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Competing Use Analysis for Offshore Renewables and Subsea Cables

Demand for abundant and diverse resources in the oceans is growing, necessitating marine spatial planning. To inform development of Marine Hydrokinetic (MHK) and Offshore Wind (OSW) resources, the Department of Energy (DOE) has asked NREL to identify the competing uses areas betwe...
Best, B. and Kilcher, L. National Renewable Energy Laboratory
Aug 29, 2019
3 Resources
0 Stars
Publicly accessible

MASK3 for Advanced WEC Dynamics and Controls

This report outlines the "MASK3" wave tank test within the Advanced WEC Dynamics and Controls (AWDC) project. This test represents the final test in the AWDC project. The focus of the MASK3 test was to consider coordinated 3-degree-of-freedom (3DOF) control of a WEC in a realistic...
Coe, R. et al Sandia National Laboratories
May 01, 2019
4 Resources
0 Stars
Publicly accessible

Advanced TidGen Power System Composites Structural Testing

Seawater aging response was investigated in marine-grade glass/epoxy, glass/vinyl ester, carbon/epoxy and carbon/vinyl ester composites with respect to water uptake, interlaminar shear strength, flexural strength, tensile strength, and tensile fracture surface observations. The re...
Krumpe, A. ORPC Inc.
Jan 06, 2020
2 Resources
0 Stars
Publicly accessible

RivGen Open Water Installation Report

The purpose of the Open Water Deployment Report is to provide an overview of the installation of the Ocean Renewable Power Company (ORPC) RivGen 2.0 Power System in Igiugig, AK, in 2019 beginning with the transportation of the system to Igiugig and ending with the deployment of th...
Tyler, R. Igiugig Village Council
Nov 01, 2019
1 Resources
0 Stars
Publicly accessible

TidGen MHK Generator Composite Fatigue Analysis Procedure

A procedure was described for performing a fatigue analysis of composite foils for an MHK generator. The steps included generating load data, S-N (Stress versus Number of cycles to failure) diagrams through fatigue testing, cycle counts, damage versus load, and cumulative damage. ...
Krumpe, A. ORPC Inc.
Apr 14, 2020
2 Resources
0 Stars
Publicly accessible

ALFA Non-linear Ocean Waves and PTO Control Strategy

Data from Advanced Laboratory and Field Arrays (ALFA) Non-linear Ocean Waves and Power Take-Off (PTO). Control Strategy project conducted at the O.H. Hinsdale Wave Research Laboratory (HWRL) at Oregon State University in 2019/2020. Contains two zip files (ALFANL.zip, ALFANL2.zip)...
Bosma, B. et al Pacific Marine Energy Center (PMEC)
Oct 28, 2019
9 Resources
0 Stars
Publicly accessible

SeaRAY WEC Preliminary Design and Test Planning

The SeaRAY is a deployable power system for maritime sensors, monitoring equipment, communications, unmanned underwater vehicles, and other similar payloads. This project is to design, deliver, and test a prototype low-power WEC that lowers the total cost of ownership and provides...
Hammagren, E. et al Columbia Power Technologies, Inc.
May 18, 2020
4 Resources
0 Stars
Awaiting release

CalWave Revised IO&M Plan CalWave Open Water Demo

Revised IO&M Plan for CalWave's open water demonstration at Scripps Institution of Oceanography for the open water demonstration to be conducted in collaboration with University of California, San Diego (UCSD) near the Scripps Institute of Oceanography (SIO) pier, in a water dept...
Petcovic, D. et al CalWave Power Technologies Inc.
Jun 02, 2020
1 Resources
0 Stars
Awaiting release

Net Shape Fabricated Low Cost MHK Pass-Through the Hub Turbine Blades with Integrated Health Management Technology

The primary objective of this project is to develop a three-blade MHK rotor with low manufacturing and maintenance costs. The proposed program will design, fabricate and test a novel half-scale low cost, net shape fabricated single piece three-blade MHK rotor with integrated healt...
Wess, D. ARL Penn State
Feb 09, 2016
24 Resources
0 Stars
Publicly accessible

Laboratory Experiments for Highly Nonlinear WEC-Wave Conditions

This document describes the experiments carried out in December 2019 and February-March 2020 in the Directional Wave Basin at the O.H. Hinsdale Wave Research Laboratory, Oregon State University. Regular and irregular waves were generated in the absence and presence of a WEC, inclu...
Robertson, B. et al Oregon State University
Apr 30, 2020
1 Resources
0 Stars
Awaiting release

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
Publicly accessible

Wave Tank Testing Report for Controls Validation of a Heaving Point Absorber

The core objectives of this project is to improve the power capture of three different wave energy conversion (WEC) devices by more than 50% using an advanced control system and validate the attained improvements using wave tank and full scale testing. In parallel, we will bring a...
Previsic, M. et al Re Vision Consulting
Aug 26, 2020
3 Resources
0 Stars
Publicly accessible

Wave Carpet Controls Design Optimization

To assess CalWave's submerged Wave Carpet Technology for system performance advancement, CalWave seeks to test advanced controls methodologies on a simplified wave carpet model, which potentially can be used in further research to leverage the design to a full wave carpet assessme...
Previsic, M. and Karthikeyan, A. Re Vision Consulting
Aug 26, 2020
1 Resources
0 Stars
Awaiting release

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

Specified System Requirements for the HydroAir Power Take Off System

Includes Annual Energy Production of the system, Target Availability of the system, the system's PWR (power to weight ratio), Critical Dimensions and Weights (e.g. center of gravity and center of buoyancy, capture length) of the system, the system's Noise Levels, and All Grid Requ...
Natanzi, S. and Hall, R. Siemens Government Technologies, Inc.
Oct 02, 2020
1 Resources
0 Stars
Awaiting release

Translated System Requirements into PTO Design Requirements (in addition to Component-level metrics) for the HydroAir Power Take Off System

Includes Maximum Cost, Critical Dimensions and Weights, Damping Curve, Rotor Speed Profile Changes, Mechanical Power for a given pressure and airflow, Turbine rpm range and power, Generator input torque, Torque speed curves/profile, Generated electrical power for given input torqu...
Natanzi, S. and Hall, R. Siemens Government Technologies, Inc.
Oct 02, 2020
1 Resources
0 Stars
Awaiting release

Design Specifications for Manufacturer for the HydroAir Power Take Off System

Includes Design Specs for Manufacturer, PTO Weight, PTO Dimensions, Turbine (Rotor and Ductwork) Design, CAD Drawings of the turbine and rotor, List of components and weights, Materials Used, Generator, List of components and weights, Structural Design, CAD drawings of the structu...
Natanzi, S. and Hall, R. Siemens Government Technologies, Inc.
Oct 02, 2020
1 Resources
0 Stars
Awaiting release

Triton-C WEC Detailed System Design Package

The Detailed System Design Package for the Triton-C WEC, including a report and CAD drawings pertaining to the overall preliminary design, system arrangement, surface float hull, and surface float arrangement. D6 presents an overview of the final detailed design package for the T...
Stinson, K. et al Oscilla Power, Inc.
Nov 02, 2020
5 Resources
0 Stars
Awaiting release

Triton-C WEC Fabrication Plan (DDP)

This is the Fabrication Plan for the Triton-C WEC based on the Detailed System Design Package (DDP), including a report and visuals pertaining to the overall detailed design of the reaction ring, surface float hull, power take off and surface float arrangement. Oscilla Power Inc,...
Stinson, K. and Mundon, T. Oscilla Power, Inc.
Nov 02, 2020
1 Resources
0 Stars
Awaiting release

Triton-C WEC Installation, Operations and Maintenance Plan (DDP)

This is the Installation, Operations and Maintenance (IO&M) Plan for the Triton-C WEC based on the Detailed System Design Package (DDP), including a report and visuals pertaining to the overall detailed design of the reaction ring, surface float hull, power take off and surface fl...
Stinson, K. et al Oscilla Power, Inc.
Nov 02, 2020
1 Resources
0 Stars
Awaiting release

Model and experimental validation of ocean kite dynamics and controls

This submission includes two peer-reviewed papers from researchers at North Carolina State University presenting the modeling and lab-scale experimentation of the dynamics and control of a tethered tidal ocean kite. Below are the abstracts of each file included in the submission. ...
Vermillion, C. et al North Carolina State University
Mar 01, 2020
2 Resources
0 Stars
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

Control of an AUV with deployable energy-harvesting kite

This paper examines the control of an autonomous underwater vehicle (AUV) with a deployable energy-harvesting kite for oceanographic observation and surveillance. The proposed design and control strategies specifically address objectives of achieving high-payload, long-endurance A...
Reed, J. et al North Carolina State University
Sep 02, 2019
1 Resources
0 Stars
Publicly accessible

Control-based optimization for tethered tidal kite

This submission includes three peer-reviewed (under review) papers from the researchers at North Carolina State University presenting control-based techniques to maximize effectiveness of a tethered tidal kite. Below are the abstracts of each file included in the submission. Cobb...
Vermillion, C. et al North Carolina State University
Mar 02, 2020
3 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
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