float inc offshore floating ocean energy system
DESCRIPTION
"Renewable energy sources are unlimited and free natural energies, without including the cost of capture and conversion." Ancillary applications accommodated onboard can function all year long, thusly providing additional economic capital cost savings by the Float Inc Offshore Floating Ocean Energy System.TRANSCRIPT
StabilityStability
SurvivabilitySurvivability
Combined RES Combined RES Capture/Conversion Capture/Conversion
CapacityCapacitySmaller Ocean footprintSmaller Ocean footprintLeeward Calm waterLeeward Calm water
Berthing zoneBerthing zone
MULTI-TASK APPSMULTI-TASK APPSTransport, EnergyTransport, Energy
AquacultureAquacultureLeisureLeisure
ADAPTABILITYADAPTABILITYMulti-task platformMulti-task platformBreakwater, MarinaBreakwater, Marina
Commercial PortCommercial Port
Modular, MonolithicModular, MonolithicConstructionConstruction
OffshoreOffshoreDeep-oceanDeep-ocean
Floating PlatformFloating Platform
Float Inc’sFloat Inc’sOffshore FloatingOffshore Floating
Ocean EnergyOcean EnergySystemSystem
(OFOES)(OFOES)
Float Inc. Pneumatically Stabilized Float Inc. Pneumatically Stabilized Platform (PSP)Platform (PSP)
Primary Design as a Deep Ocean Offshore Floating Primary Design as a Deep Ocean Offshore Floating Platform Platform
Float Inc. PSP Marine Technology Characteristics Float Inc. PSP Marine Technology Characteristics Confirmed & ValidatedConfirmed & Validated Defense Advanced Defense Advanced
Research Project Research Project Agency (DARPA)Agency (DARPA)• Confirmation of PSP Confirmation of PSP
marine technology marine technology (1995 – 1996) (1995 – 1996)
Office of Naval Office of Naval Research (ONR)Research (ONR)• Validation of PSP Validation of PSP
marine technology marine technology characteristics characteristics (1997 – 1998)(1997 – 1998)
Float Inc. Float Inc. Pneumatically Pneumatically Stabilized Platform Stabilized Platform (PSP) marine (PSP) marine technology chosen for technology chosen for inclusion in a national inclusion in a national R&D program U.S.A. – R&D program U.S.A. – Department of DefenseDepartment of Defense““Mobile Offshore Base Mobile Offshore Base Program”Program”
Float Inc. PSP Marine TechnologyFloat Inc. PSP Marine TechnologyCharacteristics Confirmed & Characteristics Confirmed &
ValidatedValidated Stable with large Variable Deck Loads Stable with large Variable Deck Loads
CapabilitiesCapabilities• At-sea motion stability and structural loads At-sea motion stability and structural loads
mitigation by decoupling the “hull” from ocean mitigation by decoupling the “hull” from ocean wave pressures through the use of air buoyancy, wave pressures through the use of air buoyancy, which is both compressible and mobile within the which is both compressible and mobile within the PSP platform cylinders.PSP platform cylinders.
ModularModular• PSP cylinders assembled into modulesPSP cylinders assembled into modules• Modules assembled into PSP platform configurationModules assembled into PSP platform configuration
Modules assembly can be accomplished in Sea Modules assembly can be accomplished in Sea State 3 levelsState 3 levels
Monolithic platformMonolithic platform• Modular construction and assemblyModular construction and assembly
Float Inc. PSP Marine TechnologyFloat Inc. PSP Marine TechnologyCharacteristics Confirmed & Characteristics Confirmed &
ValidatedValidated ExtensibleExtensible
• PSP modular construction permits extension PSP modular construction permits extension of existing PSP without interruption of existing of existing PSP without interruption of existing activities onboardactivities onboard
MobileMobile• PSP can be repositioned to a different PSP can be repositioned to a different
area/zone as the PSP is simply retained in area/zone as the PSP is simply retained in position by the appropriate anchorage systemposition by the appropriate anchorage system
Long lifeLong life• PSP is constructed of post constraint, PSP is constructed of post constraint,
reinforced concrete having a useful life reinforced concrete having a useful life exceeding 70-years.exceeding 70-years.
• No dry-docking required, and requires no No dry-docking required, and requires no significant maintenance of the basic hull.significant maintenance of the basic hull.
< A Module
Adjustable Air Ducting >
< Mobile Buoyancy Air Exchange
Float Inc. Pneumatically Stabilized Platform Float Inc. Pneumatically Stabilized Platform (PSP)(PSP)
Wave – Incident / Wave - Transmitted = Attenuation of Wave – Incident / Wave - Transmitted = Attenuation of Wave Energy ModelWave Energy Model
L
ai a
t
h
B
L
Under Platform field
Incident Transmitted
Energy Flows
Office of Naval Research (ONR) Model Tank Test Results concerning wave attenuation revealed:
Wave AttenuationWave Period Wave Height (% and meters) 7 seconds 0m90 94% & 0m059 seconds 2m50 72% & 0m7012 seconds 5m50 50% & 2m75 16 seconds 10m00 63% & 3m7020 seconds 15m50 54% & 7m13
Float Inc. Float Inc. Rho-Cee Wave Energy Rho-Cee Wave Energy
ConverterConverterInitial tank testing performedInitial tank testing performed
at Ohmsett - BOEM tank testing facility in December 2009at Ohmsett - BOEM tank testing facility in December 2009
Available power comparison,wind and wave.
Some pics/ideas forSome pics/ideas for
Oceans Offshore Energy Oceans Offshore Energy SystemSystem
Offshore Floating Ocean Energy Offshore Floating Ocean Energy SystemSystem
proposed and presented byproposed and presented by
Float Inc Offshore Floating Ocean Float Inc Offshore Floating Ocean Energy System (OFOES) accommodates Energy System (OFOES) accommodates
onboard theonboard thePneumatically Stabilized Platform Pneumatically Stabilized Platform
(PSP)(PSP) Offshore Wind EnergyOffshore Wind Energy Offshore Wave EnergyOffshore Wave Energy Offshore Ocean Current Offshore Ocean Current
EnergyEnergy Potential Energy Storage Potential Energy Storage
(PES)(PES) Ancillary Applications:Ancillary Applications:
• Aquaculture & related Aquaculture & related activitiesactivities
• Desalination plantDesalination plant• LNG Liquefaction & Re-LNG Liquefaction & Re-
gasification Facilitiesgasification Facilities• Offshore Ro-Ro and/or Offshore Ro-Ro and/or
Container PortContainer Port• NB: Not an exhaustive NB: Not an exhaustive
listlist All on the same All on the same Platform - PSPPlatform - PSP
10'
10'
20'
20'
30'
0
0 20' 40'WL WL
10' 30'
PSP
Float Inc Pneumatically Stabilized Platform
Deep-ocean floating PlatformStable + Extensible
Long lifeRenewable Energy Capture &
StorageAncillary Applications
Floating Real-Estate Applications
Hydrokinetic turbineRenewable energy source
Ocean Current
Wind turbineRenewable energy source
Wind Energy Rho-Cee Wave Energy ConverterRenewable energy source
Wave Energy
PSP Potential Energy StorageStorage & Reconstitution of
Renewable Energy Sources Electricity
Offshore Wind Turbine FarmOffshore Wind Turbine Farmonboard the Float Inc onboard the Float Inc
Offshore Floating Ocean Energy System Offshore Floating Ocean Energy System (OFOES)(OFOES)
Structural stability that allows Structural stability that allows any standard Offshore Wind any standard Offshore Wind Turbine to be easily deployed.Turbine to be easily deployed.• Wind Turbine foundations Wind Turbine foundations
same as onshoresame as onshore• Wind Turbines at end-of-life Wind Turbines at end-of-life
can be replaced onboard the can be replaced onboard the OFOESOFOES
Access, maintenance and Access, maintenance and operation similar to onshoreoperation similar to onshore
Transformer station in-the-dryTransformer station in-the-dry One grid connection cable to One grid connection cable to
shoreshore Storage of spare and repair Storage of spare and repair
partsparts No new specialized vessels No new specialized vessels
needed to transport needed to transport equipment or personnel equipment or personnel directly from ports to platformdirectly from ports to platform
Waves, Winds ± 60°
Calm zone
Calm zone
Wind & Wave Together - Extending the Wind Turbine farm
Complimentary on the Float Inc Offshore Floating Ocean Energy System
(OFOES)PSP span @ 1 200m Rho-Cee WEC width @ 1 040m
Wind Turbines spacing @ 200m (extendable-leeward) with rotor diameter @ 90m
Wind Turbine rating @ 3MW Rho-Cee WEC rating @ 60kW/m
200m dock - struts 200m x 5m concrete culvert pipe, w/rails
Total Power Rating: 98MW
PES Storage: ~12MW-Hr, cold
Calm zone
Case Study Example of an Offshore Zone Case Study Example of an Offshore Zone Preliminary Calculations: Galicia, SpainPreliminary Calculations: Galicia, Spain
source 40+ year Wave Data Historysource 40+ year Wave Data History
Annual Annual incident wave incident wave powerpower
RecognizedRecognized 4040 kW/mkW/m
Incident wave Incident wave power power multiplied by multiplied by
8,760 8,760 hours/yearhours/year
350,400350,400 kWh/m – yearkWh/m – year
Rho-Cee WECRho-Cee WEC Economic Economic optimization optimization capture rate capture rate
60% 60%
210210 MWh/m – yearMWh/m – year
Rho-Cee WECRho-Cee WEC Wave energy Wave energy conversion rate conversion rate
78%78%164164 MWh/m – yearMWh/m – year
Rho-Cee WECRho-Cee WEC Wave-front Wave-front spanspan
1,040meters1,040meters170,547170,547 MWh/yearMWh/year
Average annual Average annual homehome
Electricity use Electricity use 8MWh8MWh 21,31821,318 HomesHomes
Annual Annual incident wave incident wave powerpower
RecognizedRecognized 7070 kW/mkW/m
Incident wave Incident wave power power multiplied by multiplied by
8,760 8,760 hours/yearhours/year
613,200613,200 kWh/m – yearkWh/m – year
Rho-Cee WECRho-Cee WEC Economic Economic optimization optimization capture rate capture rate
60% 60%
368368 MWh/m – yearMWh/m – year
Rho-Cee WECRho-Cee WEC Wave energy Wave energy conversion rate conversion rate
78%78%287287 MWh/m – yearMWh/m – year
Rho-Cee WECRho-Cee WEC Wave-front Wave-front spanspan
1,040meters1,040meters298,457298,457 MWh/yearMWh/year
Average annual Average annual homehome
Electricity use Electricity use 8MWh8MWh 37,30737,307 HomesHomes
Case Study Example of an Offshore Zone Preliminary Calculations: Belmullet, Ireland
source SOWFIA DMP & NOAA Hindcast 7-year Wave Data History
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