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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
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ORPC RivGen Hydrokinetic Turbine Wake Characterization

Field measurements of mean flow and turbulence parameters at the Kvichak river prior to and after the deployment of ORPC's RivGen hydrokinetic turbine. Data description and turbine wake analysis are presented in the attached manuscript "Wake measurements from a hydrokinetic river ...

Thomson, J. and Guerra, M. University of Washington

Feb 27, 2018
4 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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RANS Simulation RRF of Single Full Scale DOE RM1 MHK Turbine

Attached are the .cas and .dat files for the Reynolds Averaged Navier-Stokes (RANS) simulation of a single full scale DOE RM1 turbine implemented in ANSYS FLUENT CFD-package. In this case study taking advantage of the symmetry of the DOE RM1 geometry, only half of the geometry i...

Javaherchi, T. et al University of Washington

Apr 10, 2013
2 Resources
0 Stars
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RANS Simulation VBM of Single Full Scale DOE RM1 MHK Turbine

Attached are the .cas and .dat files along with the required User Defined Functions (UDFs) and look-up table of lift and drag coefficients for Reynolds Averaged Navier-Stokes (RANS) simulation of a single full scale DOE RM1 turbine implemented in ANSYS FLUENT CFD-package. In this...

Javaherchi, T. and Aliseda, A. University of Washington

Apr 10, 2013
8 Resources
0 Stars
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RANS Simulation RRF of Single Lab-Scaled DOE RM1 MHK Turbine

Attached are the .cas and .dat files for the Reynolds Averaged Navier-Stokes (RANS) simulation of a single lab-scaled DOE RM1 turbine implemented in ANSYS FLUENT CFD-package. The lab-scaled DOE RM1 is a re-design geometry, based of the full scale DOE RM1 design, producing same p...

Javaherchi, T. et al University of Washington

Apr 15, 2014
3 Resources
0 Stars
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RANS Simulation VBM of Single Lab Scaled DOE RM1 MHK Turbine

Javaherchi, T. et al University of Washington (NNMREC)

Apr 15, 2014
8 Resources
0 Stars
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RANS Simulation VBM of Array of Three Coaxial Lab Scaled DOE RM1 MHK Turbine with 5D Spacing

Attached are the .cas and .dat files along with the required User Defined Functions (UDFs) and look-up table of lift and drag coefficients for the Reynolds Averaged Navier-Stokes (RANS) simulation of three coaxially located lab-scaled DOE RM1 turbine implemented in ANSYS FLUENT CF...

Javaherchi, T. University of Washington

Jun 08, 2016
9 Resources
0 Stars
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ALFA: SWIFT Buoy Data Under Extreme Wave Conditions at the Newport South Energy Test Site

Full data set (six deployments) from the Surface Wave Instrument Float With Tracking (SWIFT) buoy deployments at the Newport South Energy Test Site during extreme wave events.

Thomson, J. Northwest National Marine Renewable Energy Center

May 01, 2017
1 Resources
0 Stars
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Version 2 Tidal Energy Resource Characterization, Velocity and Turbulence Measurements, Cook Inlet, AK, 2021

Version 2 of MHKDR submission #475, which also contains the metadata for these measurements. Files here are stored in netCDF4 format, which can be read in Python using the "netcdf4" or "xarray" packages or in MATLAB using the "ncread()" function. Changes are as follows: MWM1 (mi...

Kilcher, L. Pacific Northwest National Laboratory

Jul 01, 2021
9 Resources
1 Stars
Curated

RivGen Current Flow Measurements, Igiugig, AK

Measurements of flow velocity, distribution and turbulence conducted by University of Washington Applied Physics Laboratory, Igiugig, Alaska, Summer 2014

Thomson, J. et al Ocean Renewable Power Company

Nov 03, 2014
1 Resources
0 Stars
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ORPC RivGen 2.0 at Igiugig, AK Operational Data 2019 and 2020

Information enclosed includes operational data from the ORPC RivGen 2.0 deployed at Igiugig, AK in 2019 and 2020. Flow velocities and device performance metrics are recorded along with a report detailing flow speed characterization where Igiugig river flow data is aggregated into ...

Tyler, R. ORPC Inc.

Apr 01, 2022
1 Resources
0 Stars
Awaiting release

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

Current Energy Harnessing using Synergistic Kinematics of Schools of Fish-Shaped Bodies: Marine Hydrodynamics Laboratory Tank Testing Data

The objectives of the proposed work pertain to building a high power-density and high efficiency device to harness MHK energy by mimicking fish-school kinematics. Vortex Hydro Energy is collaborating with a concept formed and undergone preliminary testing at the University of Mich...

Bernitsas, M. Vortex Hydro Energy

Apr 11, 2017
20 Resources
0 Stars
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Virtual Flow Solver Geophysics: A 3D Incompressible Navier-Stokes Solver

Virtual Flow Solver Geophysics (VFS-Geophysics) is a three-dimensional (3D) incompressible Navier-Stokes solver based on the Curvilinear Immersed Boundary (CURVIB) method. The CURVIB is a sharp interface type of immersed boundary (IB) method that enables the simulation of fluid f...

Khosronejad, A. et al Stony Brook University

Jul 17, 2023
2 Resources
0 Stars
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Physical and Numerical Modeling Open Source Files and Datasets for 1:6 Scale Reference Model 2 (RM2) Cross-Flow Turbine

This submission includes Github links to open source files and data sets, including the numerical model, CACTUS, input files, source code and output files, CAD files of the 1:6 scale model DOE's RM2 cross-flow turbine, power performance data and wake flow measurements from the 1:6...

Neary, V. Sandia National Laboratories

Jun 30, 2015
3 Resources
0 Stars
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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
Publicly accessible

Velocity and Turbulence Measurements at Three Locations in the Salish Sea, WA, 2017

This submission contains raw and processed datasets of water velocity and turbulence measurements from 3-day deployments of Deepwater Buoyancy StableMoor buoys carrying acoustic Doppler instrumentation at locations in Rosario Strait, Bellingham Channel, and Tacoma Narrows, WA in 2...

McVey, J. and Kilcher, L. Pacific Northwest National Laboratory

Jul 24, 2017
12 Resources
0 Stars
Curated

Coordinated Control of Tidal Cross-flow Turbines

Initial laboratory experiments with coordinated phase control of cross-flow turbines in a dense array.

Polagye, B. University of Washington

Dec 06, 2016
5 Resources
0 Stars
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RivGen Wake Data, Igiugig, AK

Turbulence data collected in from a SWIFT drifter repeatedly released over the ORPC RivGen turbine

Thomson, J. Northwest National Marine Renewable Energy Center

Jul 01, 2015
1 Resources
0 Stars
Publicly accessible

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
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Kvichak River RISEC Project Resource Reconnaissance and Physical Characterization, Igiugig, AK

During the summer and fall of 2011 TerraSond Ltd. (TerraSond) completed a bathymetric survey and hydrokinetic energy assessment of the Kvichak River at Igiugig, Alaska. The purpose of this work was to characterize the initial site conditions for the design and installation of a hy...

McEntee, J. Ocean Renewable Power Company

Oct 01, 2015
2 Resources
0 Stars
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Performance data for an axial-flow turbine with passive adaptive blades

To support the development of simulation tools for passive adaptive turbine rotors, an experimental data set from a laboratory-scale axial-flow turbine with passive adaptive blades is provided. The 0.45-meter diameter turbine was tested in the Alice C. Tyler Flume at the Universit...

Van Ness, K. et al University of Washington

May 01, 2024
1 Resources
0 Stars
Curated

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
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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

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