ...

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