U.S. Marine Corps Base Hawaii, Kaneohe 30m, 60m, 80m berths in place, grid-connected First device deployed, second Jan 2016, third Sep 2016 HNEI role Funded by DOE, US Navy, ONR, State of Hawaii Acoustic, EMF, ecological, sediment xport measurements Independent device durability and performance analysis Site-dedicated support vessel/maintenance protocol development NWEI Fred.Olsen Ocean Energy Research Support to the Navy s Wave Energy Test Site Patrick Cross, Hawaii Natural Energy Institute (HNEI) For ARL-UH Winter Meeting, 11 January 2016 Columbia Power
WETS Layout 80m 60m Design by Sound and Sea Technology for US Navy 30m Bunker
HNEI WEC Device Performance Studies Wave Measurements with Waverider Buoys and ADCP Wave Hindcast Database Developed, and Growing Daily 7.5-day Wave Forecasts with High-res Model Calibrated w/waverider data from buoy deployed Oct 2012, 1 more late 2015 Regular ROV and diver-based device and mooring inspections to analyze durability and develop operational and maintenance protocols Power matrix development wave input versus power output X = Power Matrix: kw vs. Hs/Te Wave Scatter: Occurrence vs. Hs/Te Numerical Modeling Device (w/non-linear physics) Array (predict power extraction/area requirements) Electricity Generation: kwh vs. Hs/Te
Wind and Wave Forecast System (oceanforecast.org) 7.5-DAY FORECAST NOAA NCEP GFS 0.5 0.5 wind field NOAA NCEP WW3 Model 0.5 0.5 Global Waves Hawaii WRF Model 6-km grid Hawaii WW3 Model 5.5-km grid Real-time validation with buoy measurements Real-time validation with buoy measurements 0.55-km Grid SWAN 0.55-km Grid 0.55-km Grid 0.55-km Grid
Wave Hindcasting Hindcasting of global and Hawaii regional wave data for 1979 2013 Primary interest in Pacific for understanding of Hawaii wave climate Validation with satellite and buoy measurements for waves Long-term wave hindcast for nearshore facility design and wave energy resource assessment Data assimilation 34 yrs of Climate Forecast System Reanalysis (CFSR) winds from NOAA NCEP and highresolution Hawaii WRF winds reforecasting Wave Models 34 yrs of global & high-resolution Hawaii regional wave data Validation measurements Altimetry and buoy observations Satellite and in-situ observations
WETS Monthly Averages from 34-year Hindcast
Device and Mooring Durability Assessment Quarterly surface and diver inspections of WEC devices and mooring infrastructure Document maintenance issues and develop protocols
Environmental Studies and Support Vessel Measurements to support regulatory and stakeholder databases Device acoustic signatures Bottom-mounted and drifting hydrophone systems Regular deployments to build database Assess device signatures and ambient noise Electromagnetic fields Partner with OSU to periodically deploy system for measurement of EMF Sediment transport Baseline and periodic measurements to detect any changes Ecological surveys and water chemistries Regular diver and ROV surveys of marine ecosystems, including water samples Protected marine species monitoring During WEC device deployments, at-sea operations, and periodically from shore Site-dedicated support vessel A-frame (10-ton lift), diver and ROV facilities, workspaces for tenants/uh Kept at He eia Kea small boat harbor ~ 1 hr transit from site Can support future research initiatives at site
UW/UH Bottom-Mounted 3-hydrophone Station UW Drifting Hydrophone System Acoustic Instrumentation Systems
Sediment Transport and Ecological Surveys Scour Pile Sediment Staffs
WETS Site-Dedicated Support Vessel Sea Engineering, Inc. 85 foot LOA 4-point mooring capability 10-ton lift capacity Deepwater dive spread ROV enclosure Reconfiguring w/added beam
NWEI Azura at Pier 26 (Sea Engineering) in Honolulu
Deployment of Azura 28 May 2015
Fred.Olsen Lifesaver Lift 28 August
Underway from Pearl Harbor to Kaneohe 14 September
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