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

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and minimum voltage range of the DAQ is -10/10 V and -0.2/0.2 V, respectively. Thus,the signal of the load capacity, 2.2 lbs., and a typical wave force of 0.2 lbs. fall into the rangeof the DAQ. Additionally, the DAQ has a minimum voltage range accuracy of 0.157mV.Therefore, the DAQ is able to read the signal accurately from a typical excitation force.5.4.3 SignalExpressSignalExpress, a data-logging software from <strong>National</strong> Instruments, is used in this work.SignalExpress projects are comprised of steps; which gather, process, analyze, generate, andstore signals. To add a step either: right-mouse click on the left panel, as seen in Figure 5.9;select Add Step>> Acquire Signal in the tool bar, as seen in Figure 5.10; or select theicon from the tool bar to generate a context menu. The initial step is to acquirethe signal from the NI 9205 DAQ. Select Acquire Signal>> DAQmx Acquire>> AnalogInput>> Voltage, as seen in Figure 5.9. Once a step has been added to the project it isindicated in the left panel, as seen in Figure 5.11.92
Figure 5. 9 Acquiring Signal Via Right-Mouse Click in Left PanelFigure 5. 10 Acquiring Signal Via Add Step TabTo delete a step highlight the step in the left panel, right-mouse click, and select Delete, asseen in Figure 5.11, or select Edit>> Delete Selected Step. When deleting steps, becautious that the step deleted is not an input for a downstream step. The steps will be listedin order of operations in the left panel, i.e. the Project View, as seen in Figure 5.11.93
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Geometric Effects on Maximum Power
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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
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pollution would occur from hydrauli
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Figure 1. 7 Average Annual Wave Pow
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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
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
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 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 108 and 109: 5.8.3 Suggestions for Future Resear
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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