Search MHK Data

Showing results 26 - 50 of 102.
Show results per page.
Order by:
Available Now:
Technologies
Topics
Signature Projects
Collection Method
Data Type
"linear direct drive PTO"×

TEAMER: Experimental Characterization of a Laboratory-Scaled Oscillating Surge Wave Energy Converter

This data is a result of an experimental campaign to characterize the hydrodynamics and performance of a laboratory-scale oscillating surge wave energy converter (OSWEC). The device was 85 cm wide, 1.4 meters tall, and 14 cm thick and was tested in the Sea Wave Environmental Lab (...
Lydon, B. et al University of Washington
Apr 05, 2024
1 Resources
0 Stars
Curated

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

Advanced Control Systems for Wave Energy Converters

This submission contains several papers, a final report, descriptions of a theoretical framework for two types of control systems, and descriptions of eight real-time flap load control policies with the objective of assessing the potential improvement of annual average capture eff...
Scruggs, J. et al Resolute Marine Energy, Inc.
Jan 30, 2017
4 Resources
0 Stars
Publicly accessible

MASK4 Test Campaign for Sandia WaveBot Device Dataset

This data and report details the findings from a wave tank test focused on production of useful work of a wave energy converter (WEC) device. The experimental system and test were specifically designed to validate models for power transmission throughout the WEC system. Additional...
Forbush, D. et al Sandia National Laboratories
Dec 25, 2023
5 Resources
0 Stars
Publicly accessible

Hawaii Wave Surge Energy Converter (HAWSEC) OSU O.H. Hinsdale Basin

The following information and metadata applies to both the Phase I (Hydrodynamics) and Phase II (Full System Power Take-Off) zip folders which contain testing data from the OSU (Oregon State University) O.H. Hinsdale Wave Research Laboratory, from both OSU and the University of Ha...
Rajagopalan, K. et al University of Hawaii at Manoa
Jun 22, 2022
3 Resources
0 Stars
Awaiting release

H3 StingRAY Final Design and Technical Report Section 13 Appendices

These documents are referenced in the public version of the H3 StingRAY Final Design and Technical Report (Linked Dataset can be found in Resources section, below), and are submitted separately to allow for public release of head document. The display names have the corresponding ...
Lenee-Bluhm, P. and Prudell, J. Columbia Power Technologies, Inc.
Sep 15, 2023
53 Resources
0 Stars
Awaiting release

RivGen Deployment Control System Specifications and Models, Igiugig, AK

Control System simulation models, case studies, and processing codes for analyzing field data. Raw data files included from VFD and SCADA. MatLab and Simulink are required to open some data files and all model files.
Forbush, D. et al Ocean Renewable Power Company
Mar 21, 2016
2 Resources
0 Stars
Publicly accessible

RM3 Wave Tank Validation Model

An approximately 1/75th scale point absorber wave energy absorber was built to validate the testing systems of a 16k gallon single paddle wave tank. The model was build based on the RM3 design and incorporated a linear position sensor, a force transducer, and wetness detection sen...
Candon, C. and Fao, R. National Renewable Energy Laboratory
Jul 31, 2023
3 Resources
0 Stars
Publicly accessible

Wave Energy Prize 1/50th Testing WECCA Attenuator

This submission of data includes all the 1/50th scale testing data completed on the Wave Energy Prize for the WECCA team, and includes: 1/50th test data (raw & processed) 1/50th test data video and pictures 1/50th Test plans and testing documents SSTF_Submission (summarized re...
Scharmen, W. Ricardo Detroit Technical Center
Jan 15, 2016
6 Resources
0 Stars
Publicly accessible

CalWave First Iterative PTO Description

This documents summarizes a preliminary first iterative design of a PTO device developed by CalWave. The document includes controls, hydraulic, and electric architectures from the first iteration of the CalWave PTO design that match requirements set out by the "CalWave Holistic PT...
Kojimoto, N. et al CalWave Power Technologies Inc.
Dec 06, 2021
2 Resources
0 Stars
Awaiting release

CalWave WEC Holistic PTO Design

This project aims to advance the Technology Readiness Level (TRL) of CalWave’s commercial scale Power Take-Off (PTO) subsystem through further increasing the level of coupling in physical PTO and concurrent controls design. This is achieved by incorporating a systematic holistic...
Boerner, T. et al CalWave Power Technologies Inc.
Sep 02, 2022
5 Resources
0 Stars
Awaiting release

National Marine Renewable Energy Center Upgrades LUPA

The data provided is part of a power take off damping optimization study. The power take off damping coefficient was swept from 0 to approximately 7000 N/m/s during a single regular wave test with a real time control of the motor/generator. The generated power from the LUPA (Lab U...
Robertson, B. et al Oregon State University
Oct 12, 2022
5 Resources
0 Stars
Publicly accessible

Holistic Control Embedded PTO Development Target Performance Metrics Definitions

Collection of Power Take-Off (PTO), Power Conversion Chain (PCC), and relevant device metrics to be used for performance assessment of the Control co-designed PTO including brief summary of literature, baseline, and target metrics values.
Boerner, T. et al CalWave Power Technologies Inc.
Jul 30, 2019
1 Resources
0 Stars
Publicly accessible

CalWave Holistic PTO Design Product Requirement Document

CalWave Power Technologies is currently in the process of developing the conceptual architecture for a fully upscaled Wave Energy Converter. Current and past efforts have been for smaller scaled systems, with commensurately lower forces and length scales. This document contains a ...
Kojimoto, N. et al CalWave Power Technologies Inc.
Dec 06, 2021
1 Resources
0 Stars
Awaiting release

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
Publicly accessible

TEAMER: Technical Support for Aquantis (Materials): CRD-21-17762-0

The Aquantis Tidal Power Tug is a unique synthesis of best-available technologies and materials configured as a novel spar vessel to create an optimal platform for tidal stream energy conversion. The Power Tug utilizes an upstream-facing horizontal, 2-bladed rotor. To drive down c...
Swales, H. et al Aquantis, Inc.
Oct 17, 2024
1 Resources
0 Stars
In curation

Data from Numerical Modeling of Halona Oscillating Water Column Wave Energy Converter for Autonomous Underwater Vehicle Docking

In this project, we applied the Forchheimer flow model in Computational Fluid Dynamics (CFD) simulation to characterize the flow through an orifice used as a quadratic Power Takeoff (PTO) for an oscillating water column (OWC) wave energy convertor (WEC) in the experiments. This pr...
Hsieh, Y. American Bureau of Shipping
Apr 17, 2025
19 Resources
0 Stars
In curation

Lift Equivalence and Cancellation for Airfoil Surge-Pitch-Plunge Oscillations

A NACA 0018 airfoil in freestream velocity is oscillated in longitudinal, transverse, and angle-of-attack directions with respect to the freestream velocity, known as surge, plunge, and pitch. The lift-based equivalence method introduces phase shifts between these three motions to...
Elfering, K. and Granlund, K. North Carolina State University
Jan 01, 2020
1 Resources
0 Stars
Publicly accessible

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
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

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

HERO WEC V1.0 Electrical PTO Deployment Data and Analysis

This submission includes the processed and raw field electrical data from NREL's August 2022 HERO WEC (hydraulic and electric reverse osmosis wave energy converter) deployment at Jennette's Pier for the electrical PTO (power take-off).
Nakhai, A. et al National Renewable Energy Laboratory
Aug 12, 2022
4 Resources
0 Stars
Publicly accessible

TEAMER: CalWave UMaine 2021 Tank Testing

This is the data submission to the teamer report for RFTS 1 (request for technical support) during which tank testing at UMaine W2 tank occurred. This submission includes the relevant information and recorded data of CalWave's UMaine wave tank testing conducted under TEAMER Reques...
Boerner, T. CalWave Power Technologies Inc.
Apr 01, 2021
1 Resources
0 Stars
Awaiting release

TEAMER: Additional Degree of Freedom for WEC Model

'Additional Degree of Freedom for WEC' WEC-Sim numerical model from RFTS 1 (request for technical support) TEAMER project. An increase in wave energy converter (WEC) efficiency requires not only consideration of the nonlinear effects in the WEC dynamics and the power take-off (PTO...
McCall, A. et al Dehlsen Associates, LLC
May 26, 2022
2 Resources
0 Stars
Awaiting release

HERO WEC V1.0 WEC-Sim Model

This zip file contains the files that are needed to simulate NREL's HERO WEC (hydraulic and electric reverse osmosis wave energy converter). This requires the user to have already installed WEC-Sim. In addition to the standard toolboxes that are required to run WEC-Sim the user wi...
Jenne, S. National Renewable Energy Laboratory
Aug 12, 2022
2 Resources
0 Stars
Publicly accessible
<< Previous12345Next >>