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Design of High-Deflection Foils MHK Applications FEA models
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
3 Resources
0 Stars
Publicly accessible
3 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
Performance Data from a 1-Meter Cross-flow Turbine with High Deflection Hydrofoils
Performance data of a 1-meter diameter cross-flow tidal turbine consisting of three NACA 0018 blades with two support struts with high deflection hydrofoils. Data was collected at the University of New Hampshire Jere A. Chase Ocean Engineering Lab within the tow tank. Three turbin...
Marone, N. et al University of New Hampshire, Atlantic Marine Energy Center (AMEC)
Jul 21, 2021
2 Resources
0 Stars
Publicly accessible
2 Resources
0 Stars
Publicly accessible
Triton Field Trials (TFiT) underwater noise University of New Hampshire Living Bridge turbine Processed Data
In July 2021, a commercial-off-the-shelf hydrophone was deployed in a free-drifting configuration to measure underwater acoustic emissions and characterize a 25 kW-rated tidal turbine at the University of New Hampshire's Living Bridge Project in Portsmouth, New Hampshire. Sampling...
Haxel, J. et al Pacific Northwest National Laboratory
Jul 21, 2021
6 Resources
0 Stars
Publicly accessible
6 Resources
0 Stars
Publicly accessible
ARIS Acoustic Camera Data Around a 5kW In-River Turbine from Tanana River Test Site
Four days (June 14-17, 2021) of ARIS acoustic camera data from the main research barge of the Tanana River Test Site operated by UAF. Data are collected sidelooking with the turbine in part of the field of view. This data was collected as part of a fish collision risk study. An ac...
Staines, G. Pacific Northwest National Laboratory
Jun 14, 2021
19 Resources
0 Stars
Publicly accessible
19 Resources
0 Stars
Publicly accessible
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 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
1 Resources
0 Stars
Publicly accessible
Motion Tracking Above and Below Water Dataset
This data set includes one trial of above and under water motion tracking measurements from a Qualysis motion tracking system. The Qualisys native .qtm file can be opened by the Qualisys Track Manager software. Data from this file has been exported to a tab separated value (.tsv...
Bosma, B. and Lomonaco, P. Pacific Marine Energy Center (PMEC)
Apr 23, 2021
3 Resources
0 Stars
Publicly accessible
3 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
0 Stars
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Optimal kite control in spatiotemporally varying flow fields ACC 2021
Two papers submitted (and accepted) to the 2021 American Control Conference (ACC), both focused on different attributes of kite control in variable flow environments. Siddiqui et. al. focuses on tether elevation angle control in a spatiotemporally varying environment, and Reed et....
Vermillion, C. et al North Carolina State University
Sep 14, 2020
2 Resources
0 Stars
Publicly accessible
2 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
Publicly accessible
1 Resources
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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
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
1 Resources
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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
3 Resources
0 Stars
Publicly accessible
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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1 Resources
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StingRAY Structural Optimization Final Technical Report
The overall project objective is to materially decrease the leveled cost of energy (LCOE) of the Columbia Power (CPower) StingRAY utility-scale wave energy converter (WEC). This will be achieved by reducing structural material and manufacturing costs and increasing energy output. ...
Lenee-Bluhm, P. Columbia Power Technologies, Inc.
Aug 05, 2020
2 Resources
0 Stars
Publicly accessible
2 Resources
0 Stars
Publicly accessible
High Resolution Ocean Surface Wave Hindcast (US Wave) Data
The development of this dataset was funded by the U.S. Department of Energy, Office of Energy Efficiency & Renewable Energy, Water Power Technologies Office to improve our understanding of the U.S. wave energy resource and to provide critical information for wave energy project de...
Yang, Z. et al National Renewable Energy Laboratory
Jul 01, 2020
6 Resources
1 Stars
Publicly accessible
6 Resources
1 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
2 Resources
0 Stars
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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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3 Resources
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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
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2 Resources
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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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2 Resources
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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
2 Resources
0 Stars
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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
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1 Resources
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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
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1 Resources
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MHK Levelized Cost of Energy (LCOE) Guidance and Techo Economic Analysis Materials
Useful information and tools for calculating the Levelized Cost of Energy (LCOE) and MHK Cost Breakdown Structure. Includes a structure for calculating the capital expenditures and operating costs of a marine energy technology or device, reference resource data for both wave and ...
Jenne, S. and Baca, E. National Renewable Energy Laboratory
Nov 08, 2019
7 Resources
0 Stars
Publicly accessible
7 Resources
0 Stars
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