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Assessing REE Concentrations in Geothermal and Oil and Gas Produced Waters: A Potential Domestic Source of Strategic Mineral Commodities

The project team collected and analyzed 224 water samples and 101 matching rock samples. INL's improved method of measuring aqueous REEs allows study of samples previously thought too volume limited to measure. The study found that aqueous REEs occur at trace levels in all analyz...
Quillinan, S. et al University of Wyoming
Mar 08, 2019
1 Resources
0 Stars
Publicly accessible

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
Publicly accessible

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
0 Stars
Publicly accessible

Evaluating an Exterior Insulation and Finish System for Deep Energy Retrofits

This report provides a case study of a deep energy retrofit using a site-applied exterior insulation and finish system (EIFS). Prefabricated EIFS panels are also discussed as a potential wall insulation retrofit solution. EIFSs are common in new and retrofit commercial constructio...
Dentz, J. and Podorson, D. The Levy Partnership, Inc Systems Building Research Alliance
Apr 27, 2016
2 Resources
0 Stars
Publicly accessible

ARPA-E Grid Optimization (GO) Competition Challenge 3

Synthetic Input Data and Team Results for the GO Competition Challenge 3 for Events 1 4 and the Sandbox, along with problem and format descriptions and code to validate data and solutions, are available here. Data for industry scenarios will not be made public. The Grid Optimizat...
Elbert, S. et al Pacific Northwest National Laboratory
May 02, 2024
39 Resources
1 Stars
Publicly accessible

Innovative Technologies to Overcome Interface Challenges for Wall Retrofit Systems

In this project, we will develop a system of computer-assisted, automated workflows to specify, manufacture, and install panelized retrofit systems, focusing particularly on panel joints and interface detailing between the panels and facade openings. The proposed system will subst...
Harris, C. et al National Renewable Energy Laboratory (NREL)
Dec 13, 2021
3 Resources
0 Stars
Publicly accessible

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

Brookfield Homes Passive House Performance Evaluation

TO4 3.1.3: Brookfield Homes Short-Term Results TO5 3.1.3: Brookfield Passive House Monitoring To further define its market position on high performance homebuilding, Brookfield worked with IBACOS and the Building America program to design and construct a Passive House (PH) certif...
Beach, R. et al Ibacos Innovation
Apr 27, 2016
4 Resources
0 Stars
Publicly accessible

Moisture Risk in Unvented Attics Due to Air Leakage Paths Minneapolis Minnesota

IBACOS completed an initial analysis of moisture damage potential in an unvented attic insulated with closed-cell spray polyurethane foam. To complete this analysis, the research team collected field data, used computational fluid dynamics to quantify the airflow rates through ind...
Rapport, A. et al Ibacos Innovation
Apr 27, 2016
6 Resources
0 Stars
Publicly accessible

Updated Overpressures and Permeability Values for PNNL's StimuFrac Fluid

A corrigendum was submitted to the journal of Geothermics on our article "Environmentally friendly, rheoreversible, hydraulic-fracturing fluids for enhanced geothermal systems" Shao et al Geothermics 58 (2015) 22-31. In the original article some permeability values were underesti...
Shao, H. et al Pacific Northwest National Laboratory
Apr 06, 2016
1 Resources
0 Stars
Publicly accessible

Simulation Tools for Modeling Thermal Spallation Drilling on Multiple Scales

Widespread adoption of geothermal energy will require access to deeply buried resources in granitic basement rocks at high temperatures and pressures. Exploiting these resources necessitates novel methods for drilling, stimulation, and maintenance, under operating conditions that ...
Walsh, S. et al Lawrence Livermore National Laboratory
Jan 01, 2012
1 Resources
0 Stars
Publicly accessible

H3 StingRAY Final Design and Technical Report

The goal of this Project was to develop a standards-compliant, fabrication-ready design of Columbia Power Technologies' (C-Power) next-generation wave energy converter (WEC), the StingRAY H3. The H3 is a design iteration of C-Power's StingRAY WEC and is intended for electrical pow...
Prudell, J. and Lenee-Bluhm, P. Columbia Power Technologies, Inc.
Sep 15, 2023
2 Resources
0 Stars
Publicly accessible

Reservoir Stimulation Optimization with Operational Monitoring for Creation of EGS

EGS field projects have not sustained production at rates greater than 1/2 of what is needed for economic viability. The primary limitation that makes commercial EGS infeasible is our current inability to cost-effectively create high-permeability reservoirs from impermeable, igneo...
A., C. Pacific Northwest National Laboratory
Sep 15, 2014
5 Resources
0 Stars
Publicly accessible

OPFLearnData: Dataset for Learning AC Optimal Power Flow

The datasets are resulting from OPFLearn.jl, a Julia package for creating AC OPF datasets. The package was developed to provide researchers with a standardized way to efficiently create AC OPF datasets that are representative of more of the AC OPF feasible load space compared to t...
Joswig-Jones, . et al National Renewable Energy Laboratory
Oct 26, 2021
12 Resources
0 Stars
Publicly accessible

National Renewable Energy Laboratory/Habitat for Humanity Zero Energy Home: A Cold Climate Case Study for Affordable Zero Energy Homes

The design of this 1,280-square-foot, three-bedroom Habitat for Humanity of Metro Denver zero energy home carefully combines envelope efficiency, efficient equipment, appliances and lighting, and passive and active solar features to reach the zero energy goal. The home was designe...
Norton, P. et al National Renewable Energy Laboratory
Jul 21, 2016
4 Resources
0 Stars
Publicly accessible

Utah FORGE: Optimization of a Plug-and-Perf Stimulation (Fervo Energy)

Information around the plug-and-perf treatment design at Utah FORGE by Fervo Energy. Objective and Purpose: Develop a multistage hydraulic stimulation approach designed specifically to target the top three factors that control the technical and commercial viability of an EGS sys...
Norbeck, J. et al Fervo Energy
Feb 08, 2023
3 Resources
0 Stars
Publicly accessible

Advanced TidGen Power System Material Characterization Program

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
2 Resources
0 Stars
Publicly accessible

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
Publicly accessible

Public Housing: A Tailored Approach to Energy Retrofits Raleigh

More than 1 million U.S. Department of Housing and Urban Development-supported public housing units provide rental housing for eligible low-income families across the country. These units range from scattered single-family houses to high-rise apartments. In this project, the Advan...
Dentz, J. et al The Levy Partnership, Inc Systems Building Research Alliance
Apr 27, 2016
7 Resources
0 Stars
Publicly accessible

Measure Guideline: Deep Energy Enclosure Retrofit for Interior Insulation of Masonry Walls and Flat Roofs

Measure Guideline: Deep Energy Enclosure Retrofit for Zero Energy Ready House Flat Roofs BSC TO5 Task 7.4 Deep Energy Enclosure Retrofit (DEER) for Interior Insulation of Masonry Walls Lawrence, MA 01840 This Measure Guideline describes a deep energy enclosure retrofit solution ...
Musunuru, S. et al Building Science Corporation
Apr 27, 2016
5 Resources
0 Stars
Publicly accessible

Analysis of Pre-Retrofit Building and Utility Data Southeast United States

TO4 9.1.2: Comm. Scale Military Housing Upgrades This project delves into the workflow and results of regression models on monthly and daily utility data (meter readings of electricity consumption), outlining a process for screening and gathering useful results from inverse model...
Beach, R. and Prahl, D. Ibacos Innovation
Apr 27, 2016
12 Resources
0 Stars
In curation

HydroAir Power Take Off Combined Design Report

The submission is the combined design report for the HydroAir Power Take Off (PTO). CAD drawings, circuit diagrams, design report, test plan, technical specifications and data sheets are included for the Main and auxiliary control cabinets and three-phase-synchronous-motor with a ...
Pearson, G. et al Dresser-Rand Company
Jun 26, 2015
15 Resources
0 Stars
Publicly accessible

Magnetotelluric Data Collected in 2016 over the San Emidio Geothermal Field in Nevada

This data set includes the magnetotelluric (MT) data collected from October 21 to November 9, 2016 over the San Emidio geothermal field in Nevada by Quantec Geoscience USA Inc. on behalf of US Geothermal Inc. as part of a project entitled "A Novel Approach to Map Permeability Usi...
Folsom, M. et al Ormat Technologies, Inc.
Nov 09, 2016
11 Resources
0 Stars
Publicly accessible

Reservoir Stimulation Optimization with Operational Monitoring for Creation of EGS

EGS field projects have not sustained production at rates greater than half of what is needed for economic viability. The primary limitation that makes commercial EGS infeasible is our current inability to cost-effectively create high-permeability reservoirs from impermeable, igne...
A., C. Pacific Northwest National Laboratory
Sep 25, 2013
19 Resources
0 Stars
Publicly accessible

INTEGRATE Inverse Network Transformations for Efficient Generation of Robust Airfoil and Turbine Enhancements

The INTEGRATE (Inverse Network Transformations for Efficient Generation of Robust Airfoil and Turbine Enhancements) project is developing a new inverse-design capability for the aerodynamic design of wind turbine rotors using invertible neural networks. This AI-based design techno...
Vijayakumar, G. et al National Renewable Energy Laboratory (NREL)
May 04, 2021
8 Resources
0 Stars
Publicly accessible
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