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

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5.8.3 Suggestions for Future ResearchFor future research, it is suggested to create larger bodies, thus allowing longer waves andgreater wave heights. Thus, the wavemaker will be able to more accurately create the desiredwave, and greater excitation forces will be experienced by the body. Large bodies wouldpresent a greater risk in breaking the load cell while being attached. Therefore, it is suggestedone uses two load cells and superimpose the forces measured, or measure the excitationforce with a different system, such as a laser system. Additionally, future points to be studiedinclude whether the submerged volume or waterline cross-sectional area should remainconstant, the effects of a three-dimensional body on maximum power absorption efficiency,the effects of the body moving with various degrees of freedom, the effects of multiplebodies interacting, and the applicability to the <strong>Hawaii</strong>an coast.108
109APPENDIX A: MATHEMATICAL DERIVATIONSB ij for a Two-Dimensional, Single, Heaving BodyAt the Free-Surfacegitg1gitz 2022ggdlnnAt the BodySRRRRdSnnzRninandzRnin SRzRzdSnini )()( dSnidSniSzRSzRR 2)(By definition,dlnBzRijijzRBidlnRi22 At +∞ikxxRekddzkig )cosh())(cosh(,ikxxRekddzkig)cosh())(cosh(,ikxxRekddzkkgn )cosh())(cosh(,
Page 1 and 2:
Geometric Effects on Maximum Power
Page 3 and 4:
ABSTRACTNumerical simulations are c
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3.7 Absorbed Wave Power ...........
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LIST OF FIGURESFigurePageFigure 1.1
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NOMENCLATUREA=incident wave amplitu
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1.2 Advantages of Wave EnergyAdvant
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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
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CHAPTER 2. WAVE ENERGY CONVERSION D
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2.3 OrientationOrientation is defin
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Figure 2.4 Oscillating Water Column
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2.5 Reference PointMeans of reactio
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Linear GeneratorTurbineRotary Gener
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Table 2. 1 WEC ClassificationsDevic
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33P.T.O.MooringReferencePointOperat
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CHAPTER 3. THEORY AND GOVERNING EQU
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F(x,z,t) z 0DFDtFt u F 0 0 (4
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in ni(13)on S for i=1, 3in( r n)i3
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I iAg e ekz i( kx t)(30)cosh( k(z
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where ijkis the permutation symbol.
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Mw k ieitS( D I) ijkrinjdS(46)3.3.3
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Due to Kirchhoff decomposition, rec
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TE KE PE 20L Asin(kx) 1 2(61)dV d
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P I Iw dS (70)tnSIf the column
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221 2P gA C(77)max g2 3.8 Maximum
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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
Page 62 and 63: 12. Delete all lines inside the cur
Page 64 and 65: 22. Edit the details of the slice u
Page 66 and 67: 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
Page 72 and 73: 5. Highlight Diffraction + Froude-K
Page 74 and 75: Table 4.1 Body Dimensions for Numer
Page 76 and 77: concavity from concave down to conc
Page 78 and 79: Figure 4. 29 Maximum Power Absorpti
Page 80 and 81: Table 4. 3 Numerical ResultsBodyNo.
Page 82 and 83: BodyNo.Bodyλ atT=2.1λ atT=1.0λ a
Page 84 and 85: WAVEFigure 5. 1 Body Faces Wave Mak
Page 86 and 87: The body connects to the aluminum p
Page 88 and 89: also allowed for flexibility in cre
Page 90 and 91: AB1 23 4 5 6 7CD8 9 10 11EFigure 5.
Page 92 and 93: 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
Page 104 and 105: 5.6 Data ProcessingFigure 5. 26 Wav
Page 106 and 107: 5.8 Experimental DiscussionAs menti
Page 110 and 111: 110ikxxRekddzkgkn )cosh())(cosh(,
Page 112 and 113: 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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