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Blue Tech & Blue Economy Summit. Section of Notional “Rho-Cee” WEC for Portugal Reinforced concrete structure Dimensions in feet Resonant Center Periods 5.2 sec (42m) 6.9 sec (74m) 8.8 sec (121m) Composite concrete floats Hydraulic power take-off Cylinder support structure TBD
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Blue Tech & Blue Economy Summit Section of Notional “Rho-Cee” WEC for Portugal Reinforced concrete structure Dimensions in feet Resonant Center Periods 5.2 sec (42m) 6.9 sec (74m) 8.8 sec (121m) Composite concrete floats Hydraulic power take-off Cylinder support structure TBD 28 kW/m average output 60 kW/m (?) rating
Blue Tech & Blue Economy Summit ~1/6th scale “Rho-Cee” being prep’d for absorption test at Ohmsett facility
Blue Tech & Blue Economy Summit Generic ρC – Scalable: L ~ T2 Three one/third Octave Bands dimensions in feet
Blue Tech & Blue Economy Summit Yearly Cost Function – very preliminary $/m3 reinforced concrete structure maintenance bulkheads $/m = 2400 + 2500 [ 17.07(Tm/Tr)4 + 38.25(Tm/Tr)2] x 0.08 +1500*kW x 0.133 partitions structure @ 5.5% for 20 yrs PTO @ 5.5% for 15 yrs for average input power Tm, max band period Tr, ref T, here 12.5 sec PTO & WEC structure alone
Blue Tech & Blue Economy Summit Extending the Wind Turbine support provided by the PSP “span”: 1040m; WT spacing: 200m (extendable-leeward); rotor diameter: 90m; ρC length: 1200m WT rating: 3MW; ρC rating: 30kW/m; 200m dock; struts: 200m x 15’ concrete culvert pipe, w/rails estimated total “foundation” cost: $1677/kW calm calm ρC / PSP Total Power Rating: 72MWWAG Total Cap Cost Est: $300M Waves, Wind ± 60° PE Storage: ~12MW-Hr, cold
Blue Tech & Blue Economy Summit A Possible Arrangement of 3 - 1km floating Rho-Cee WEC Breakwaters to Protect the Columbia River Bar Passage (subject to many considerations) (Note: The scale on the chart appears bogus!) Produced energy to pay for the project !