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Design of high deflection foils for MHK applications CFD files
The Ocean Renewable Power Company's (ORPC's) goal is to design, develop, and test hydrofoils with large deflections. The effects of the deflections on cross-flow turbine performance would be evaluated in order to inform design considerations for full-scale water turbines and other...
Barrington, M. and McEntee, J. Ocean Renewable Power Company
Jun 01, 2021
5 Resources
0 Stars
Publicly accessible
5 Resources
0 Stars
Publicly accessible
CalWave Device Behavior in Different Sea States from Scaled Tank Testing
This submission contains a summary of tank test derived WEC device behavior in different irregular sea states.
CalWave sought to conduct experimental tank testing of scaled prototype units early on in the design process to obtain a first estimation of device performance for sea ...
Boerner, T. and Murray, B. CalWave Power Technologies Inc.
Mar 30, 2018
1 Resources
0 Stars
Publicly accessible
1 Resources
0 Stars
Publicly accessible
Design of high-deflection foils MHK applications FEA models Helical turbines
The Ocean Renewable Power Company's (ORPC's) goal is to design, develop, and test hydrofoils with large deflections. The effects of the deflections on cross-flow turbine performance would be evaluated in order to inform design considerations for full-scale water turbines and other...
Barrington, M. and McEntee, J. Ocean Renewable Power Company
Oct 01, 2021
2 Resources
0 Stars
Publicly accessible
2 Resources
0 Stars
Publicly accessible
Observation-Based Resource Assessment of Gulf Stream MHK
Multi-year measurements of current velocity, salinity, and temperature from fixed and vessel-mounted sensors quantify Gulf Stream (GS) MHK resource variability and inform development off Cape Hatteras, NC. Vessel transects across the GS demonstrate a jet-like velocity structure wi...
Muglia, M. et al North Carolina State University
Jan 01, 2020
1 Resources
0 Stars
Publicly accessible
1 Resources
0 Stars
Publicly accessible
Centipod WEC, Survivable Wave Energy Converters, Final Technical Report
This project shows that the choice of a secondary DOF for survivability is a viable option to reduce the levelized cost of energy (LCOE) in WEC designs. This report will cover the calculation of the concluded LCOE advantage using Dehlsen Associates’ “Centipod” WEC, but will ...
McCall, A. Dehlsen Associates, LLC
Oct 16, 2020
1 Resources
0 Stars
Publicly accessible
1 Resources
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Publicly accessible
Spooling control design for flight optimization of tethered tidal kites
This submission includes three peer-reviewed (under review) papers from the researchers at North Carolina State University presenting different control-based techniques to maximize the efficiency and robustness of a tethered energy-harvesting kite. Below are the abstracts of each ...
Daniels, J. et al North Carolina State University
Sep 16, 2019
3 Resources
0 Stars
Publicly accessible
3 Resources
0 Stars
Publicly accessible
Performance estimation of resonance-enhanced dual-buoy wave energy converter using coupled time-domain simulation
This paper presents the modeling methodology and performance evaluation of the resonance-enhanced dual-buoy WEC (Wave Energy Converter) by HEM (hydrodynamic & electro-magnetic) fully-coupled-dynamics time-domain-simulation program. The numerical results are systematically compared...
Kang, H. et al Texas A&M University
Aug 31, 2020
3 Resources
0 Stars
Publicly accessible
3 Resources
0 Stars
Publicly accessible
Advanced TidGen Power System Final System Design Technical Report
The TidGen Power System generates emission-free electricity from tidal currents and connects directly into existing grids using smart grid technology. The power system consists of three major subsystems: shore-side power electronics, mooring system, and turbine generator unit (TGU...
Marnagh, C. and McEntee, J. Ocean Renewable Power Company
Jun 14, 2018
1 Resources
0 Stars
Publicly accessible
1 Resources
0 Stars
Publicly accessible
M3 Wave DMP/APEX WEC Next Generation Concept Drawings
This is the preliminary concepts that formed the basis of the first round of numerical modeling and technical discussions for the Delos-Reyes Morrow Pressure Device (DMP), commercialized by M3 Wave LLC as "APEX." IGES wireframes will be uploaded also. Additional hybrid concepts ...
Morrow, M. M3 Wave
Sep 21, 2016
1 Resources
0 Stars
Publicly accessible
1 Resources
0 Stars
Publicly accessible
CalWave Open Water Demonstration PTO Belt Assessment & Test Report Public
PTO (Power Take-Off) belt test and analysis report conducted under CalWave's Open Water Demonstration Award EE0008097 Belt Tradeoffs for Winch PTO. The report tests two types of belts: a high modulus polyethylene (HMPE) woven fiber belt and a steel cable polyurethane belt. The goa...
Kojimoto, N. and Boerner, T. CalWave Power Technologies Inc.
May 28, 2021
1 Resources
0 Stars
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1 Resources
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WEC Controls Optimization Final Report
The over-arching project objective is to fully develop and validate optimal controls frameworks that can subsequently be applied widely to different WEC devices and concepts. Optimal controls of WEC devices represent a fundamental building block for WEC designers that must be cons...
Previsic, M. and Karthikeyan, A. Re Vision Consulting
Aug 26, 2020
1 Resources
0 Stars
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1 Resources
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Next Generation RivGen Power System: Risk Register
Risk Register for the RivGen power system, optimized for performance, durability and survivability, in Microsoft Excel format.
Salmon, A. Igiugig Village Council
Oct 05, 2017
1 Resources
0 Stars
Publicly accessible
1 Resources
0 Stars
Publicly accessible
Centipod WEC, Advanced Controls, MPC Controller MATLAB Code
This archive contains the MATLAB code for the model predictive control (MPC) controller developed in this project. The archive containing the WaveDyn models used for analysis of the Centipod with the MPC controller is linked in this submission.
McCall, A. Dehlsen Associates, LLC
Feb 15, 2016
3 Resources
0 Stars
Publicly accessible
3 Resources
0 Stars
Publicly accessible
M3 Wave DMP/APEX Model Baseline LCOE
This is the raw LCOE model used to establish baseline performance for the M3 Wave DMP/APEX submerged mid-column pressure differential WEC. The model includes initial capital cost, levelized replacement cost, levelized operations and maintenance cost, and net annual energy producti...
Morrow, M. M3 Wave
Feb 28, 2016
1 Resources
0 Stars
Publicly accessible
1 Resources
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Centipod WEC, Advanced Controls, WEC Geometry CAD
CAD files depicting the wetted geometry of the Centipod WEC used in numerical models during this project. This includes the wetted geometry of the point absorber body ('pod') and the WEC 'backbone'.
McCall, A. Dehlsen Associates, LLC
Feb 15, 2016
3 Resources
0 Stars
Publicly accessible
3 Resources
0 Stars
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Geometric, structural, and control co-design for undersea kites
Focusing on a marine hydrokinetic energy application, this paper presents a combined geometric, structural, and control co-design framework for optimizing the performance of energy-harvesting kites subject to structural constraints. While energy-harvesting kites can offer more tha...
Vermillion, C. et al North Carolina State University
Sep 14, 2020
1 Resources
0 Stars
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1 Resources
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RivGen Power System Overview, Igiugig, AK
System description of ORPC RivGen(R) Power System utilized at Igiugig, AK for testing of advanced controls
McEntee, J. Ocean Renewable Power Company
Aug 05, 2014
1 Resources
0 Stars
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1 Resources
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HERO WEC V1.0 SolidWorks Model
The attached zip file includes a SolidWorks pack-and-go assembly of NREL's HERO WEC (hydraulic and electric reverse osmosis wave energy converter) V1.0. This model does not include all aspects of the design (i.e. RO (reverse osmosis) system, electrical enclosure, hose, cable) it o...
Jenne, S. National Renewable Energy Laboratory
Aug 12, 2022
2 Resources
0 Stars
Publicly accessible
2 Resources
0 Stars
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TidGen LCOE Workbooks
Workbooks showing Annualized Energy Production, Cost Breakdown Structure, Levelized Cost of Electricity for DOE Reference Tidal Project
1) Baseline TidGen Power System
2) TidGen Power System with the application of Advanced Controls
3) Advanced TidGen Power System with several enh...
McEntee, J. Ocean Renewable Power Company
Mar 21, 2016
1 Resources
0 Stars
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1 Resources
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Advanced TidGen Power System Summary Presentation
The TidGen Power System generates emission-free electricity from tidal currents and connects directly into existing grids using smart grid technology. The power system consists of three major subsystems: shore-side power electronics, mooring system, and turbine generator unit (TGU...
Marnagh, C. and McEntee, J. Ocean Renewable Power Company
May 10, 2018
1 Resources
0 Stars
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1 Resources
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Advanced TidGen Power System 2.0 Presentation of System
The TidGen Power System generates emission-free electricity from tidal currents and connects directly into existing grids using smart grid technology. The power system consists of three major subsystems: shore-side power electronics, mooring system, and turbine generator unit (TGU...
Marnagh, C. and McEntee, J. Ocean Renewable Power Company
Jun 14, 2018
1 Resources
0 Stars
Publicly accessible
1 Resources
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M3 Wave DMP/APEX WEC Downselected System Overviews
In 2014, open water testing revealed that sediment scour around and under the device was significant and likely interrupted operations. To explore methods to mitigate this phenomenon, M3 developed a number of alternate concepts as detailed in concept sketches. This submission incl...
Morrow, M. and Delos-Reyes, M. M3 Wave
Sep 29, 2017
1 Resources
0 Stars
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1 Resources
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M3 Wave DMP/APEX WEC Final Technical Report
This project successfully developed methods for numerical modeling of sediment transport phenomena around rigid objects resting on or near the ocean floor. These techniques were validated with physical testing using actual sediment in a large wave tank. These methods can be applie...
Morrow, M. et al M3 Wave
May 31, 2018
1 Resources
0 Stars
Publicly accessible
1 Resources
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Oscilla Power Triton 1310 System Overview and Baseline LCOE Calculations
This project aims to enhance survivability of a multi-mode point absorber. Included in this submission are content models providing a system definition and baseline LCOE calculations.
Mundon, T. Oscilla Power, Inc.
Jan 03, 2017
2 Resources
0 Stars
Publicly accessible
2 Resources
0 Stars
Publicly accessible
StingRAY Updated WEC Risk Registers
Updated Risk Registers for major subsystems of the StingRAY WEC completed according to the methodology described in compliance with the DOE Risk Management Framework developed by NREL.
Rhinefrank, K. and Ondusko, M. Columbia Power Technologies, Inc.
Jun 27, 2018
17 Resources
0 Stars
Publicly accessible
17 Resources
0 Stars
Publicly accessible