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TEAMER: Sandia and CalWave Torque Spring Assessment

Power-take-off (PTO) systems for wave energy converters (WEC) require restoring forces for efficient hydrodynamic as well as mechanical to electric power transfer. Implementation of an effective spring mechanism that can provide a restoring torque on e.g. a rotational, winch type ...

Boerner, T. et al CalWave Power Technologies Inc.

Apr 01, 2022
3 Resources
0 Stars
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TEAMER: Results of Investigating Structural Design Concepts and Alternative Materials for a Wave Power System

Included here are materials from a study on the design of a three-body Wave Energy Converter (WEC) utilizing a heave plate, dual Power Take Offs (PTOs), and single point mooring. A material trade study has been conducted to evaluate the effects of introducing various metallic and ...

Whitney, C. et al Cardinal Engineering

Apr 27, 2024
4 Resources
0 Stars
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MOIS LabVIEW Software

Software developed in LabVIEW for the Modular Ocean Instrumentation System (MOIS) is provided. Two documents: MOIS User's Guide and MOIS Software Developer's Guide are included in the submission.

Nelson, E. National Renewable Energy Laboratory

Dec 03, 2015
3 Resources
0 Stars
Publicly accessible

TEAMER: Tidal Currents Turbine Parametric Study Flow, Power, Torque, and Energy Optimization

This is an exercise in optimizing the flow through a shrouded axial turbine to have the least resistance and to have optimal output and torque and energy. In this study, different variations of the original geometry of the current turbine designed by Hydrokinetic Energy Corp. (HEC...

Schurtenberger, W. and Ge, Z. Hydrokinetic Energy Corp.

Jul 30, 2021
3 Resources
0 Stars
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MOIS CAD Models

SolidWorks models of the Modular Ocean Instrumentation System (MOIS) data acquisition system components in it's subsea enclosure. The zip file contains all the components necessary for the assembly.

Nelson, E. National Renewable Energy Laboratory

Dec 03, 2015
1 Resources
0 Stars
Publicly accessible

AquaHarmonics WEC 1:20 Scale Tank Test Data

Data from tank tests collected using AquaHarmonics 1:20 scale model that occurred in June and October 2018.

Hagmuller, A. AquaHarmonics

Oct 29, 2018
1 Resources
0 Stars
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TEAMER: Electrically Engaged Undulation (EEL) System

The Electrically Engaged UnduLation (EEL) system is a buoyancy-driven submersible device for powering oceanographic instruments. Physically, EEL is a slender body whose flexible spine is made up of energy units interconnected by uniaxial hinges. Each unit consists of a pair of pie...

Lu, K. Pyro-E

Dec 01, 2021
2 Resources
0 Stars
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TEAMER: Electrically Engaged Undulation System for Unmanned Underwater Vehicles

This TEAMER RFTS 1 (Request for Technical Support) project supported the flume tank testing of a long range, high endurance unmanned underwater vehicle (UUV) to monitor maritime space. Today, battery-powered remotely operated vehicles (ROVs) lack the duration to make persistent, w...

Lu, K. and Datla, R. Pyro-E

Oct 01, 2021
4 Resources
0 Stars
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Water Horse Hydroelectric Harvester Dual Oscillator Field Testing Data, UAF Nenana Alaska, 2021

Raw and processed timeseries data generated during field testing of a single "galloping oscillator" Water Horse prototype at PMEC (Pacific Marine Energy Center) Tanana River Test Site in Nenana, AK for 3 weeks in 2021. Data collection by University of Alaska, Fairbanks.

Loeffler, B. et al University of Alaska Fairbanks

Aug 18, 2021
1 Resources
0 Stars
In curation

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
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Admiralty Inlet Advanced Turbulence Measurements: May 2015

This data is from measurements at Admiralty Head, in Admiralty Inlet (Puget Sound) in May of 2015. The measurements were made using Inertial Motion Unit (IMU) equipped ADVs mounted on a 'StableMoor' (Manufacturer: DeepWater Buoyancy) buoy and a Tidal Turbulence Mooring (TTM). Thes...

Kilcher, L. National Renewable Energy Laboratory

May 18, 2015
18 Resources
0 Stars
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FOSWEC v2: System identification and control testing at Hinsdale Wave Research Laboratory

This report summarizes the design and execution of a wave tank test of the floating oscillating surge wave energy converter (FOSWEC) in the O.H. Hinsdale Wave Research Laboratory Directional Wave Basin at Oregon State University. This device, which uses two "flaps" that pivot abou...

Coe, R. et al Sandia National Laboratories

Feb 01, 2020
2 Resources
0 Stars
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ADCP Acoustic Interference Survey Data, Sequim Bay Inlet, WA

Raw ADCP (Acoustic Doppler Current Profiler) datasets from acoustic interference surveys with a TRDI Workhorse 300, a Nortek Signature500 and two Signature1000 instruments from August 2020. One Signature 1000 ADCP was deployed for 13 days on a bottom lander in Sequim Bay Inlet, WA...

McVey, J. and Cavagnaro, R. Pacific Northwest National Laboratory

Aug 13, 2020
1 Resources
0 Stars
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Development of Classification Systems for Wave Energy Resources and WEC Technologies

The submission includes wave resource classification reports, summary of classification statistics and regional trends, and data files with classification statistics for selected sites for extreme significant wave height. Two conference papers were uploaded that include classifica...

Neary, V. et al Sandia National Laboratories

Jun 30, 2017
5 Resources
0 Stars
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Advanced TidGen Power System Preliminary Turbine Hydrodynamic Design

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

Advanced TidGen Power System 2.0 Final BP1 Turbine Design Technical Report

Marnagh, C. and McEntee, J. Ocean Renewable Power Company

Jun 14, 2018
1 Resources
0 Stars
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MASK2B Initial Results from Wave Tank Test of Closed-Loop WEC Control

This dataset covers the MASK2B wave tank experiment focused on a more complete study of one degree of freedom (1DOF) control of the WEC was considered, including maximization of electrical power, multi-objective performance mapping, and implementation of a novel predictionless con...

Coe, R. et al Sandia National Laboratories

May 25, 2018
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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Aquantis 2.5 MW Ocean Current Generation Device MHK Hydrofoils Design, Wind Tunnel Optimization and CFD Analysis Report

Dataset contains MHK Hydrofoils Design and Optimization and CFD Analysis Report for the Aquantis 2.5 MW Ocean Current Generation Device, as well as MHK Hydrofoils Wind Tunnel Test Plan and Checkout Test Report.

Shiu, H. et al Dehlsen Associates, LLC

Jun 03, 2015
16 Resources
0 Stars
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Early Market Opportunity MHK Energy Site Identification Wave and Tidal Resources

This data was compiled for the 'Early Market Opportunity Hot Spot Identification' project. The data and scripts included were used in the 'MHK Energy Site Identification and Ranking Methodology' Reports (see resources below). The Python scripts will generate a set of results--base...

Kilcher, L. National Renewable Energy Laboratory

Apr 01, 2016
7 Resources
0 Stars
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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
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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
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Extreme Significant Wave Heights for US Coastal Waters

Includes extreme significant wave heights, in meters, computed using peaks over threshold method on NOAA 30-year WWIII hindcast data. Extreme values for 5, 10, 25, 50, and 100 year return periods were computed. Sites cover US coastlines. Column 1: Site identifier/name Column 2: S...

Bredin, S. Sandia National Laboratories

Sep 01, 2016
1 Resources
0 Stars
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ALFA Coupled Computational Fluid Dynamics/Discrete Element Method Modeling System

The HDIS/COUPi discrete element method modeling system was used to simulate the interaction between various debris and the Research Debris Diversion Platform (RDDP)

DUVOY, P. University of Alaska Fairbanks

Nov 29, 2016
11 Resources
0 Stars
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Wave and Offshore Wind Resource in the U.S. Pacific Ocean Minor Outlying Islands

Coastal environments such as islands have unique opportunities for renewable energy resources. This work explores the wave and offshore wind energy potential for the U.S. Pacific Ocean Minor Outlying Islands, including Baker Island, Howland Island, Jarvis Island, Johnston Atoll, K...

Yang, Z. et al Pacific Northwest National Laboratory

Dec 31, 2020
30 Resources
0 Stars
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