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Control of an AUV with deployable energy-harvesting kite

This paper examines the control of an autonomous underwater vehicle (AUV) with a deployable energy-harvesting kite for oceanographic observation and surveillance. The proposed design and control strategies specifically address objectives of achieving high-payload, long-endurance A...

Reed, J. et al North Carolina State University

Sep 02, 2019
1 Resources
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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
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ALFA Station Keeping Results for Seabotix vLBV300 Underwater Vehicle near Newport, OR

This data set presents results testing the station keeping abilities of a tethered Seabotix vLBV300 underwater vehicle equipped with an inertial navigation system. These results are from an offshore deployment on April 20, 2016 off the coast of Newport, OR (44.678 degrees N, 124.1...

Hollinger, G. Oregon State University

Apr 20, 2016
8 Resources
0 Stars
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TEAMER: CalWave xWave New Technology Qualification and Path to Certification Final Report

CalWave is developing a wave energy converter (WEC) called xWave, which operates fully submerged and is classified as a submerged pressure differential type. As ocean waves pass over the submerged wave buoy, a pressure differential is created, exciting the absorber in multiple deg...

Petcovic, D. and Zhang, S. CalWave Power Technologies Inc.

Oct 31, 2022
2 Resources
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Advanced WEC Dynamics and Controls, Test 1

Numerous studies have shown that advanced control of a wave energy converter's (WEC's) power take off (PTO) can provide significant increases (on the order of 200-300%) in WEC energy absorption. Transitioning these control approaches from simplified paper studies to application in...

Coe, R. Sandia National Laboratories

Feb 26, 2016
3 Resources
0 Stars
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Underwater Mapping Results for Seabotix vLBV300 Vehicle with Tritech Gemini 720i Imaging Sonar near Newport, OR

This document presents results from tests to demonstrate underwater mapping capabilities of an underwater vehicle in conditions typically found in marine renewable energy arrays. These tests were performed with a tethered Seabotix vLBV300 underwater vehicle. The vehicle is equippe...

Hollinger, G. Oregon State University

May 15, 2017
5 Resources
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MASK3 for Advanced WEC Dynamics and Controls

This report outlines the "MASK3" wave tank test within the Advanced WEC Dynamics and Controls (AWDC) project. This test represents the final test in the AWDC project. The focus of the MASK3 test was to consider coordinated 3-degree-of-freedom (3DOF) control of a WEC in a realistic...

Coe, R. et al Sandia National Laboratories

May 01, 2019
4 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
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Optimization of Marine Energy Conversion Systems Through Modeling, Optimization, and CHIL Validation

The work aims to achieve optimal tidal energy conversion through a comprehensive approach of modeling, optimization, and control hardware-in-the-loop (CHIL) validation. By developing accurate models and employing optimization techniques, it seeks to identify efficient system confi...

Luo, F. et al Stony Brook University

Jul 17, 2023
6 Resources
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Accelerated Lifetime Testing of Main Shaft Seals for Tidal Turbine Rotors

The lifetime assessment experimental platform described in this report is specifically designed for testing the low-speed main shaft seal for Verdant Power's (Verdant Power Inc., New York, New York) fifth-generation (Gen5) underwater power generation turbine. This project is joint...

Murray, R. et al National Renewable Energy Laboratory

Jul 01, 2024
1 Resources
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TEAMER: Numerical Modeling and Optimization of the iProTech Pitching Inertial Pump (PIP) Wave Energy Converter (WEC)

This project focused on developing an automated workflow to evaluate and optimize the iProTech Pitching Inertial Pump (PIP) wave energy converter (WEC) using open-source Python packages and the MATLAB/Simulink tool, WEC-Sim. The process involved parameterizing key design variables...

Wynn, N. et al National Renewable Energy Laboratory

Apr 11, 2024
1 Resources
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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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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
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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
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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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TEAMER: MADWEC Techno-Economic Analysis

The objective of this project was for the facility to conduct a techno-economic assessment (TEA) of the Maximal Asymmetric Drag Wave Energy Converter (MADWEC), developed by the University of Massachusetts Dartmouth (UMass Dartmouth). MADWEC is used for powering remote monitoring a...

Ortega, T. and Baca, E. National Renewable Energy Laboratory

Mar 08, 2024
2 Resources
0 Stars
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Pacific Marine Energy Center benthic physical conditions, macrofauna, and groundfish abundances

From 2010 to 2015, box core grabs were collected at permanent stations around the Pacific Marine Energy Center North Energy Test Site (PMEC-NETS) off Newport, Oregon. At each box core station a conductivity, temperature, depth (CTD) cast was conducted. These data include the CTD f...

Henkel, S. Oregon State University

Aug 26, 2015
4 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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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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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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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
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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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HERO WEC V1.0 WEC-Sim Detailed Simulation Runs and Summary Data

Data sets from simulation runs include 144 wave cases that were run based on the WEC-Sim model (https://mhkdr.openei.org/submissions/483). The 144 wave cases represent waves with the following wave height and wave period ranges: Significant Wave Height: 0.25 4.0m in 0.25m incre...

Jenne, S. National Renewable Energy Laboratory

Aug 12, 2022
9 Resources
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Admiralty Inlet Hub-Height Turbulence Measurements from June 2012

This data is from measurements at Admiralty Head, in Admiralty Inlet. The measurements were made using an IMU equipped ADV mounted on a mooring, the 'Tidal Turbulence Mooring' or 'TTM'. The inertial measurements from the IMU allows for removal of mooring motion in post processing....