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ALFA Field Testing of a Dual Sonar System for Detecting Woody Debris

Field testing of a dual sonar system for detecting woody debris in natural settings was conducted at the Tanana River Test Site (TRTS) in Nenana, AK between 8/26 and 9/23, 2015. The TRTS is approximately 65 miles south of Fairbanks and is well suited for testing hydrokinetic energ...
Kasper, J. University of Alaska Fairbanks
Apr 11, 2022
16 Resources
0 Stars
Publicly accessible

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
Publicly accessible

Tidal Current Cross-flow Turbine Wake ADV and PIV Data

Measurements in the wake of a high-solidity cross-flow turbine in a laboratory flume obtained using Acoustic Doppler Velocimetry and Particle Image Velocimetry for the purposes of characterizing the turbine wake and comparing the methods.
Polagye, B. University of Washington
Dec 06, 2016
6 Resources
1 Stars
Publicly accessible

TEAMER: Tidal Energy Resource Characterization and Model Validation via the Assessment of Distributed Current Measurements from microFloat Swarms, Data and Post-Access Report

This project evaluated how high-resolution, spatially distributed field data can be used to refine and validate site-scale hydrodynamic simulations of tidal channels. Use of such spatially-distributed field observations or site-scale hydrodynamic simulations will be needed for pro...
Harrison, T. et al University of Washington (NNMREC) Applied Physics Lab
Aug 20, 2020
20 Resources
0 Stars
Curated

TEAMER: Tidal Turbine Test, Downeast Turbines, July 12, 2021

Downeast Turbines tested a tidal turbine prototype with novel rotor/channel system and lateral effluent discharge apparatus (LEDA), during five days of testing in the flume at Alden Lab. Three days of testing (July 12-14, 2021) focused on turbine power metrics of torque and rpm, w...
McBride, G. Downeast Turbines
Mar 26, 2022
6 Resources
0 Stars
Publicly accessible

Tanana River Transects September 2010

As part of the initial site investigation for the Tanana River near Nenana, Alaska, a set of transects was completed on September 23rd, 2010. Similar to the one done on August 10th, 2010. This data was collected with a Rio Grande 1200 Teledyne ADCP the same year the initial bathym...
DUVOY, P. University of Alaska Fairbanks
Sep 23, 2010
2 Resources
0 Stars
Curated

TEAMER: Experimental performance characterization of a shrouded axial-flow turbine

Sitkana has developed a shrouded hydrokinetic turbine with a modular, low-cost design that can be scaled to meet the needs of remote communities. With technical support from the University of Washington, Sitkana sought to experimentally characterize the mechanical power and struct...
McMullan, L. et al University of Washington
Oct 20, 2023
2 Resources
0 Stars
Publicly accessible

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

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

In-Situ Blade Strain Measurements of a Crossflow Turbine Operating in a Tidal Flow

This data was collected between October 25 and December 12 of 2022 at the University of New Hampshire (UNH) and Atlantic Marine Energy Center (AMEC) turbine deployment platform (TDP). The goal was to collect blade strain data from a crossflow turbine operating in a tidal flow. A t...
Bharath, A. et al National Renewable Energy Laboratory
Dec 16, 2022
17 Resources
0 Stars
Curated

20 Year Daily Average Modeled Velocity and Discharge for Openwater Season at Five Communities on Kuskokwim River, Alaska

This dataset includes modeled velocity and discharge at five communities in the middle Kuskokwim River region: Aniak, Chuathbaluk, Crooked Creek, Red Devil and Stony River. Modeled velocities and discharge represent daily averages calculated for the openwater season (OWS) from Jun...
Brown, E. et al University of Alaska Fairbanks
Dec 02, 2022
9 Resources
0 Stars
Publicly accessible

Tanana River Transects August 2010

As part of the initial site investigation for the Tanana River near Nenana, Alaska, a set of transects was completed on August 10th, 2010. This data was collected with a Rio Grande 1200 Teledyne ADCP the same year the initial bathymetry was collected. This set of transects includ...
DUVOY, P. University of Alaska Fairbanks
Aug 10, 2010
5 Resources
0 Stars
Curated

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
4 Resources
0 Stars
Curated

Modeled Hourly Tidal Current Velocities, Directions, and Heights from May 1 September 1, 2005 at Two Points Near East Forelands and Tyonek in Cook Inlet, Alaska

This dataset includes modeled tidal current velocities, direction and depth at two locations in East and North Forelands (60.716, 151.434 and 61.024, 151.157) near Nikiski and Tyonek, respectively, in Cook Inlet, Alaska. Data from two grid cells were provided by the Pacific Northw...
Bond, B. et al University of Alaska Fairbanks
Oct 05, 2022
3 Resources
0 Stars
Publicly accessible

Next Generation RivGen Power System: Kvichak River, AK Overwinter Ice Study

The University of Alaska Fairbanks (UAF) Alaska Hydrokinetic Energy Research Center was tasked with developing a real-time data telemetry / remote power generation system to monitor frazil ice conditions in the Kvichak River in support of the U.S. Department of Energy funded "Next...
Kasper, J. et al Igiugig Village Council
Oct 04, 2017
5 Resources
0 Stars
Publicly accessible

TEAMER: Crossflow Turbine Fairing Geometry Optimization Report and CFD Modeling Files

The dataset includes computational fluid dynamics (CFD) models and simulation files for crossflow turbines as well as a detailed project report. The report documents the project undertaken by the Ocean Renewable Power Company (ORPC) to design and optimize a modular fairing for the...
McEntee, J. Ocean Renewable Power Company
Aug 08, 2024
3 Resources
0 Stars
Curated

RivGen Acoustic Measurements, Igiugig, AK

Drifting hydrophone measurements obtained around the Ocean Renewable Power Company RivGen turbine near the village of Igiugig, Alaska in August, 2014. Each data set contains hydrophone voltage (as well as gain and sensitivity), position on the river (LAT, LONG, and proximity to tu...
Polagye, B. University of Washington
Jun 06, 2016
1 Resources
0 Stars
Publicly accessible

DAISY Acoustic Measurements in Agate Pass, WA

Acoustic data and metadata from Drifting Acoustic Instrumentation SYstem (DAISY) testing in Agate Pass (separating the north end of Bainbridge Island and the Kitsap Peninsula in Puget Sound), WA in April 2022. The goal was to characterize radiated noise from a cross-flow turbine d...
Polagye, B. et al University of Washington
Apr 20, 2022
3 Resources
0 Stars
Publicly accessible

TEAMER: A Tow Body Optical Camera System

Archive consists of design drawings, assembly instructions, and bill of materials (BOM) for a Igiugig Village Council (IVC)/Ocean Renewable Power company (ORPC) tow body camera system for underwater environmental monitoring using optical cameras. This work was conducted by the Uni...
Joslin, J. et al University of Washington
Apr 30, 2021
6 Resources
0 Stars
Curated

Millinocket Stream, Maine Velocity and Bathymetry Measurements 2021

ORPC staff collected site characterization data on Millinocket Stream, downstream of the hydropower station at the former Great Northern Paper Mill site in Millinocket, Maine. Bathymetry was collected with a SonTek M9 using HydroSurveyor software package and velocity was collected...
Anderton, S. and Caspard, M. ORPC Inc.
Sep 30, 2021
4 Resources
0 Stars
Awaiting release

ALFA Shared Autonomy Manipulation Data with a Seabotix vLBV300

This report outlines marine field demonstrations for manipulation tasks with a semi-Autonomous Underwater Vehicle (sAUV). The vehicle is built off a Seabotix vLBV300 platform with custom software interfacing it with the Robot Operating System (ROS). The vehicle utilizes an inertia...
Hollinger, G. and Lawrance, N. Oregon State University
Jun 19, 2017
2 Resources
0 Stars
Publicly accessible

TEAMER: DAISY Variant and Tether Tests, Admirality Inlet, WA

Acoustic data and metadata from Drifting Acoustic Instrumentation SYstem (DAISY) testing in Admiralty Inlet (connecting Puget Sound to the Strait of San Juan de Fuca) in July 2022. Tests focused on occurrences of flow noise for three hydrophone package variants and on the potentia...
Crisp, C. et al University of Washington
Jul 14, 2022
6 Resources
0 Stars
Publicly accessible

Hydrokinetic Canal Measurements: Inflow Velocity, Wake Flow Velocity, and Turbulence

The dataset consist of acoustic Doppler current profiler (ADCP) velocity measurements in the wake of a 3-meter diameter vertical-axis hydrokinetic turbine deployed in Roza Canal, Yakima, WA, USA. A normalized hub-centerline wake velocity profile and two cross-section velocity con...
Gunawan, B. Sandia National Laboratories
Jun 11, 2014
4 Resources
0 Stars
Publicly accessible

TEAMER: Pitching Foil Crossflow Turbine Efficiency Data

This dataset documents the efficiency testing of a pitching foil crossflow turbine, conducted at the University of New Hampshire's (UNH) Chase Ocean Engineering Laboratory tow tank facility. The tests explored various pitch phases and amplitudes, ranging from 0 to 18 degrees, acro...
McEntee, J. Ocean Renewable Power Company
Aug 07, 2024
2 Resources
0 Stars
Curated

Underwater Target Detection Software Demonstration on the RivGen Turbine

This repository contains data and processing scripts necessary to train the object detection models utilized in the project and to produce performance metrics (precision, recall, mAP50, mAP50-95). Contents: Data consist of "images" and "labels". Each image has an associated lab...
Joslin, J. et al MarineSitu
Dec 17, 2024
1 Resources
0 Stars
Awaiting curation
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