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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

Centipod WEC, Advanced Controls, WaveDyn Models

Archive containing the WaveDyn models used for analysis of the Centipod WEC with and without Advanced Controls, i.e. the WaveDyn files contain a baseline model which can be run alone, and a model predictive control (MPC) model which must be run when connected to the MPC controller...

McCall, A. Dehlsen Associates, LLC

Feb 15, 2016
3 Resources
0 Stars
Publicly accessible

Centipod WEC, Advanced Controls, MPC Controller MATLAB Code

This archive contains the MATLAB code for the model predictive control (MPC) controller developed in this project. The archive containing the WaveDyn models used for analysis of the Centipod with the MPC controller is linked in this submission.

McCall, A. Dehlsen Associates, LLC

Feb 15, 2016
3 Resources
0 Stars
Publicly accessible

Ore Deposits Mined for Critical Elements

Summary of deposit types containing critical elements, including, cobalt, gallium, germanium, indium, niobium, PGE, REE, rhenium, selenium, and tellurium. Includes information about ore deposit type, mineralogy, geologic setting, example deposits and districts, concentration range...

Verplanck, P. and Kelley, K. Energy and Geoscience Institute at the University of Utah

Jul 27, 2017
1 Resources
0 Stars
Publicly accessible

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

EGS Collab Experiment 1: In-situ observation of pre-, co and post-seismic shear slip preceding hydraulic fracturing

Understanding the initiation and arrest of earthquakes is one of the long-standing challenges of seismology. Here we report on direct observations of borehole displacement by a meter-sized shear rupture induced by pressurization of metamorphic rock at 1.5 km depth. We observed the...

Guglielmi, Y. et al Lawrence Berkeley National Laboratory

May 22, 2018
2 Resources
0 Stars
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Applications of Fractured Continuum Model to Enhanced Geothermal System Heat Extraction Problems

This paper describes the applications of the fractured continuum model to the different enhanced geothermal systems reservoir conditions. The capability of the fractured continuum model to generate fracture characteristics expected in enhanced geothermal systems reservoir environm...

Kalinina, E. et al Sandia National Laboratories

May 06, 2014
1 Resources
0 Stars
Publicly accessible

Strengthening of Calcite Assemblages through Chemical Complexation Reaction Experimental Data

Experimental data for manuscript "Strengthening of Calcite Assemblages through Chemical Complexation Reaction" by R. C. Choens, J. Wilson, and A. G. Ilgen; Sandia National Laboratories. The data includes scanning electron microscope images of various calcite assemblages along with...

Choens, R. et al Sandia National Laboratories

Feb 04, 2021
11 Resources
0 Stars
Publicly accessible

Geogenic Helium Release from Rock Fracture

In this project 38 uniaxial compaction tests were conducted at Sandia National Laboratories with 7 different rock types. During these tests, we created a vacuum system and evacuated and measured all the helium that was released by the samples during crushing. The experimental file...

Kibikas, W. Sandia National Laboratories

Jan 24, 2025
3 Resources
0 Stars
Awaiting release

Reference Site Condition Datasets for Floating Wind Arrays in the United States

Floating offshore wind farm design is highly site-specific, requiring detailed information about the specific conditions of a project area for realistic design studies. Unfortunately, publicly available site condition data for potential floating offshore wind project sites in the ...

Biglu. . et al National Renewable Energy Laboratory

Aug 02, 2024
4 Resources
0 Stars
Publicly accessible

HERO WEC 2024 Electrical Configuration Deployment Data

The following submission includes raw and processed electrical configuration deployment data from the in water deployment of NREL's Hydraulic and Electric Reverse Osmosis Wave Energy Converter (HERO WEC), in the form of parquet files, TDMS files, CSV files, bag files, and MATLAB w...

Jenne, S. et al National Renewable Energy Laboratory

Apr 18, 2024
16 Resources
0 Stars
Publicly accessible

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
0 Stars
Publicly accessible

Technology Development and Field Trials of EGS Drilling Systems at Chocolate Mountain

Polycrystalline diamond compact (PDC) bits are routinely used in the oil and gas industry for drilling medium to hard rock but have not been adopted for geothermal drilling, largely due to past reliability issues and higher purchase costs. The Sandia Geothermal Research Departmen...

Knudsen, S. et al Sandia National Laboratories

Jan 01, 2012
3 Resources
0 Stars
Publicly accessible

April 2013 Green Machine Florida Canyon Hourly Data

Employing innovative product developments to demonstrate financial and technical viability of producing electricity from low temperature geothermal fluids, coproduced in a mining operation, by employing ElectraTherm's modular and mobile heat-to-power "micro geothermal" power plant...

Vanderhoff, A. ElectraTherm, Inc.

Apr 24, 2013
1 Resources
0 Stars
Publicly accessible

Transport of CO2 in Stimuli-Responsive Fracking Fluid, StimuFrac

CO2 breakthrough experiments in a column packed with sand and filled with StimuFrac fluid or water to learn about transport of the stimuli (CO2) on environments where either water or the stimuli-responsive polymer aqueous solution (StimuFrac) is present. Results suggest co-injecti...

Fernandez, C. Pacific Northwest National Laboratory

Sep 15, 2016
1 Resources
0 Stars
Publicly accessible

LCOE Analysis of Surge-Mode WEC

Spreadsheet which provides estimates of reductions in Levelized Cost of Energy for a surge-mode wave energy converter (WEC). This is made available via adoption of the advanced control strategies developed during this research effort.

Staby, B. Resolute Marine Energy, Inc.

Mar 07, 2017
1 Resources
0 Stars
Publicly accessible

Low-Temperature Geothermal Geospatial Datasets: An Example from Alaska

This project is a component of a broader effort focused on geothermal heating and cooling (GHC) with the aim of illustrating the numerous benefits of incorporating GHC and geothermal heat exchange (GHX) into community energy planning and national decarbonization strategies. To bet...

Davalos Elizondo, E. et al National Renewable Energy Laboratory

Feb 06, 2023
6 Resources
0 Stars
Publicly accessible

StingRAY System and LCOE Content Models

DOE System and LCOE (levelized costs of energy) Content Models completed for a utility-scale Stingray WEC.

Rhinefrank, K. Columbia Power Technologies, Inc.

Mar 06, 2017
2 Resources
0 Stars
Publicly accessible

Develop and verify soil/structure interaction for pile/foundation interaction

**Overview** Phase II of the Offshore Code Comparison Collaboration, Continued, with Correlation and unCertainty (OC6) project was used to verify the implementation of a new soil-structure interaction (SSI) model for use within offshore wind turbine modeling software. The REDWIN...

Robertson, A. Wind Energy Technologies Office (WETO)

Jun 02, 2022
1 Resources
0 Stars
Publicly accessible

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