Page 333 - Fundamentals of Ocean Renewable Energy Generating Electricity From The Sea

316 Index

Oscillating water column (OWC), 127, 139 wave
Oscillating wave surge converters bias, 216–217
(OWSCs), 126, 126f correlation coefficient, 216
OTEC. See Ocean thermal energy dissipation, 214
conversion (OTEC) Galway Bay (Ireland), 221–225
Overtides, 64–66 nonlinear wave-wave interactions,
Overtopping devices, 127 214–215
phase-averaged, 213
P root mean squared error, 216
scatter index, 216
Paris Agreement, 9–11
wind input, 213–214
Park effect, 250–252
Reversed electro dialysis (RED), 154
Pelamis power matrix, 137–139, 138f
Reynolds transport theorem, 33–34, 34f
Persian windmills, 83–84, 84f
Root mean squared error (RMSE), 216, 223
Phase-averaged wave models, 213
Potential flow theory, 109–110
Power S
definition, 25–26 Salinity gradients
unit, 26–28 global distribution, 152, 153f
PowerBuoy, 126, 127f pressure retarded osmosis, 153–154
Power coefficient, 76, 77f,90–91,91f reversed electro dialysis, 154
Power curve, wind turbines, 90–91, 90f,91f technological challenges, 154
Power density, tides, 66 Satellites, resource characterization,
Pressure retarded osmosis (PRO), 153–154 182–183
Probability density function (PDF), wind Scatter index, 216
speed, 94–97, 95f, 100–101 Secchi disk, 187
Progressive waves, 50, 50f Semidiurnal tides, 61–62, 63f,63t
Shallow water equations (SWEs)
atmospheric pressure, 40
R continuity equation, 39
Range gating, 166 hydrostatic equation law, 40
Rayleigh criteria, 168–169 hydrostatic pressure, 41
Refraction, 122 Leibnitz’s rule, 38–43
Remote sensing, 180–181 Manning’s equation, 42
HF radar, 182 momentum equation, 40–41
satellites, 182–183 shear-stress, 41–42
X-band radar, 181 vertical acceleration, 40
Resonance, 53–54 wind shear stress, 42–43
Resource characterization, 293 Shear stress
remote sensing, 180–181 for laminar flow, 37
HF radar, 182 shallow water equations, 41–43
satellites, 182–183 for turbulent flows, 37
X-band radar, 181 Sigma coordinate scheme, 195, 195f
tide, 209, 209f Single degree of freedom (SDOF),
boundary conditions, 211–212 mass-spring dampe, 129, 130f
Orkney (Scotland), 225–232, 233f Solar radiation, 7–8
split time, 212 Spring force, 129
turbulence closure, 210–211 Staggered grids, 200–201
vessel measurements Standing waves, 51–53, 53f,54f
multibeam echo sounder, 186–187 Stilling-well, 159–161
point sampling, 185–188 Streamtube
RV Prince Madog, 184–185 Bernoulli’s equation, 44, 44f
vertical profiling, 185 control volume, 44–45, 44f