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Search indexed NASA NTRS and DOE OSTI research on propulsion, heat transfer, battery materials and energy systems. Follow report and document links to the original sources.

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At least 415 records · Page 23

openECA Detailed Design Document

This document describes the functional and non-functional requirements for: The openECA platform The included analytic systems that will: Validate the operational readiness and performance of the openECA platform Provide out-of-box value to those that implement the openECA platform with an initial collection of analytics

24 POWER TRANSMISSION AND DISTRIBUTION↗

Visual Detection with Context for Document Layout Analysis

We present 1) a work in progress method to visually segment key regions of scientific articles using an object detection technique augmented with contextual features, and 2) a novel dataset of region-labeled articles. A continuing challenge in scientific literature mining is the difficulty of consistently extracting high-quality text from formatted PDFs. To address this, we adapt the object-detection technique Faster R-CNN for document layout detection, and incorporate contextual information that leverages the inherently localized nature of article contents to improve the region detection performance. Due to the limited availability of region-labels for scientific articles, we also contribute a novel dataset of region annotations, the first version of which covers 9 region classes and 822 article pages. Initial experimental results demonstrate a 23.9% absolute improvement in mean average precision over the baseline by incorporating contextual features, and a processing speed 14x faster than a text-based technique. Ongoing work on further improvements is also discussed.

97 MATHEMATICS AND COMPUTING↗

AGR-5/6/7 Fuel Fabrication, Process Documentation, and Disposition Planning

The need for U. S. energy self-sufficiency dictates the development of new low-cost, environmentally-safe forms of energy generation, hydrogen production and industrial heat systems using high temperature gas-cooled reactor (HTGR) technology. Efficient fabrication of ultra-high quality, coated particle fuel is a central requirement for implementing gas reactor technology. Babcock & Wilcox Nuclear Operations Group-Lynchburg (B&W NOG-L) is uniquely qualified in the U.S. with the institutional knowledge, access to equipment, and a Nuclear Regulatory Commission (NRC) license to produce tristructural isotropic (TRISO) coated particle nuclear fuel above 5 wt% 235U. This Statement of Work (SOW) defines the Subcontractor, B&W NOG-L and identifies the work scope to perform Advanced Gas Reactor (AGR)-5/6/7 fuel fabrication, process documentation, and material disposition planning.

11 NUCLEAR FUEL CYCLE AND FUEL MATERIALS↗

AGR-5/6/7 Fuel Fabrication, Process Documentation, and Disposition

The need for U. S. energy self-sufficiency dictates the development of new low-cost, environmentally-safe forms of energy generation, hydrogen production and industrial heat systems using high temperature gas-cooled reactor (HTGR) technology. Efficient fabrication of ultra-high quality, coated particle fuel is a central requirement for implementing gas reactor technology. Babcock & Wilcox Nuclear Operations Group-Lynchburg (B&W NOG-L) is uniquely qualified in the U.S. with the institutional knowledge, access to equipment, and a Nuclear Regulatory Commission (NRC) license to produce tristructural isotropic (TRISO) coated particle nuclear fuel above 5 wt% 235U. This Statement of Work (SOW) defines the Subcontractor, B&W NOG-L and identifies the work scope to perform Advanced Gas Reactor (AGR)-5/6/7 fuel fabrication, process documentation, and material disposition planning.

11 NUCLEAR FUEL CYCLE AND FUEL MATERIALS↗

Exploring Legacy Document Management Systems to Increase Access to Project Data

The current Electronic Data Management System (EDMS) makes it difficult to efficiently access information in critical time frames. This project explored ways to allow Environmental Support and Services staff the ability to efficiently access documents with necessary historic information while leveraging existing data classification methods and the capabilities of EDMS.

99 GENERAL AND MISCELLANEOUS↗

NAATBatt North American Lithium-Ion Battery Supply Chain Database Documentation and User Guide

NAATBatt International funded NREL to develop a database of companies that supply goods, equipment, and services used to manufacture or recycle high voltage lithium-ion battery packs and cells in North America under a Technical Services Agreement (TSA-21-17854) with NREL. The database is in Excel and accompanied PPT file summarizes this work and document the use guide in a PPT file.

anode↗

Differing Approaches to the Same Destination: SRS vs. Hanford Transportation Safety Document and Onsite Transportation Program - 17142

The United States Department of Energy, DOE Order 460.1C establishes packaging and transportation requirements to ensure the safety of DOE shipments of hazardous material. In accordance with DOE Order 460.1C, there are two general ways that radioactive material can be transferred if remaining within the boundary of a DOE site (i.e., onsite): 1) Packages can be transferred fully compliant with U. S. Department of Transportation (DOT) requirements; or 2) Packages can be transferred under an appropriately approved site-specific Transportation Safety Document (TSD) DOE G 460.1-1 - The Implementation Guide for Use with DOE Order 460.1A Packaging and Transportation Safety specifies the required format, content, and approval process for TSDs, but also allows great flexibility. Although developed using the same guidance, both the Savannah River Site and Hanford Site TSD programs were developed largely independent of each other. This paper compares both programs. Although at first glance the approaches seem dauntingly different, both result in surprisingly similar equivalent safety. (authors)

12 MANAGEMENT OF RADIOACTIVE AND NON-RADIOACTIVE W↗

Dose Consequence and Probabilistic Risk Assessment Integration into Digital Documented Safety Analysis

This is an intern poster presentation. The current reactor authorization process is complex and error prone. The development of a digital Documented Safety Analysis has been proposed to provide an automated and integrated solution to enhance the design and authorization process. The digital DSA will consist of interlinked models, analyses, and reports, all of which will be updated using automated workflows when design changes are made. This poster examines the integration of the probabilistic risk assessment (PRA) with the transient and dose consequence analyses. A PRA for a generic high temperature gas-cooled reactor (HTGR) has been constructed which will drive the input parameters for a transient analysis model currently being constructed. Dose consequence will be determined using the results of the transient analysis and the Radiation Safety Analysis Computer (RSAC) code. Dose consequence data will then be input back into the PRA to drive design parameters.

42 ENGINEERING↗

SULI Project Report: Mu2e otsdaq Documentation and Analytics

This report outlines the history of the CLFV puzzle, gives an overview of the Mu2e Experiment, and details the results of the DOE (Department of Energy)-funded SULI (Science Undergraduate Laboratory Internship) research completed over the summer 2024 on site at Fermilab. The project focused on the otsdaq software responsible for data acquisition. The project included drafting updated documentation for new users, including new procedures relevant for the Alma- Linux 9 operating system update, and the UPS package managing system replacement with Spack (scientific software package manager). A new art module (ReadTriggerCounts) to track trigger rates was created, with compatibility to be displayed via a Grafana server. The author also assisted in calorimeter cable installation in the detector hall.

Saarinen, Talia↗

Example Alternative Compliance Waiver Application: EPAct State and Alternative Provider Fleet Program Guidance Document

The U.S. Department of Energy developed an electronic planning spreadsheet to facilitate fleets' preparation of a complete Alternative Compliance (AC) waiver application. All fleets that participate in AC are encouraged to use the spreadsheet. The example in this guidance document includes all components that must be included in a fleet’s AC waiver application.

AC waiver↗

CCPDVANALYSIS Documentation

This document contains all relevant code and descriptions of working components of CCPDVANALYSIS software toolkit.

97 MATHEMATICS AND COMPUTING↗

SG50 Data-format Specifications Document for the Automatically Readable, Comprehensive, and Curated Experimental Reaction Database MEDUSAL

The aim of this document is to lay out a first draft of the specifications for the MEDUSAL database (Machine-readable Experimental Data User App & Library) that is being described by OECD/NEA/WPEC SG-50. The EXFOR database (Otuka et al., 2014) has a format that is based on code-value pairs, and a significant portion of the information in the EXFOR entry is contained in free text sections. Several high-level requirements for the MEDUSAL database, as laid out in the Use Cases and Requirements Working Paper (citation), relate to the definition of the specifications

Nuclear Criticality Safety Program (NCSP)↗

SG50 Data-format Requirement Document for an Automatically Readable, Comprehensive and Curated Experimental Reaction Database MEDUSA

This report constitutes the requirement document that guides the development of the experimental reaction database, MEDUSAL (Machine-readable Experimental Data User App & Library), created by OECD/NEA/WPEC SubGroup 50. Experimental reaction data are usually stored in the EXFOR library in EXFOR format. With MEDUSAL, the WPEC sub-group 50 wants to go beyond the EXFOR format and database to generate a library that is (a) automatically readable, (b) comprehensive, and (c) curated.

Nuclear Criticality Safety Program (NCSP)↗

The Department of Energy and IDEA team up to document industry best practices

This article describes a collaboration between the U.S. Department of Energy and the International District Energy Association (IDEA) to document best practices in district energy systems. The initiative focuses on analyzing real-world performance data and highlighting effective strategies for improving efficiency, integrating renewable energy, and supporting decarbonization efforts. It highlights case studies from the University of California, Davis, and Princeton University to show how long-term master planning, phased project implementation, and strong financial analysis can drive successful transitions to more sustainable energy systems. U.C. Davis emphasizes incremental, results-driven planning and pilot projects, while Princeton focuses on aligning climate goals with financially viable infrastructure investments and life-cycle cost analysis. Overall, the article demonstrates that combining strategic planning, data-driven decision-making, and financial accountability is essential for advancing sustainable district energy systems.

96 KNOWLEDGE MANAGEMENT AND PRESERVATION↗

Strategy Guideline: Advanced Construction Documentation Recommendations for High Performance Homes

As whole house energy efficiency increases, new materials and new systems require greater coordination and communication between industry stakeholders. This report presents four changes that are recommended to achieve improvements in energy efficiency, durability and health in Building America houses: create coordination drawings, improve specifications, improve detail drawings, and review drawings and prepare a Quality Control Plan.

32 ENERGY CONSERVATION, CONSUMPTION, AND UTILIZATI↗

Strategic environmental assessment in tourism planning - Extent of application and quality of documentation

Strategic environmental assessment (SEA) has been applied throughout the world in different sectors and in various ways. This paper reports on results of a PhD research on SEA applied to tourism development planning, reflecting the situation in mid-2010. First, the extent of tourism specific SEA application world-wide is established. Then, based on a review of the quality of 10 selected SEA reports, good practice, as well as challenges, trends and opportunities for tourism specific SEA are identified. Shortcomings of SEA in tourism planning are established and implications for future research are outlined. - Highlights: Black-Right-Pointing-Pointer The extent of tourism specific SEA practice is identified. Black-Right-Pointing-Pointer Selected SEA/Tourism reports are evaluated. Black-Right-Pointing-Pointer SEA application to tourism planning is still limited. Black-Right-Pointing-Pointer A number of shortcomings can be pointed out.

54 ENVIRONMENTAL SCIENCES↗

Distributed Generation Market Demand Model (dGen): Documentation

The Distributed Generation Market Demand model (dGen) is a geospatially rich, bottom-up, market-penetration model that simulates the potential adoption of distributed energy resources (DERs) for residential, commercial, and industrial entities in the continental United States through 2050. The National Renewable Energy Laboratory (NREL) developed dGen to analyze the key factors that will affect future market demand for distributed solar, wind, storage, and other DER technologies in the United States. The new model builds off, extends, and replaces NREL's SolarDS model (Denholm et al. 2009a), which simulates the market penetration of distributed PV only. Unlike the SolarDS model, dGen can model various DER technologies under one platform--it currently can simulate the adoption of distributed solar (the dSolar module) and distributed wind (the dWind module) and link with the ReEDS capacity expansion model (Appendix C). The underlying algorithms and datasets in dGen, which improve the representation of customer decision making as well as the spatial resolution of analyses (Figure ES-1), also are improvements over SolarDS.

17 WIND ENERGY↗