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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 145 records · Page 8
All sourcesNASA NTRSDOE OSTI
DOE OSTI2015

Reliable LED Lighting Technologies: Key Factors and Procurement Guidance

Abstract— Lighting systems have the ability to transform the economic and educational infrastructure of disadvantaged communities, and eradicating “light poverty” has become one of the primary goals of the International Year of Light 2015. Solid-state lighting (SSL) technology, based on light-emitting diode (LED) light sources, has emerged as the next generation of lighting technology, with a current global market penetration of roughly 5%. This paper will report on recent research on understanding SSL lighting system reliability (failure modes, environmental stressors, electrical power quality); discuss the implications of SSL technology reliability for providing lighting services; and suggest practical approaches to ensure SSL reliability to benefit humanity. Among the key findings from this work is that LED sources can be extremely reliable, withstanding a broad range of environmental stresses without failure. Nonetheless, SSL lighting systems can have a negative impact on electrical power reliability, as well as on the affordability of lighting services, without attention to the quality of the accompanying power infrastructure. It is therefore critical to ensure that the performance of the power supply electronics used in lighting systems is matched to the quality of the power source, when evaluating energy efficient lighting choices.

Davis, Lynn↗
DOE OSTI2017

Procurement Specifications Templates for On-Site Solar Photovoltaic: For Use in Developing Federal Solicitations

With the increasing adaption of on-site renewable energy systems designed to feed site loads, there is a critical need to develop tools that allow the federal sector to become a mature and sophisticated consumer. This document is intended to reduce project development and operational risks while increasing the speed at which projects are completed; two necessary components to reach the scale required to meet mandates and achieve cost savings for taxpayers. This guide is intended to act as a living document where lessons learned from the increasing number of projects can be incorporated and provide guidance for efforts. While additional guides will be developed to cover other renewable technologies, this guide covers on-site solar photovoltaic systems with an emphasis on third-party designed, financed, owned, and operated systems.

14 SOLAR ENERGY↗
DOE OSTI2018

Lessons Learned Study from the NSLS-II Storage Ring Magnet Procurement

This document was compiled in response to the suggestion made by the DOE SC Review of the NSLS-II Project on April 2012, and reiterated at the Review in July, 2013. The main contributors to this document are the SR magnet team A and other in-house participants in the Workshop B referred to below that took place on April 11 th and 12 th 2012 at BNL. The contributions also came from some external participants, including representatives of some of the suppliers who attended the workshop. Manufacturing of the magnets for the NSLS-II storage ring (~850 units of 15 types) took approximately 6 years from the beginning of the conceptual design to completion of manufacturing in October of 2012. The production in the early years did not go smoothly, and a DOE Review Committee expressed concerns in November of 2010 about the potential of significant delays in magnet deliveries. In response, the project undertook three major mitigation steps: 1) enhanced oversight by assignment of one technical representative for each of the seven suppliers, 2) appointment of a senior BNL scientist as the manager of the SR magnet production, and 3) streamlining the decision-making process. These steps led to a successful completion of magnet production and delivery with almost all magnets meeting their stringent specifications.

42 ENGINEERING↗
DOE OSTI2019

Existing and Potential Corporate Off-Site Renewable Procurement in the Southeast

This project assesses the market for off-site PV in the Southeast, based on projected corporate load, corporate renewable goals for load in the Southeast, solar economics relative to utility rates, presence of a viable PV purchasing method, and other factors. This project gathered data directly and indirectly from corporations, high education institutions, and cities and counties with renewable energy targets. The result is a guide for utilities, state policymakers, and corporates trying to meet their corporate RE targets in the Southeast.

14 SOLAR ENERGY↗
DOE OSTI2019

First Annual Progress Report on the Procurement and Post-Irradiation Examination of the Selected Samples of Alloy 800H and Grade 92 and 91 Steels

Ferritic-martensitic steel Grade 92, with Grade 91 as a reference, together with austenitic stainless steel (or Incoloy Alloy) 800H and its grain-boundary-engineered version 800H-TMP (Thermo-Mechanical Processing), is investigated in this project. A total of fifteen Grade 92 samples from two or three heats, four T91 samples from two heats, and six 800H and six 800H-TMP samples from one heat were selected, which were primarily irradiated in the Advanced Test Reactor (ATR) of Idaho National Laboratory (INL), with the rest in the High Flux Isotope Reactor (HFIR) of Oak Ridge National Laboratory (ORNL), BOR-60 of Russia, and Phénix reactor of France. The samples were irradiated in the temperature range of 241 to 720°C and a dose range of 1.28 to ~70 displacements per atom. All the INL and ORNL samples and part of the LANL (Los Alamos National Laboratory) samples have been received at the Irradiated Materials Examination and Testing (IMET) hot cell facility. The selected ORNL samples include six Grade 92 and two 800H samples, which were irradiated in the HFIR to 0.46–14.66 dpa at 400 to ~720°C. The Grade 92 is an optimized heat and named as G92-2b. The two 800H samples have one sample as the standard solution-annealed condition and the other sample as a TMP condition with a maximized fraction of low-Σ coincidence site lattice (CSL) boundaries. Tensile test of the G92-2b samples were conducted at room temperature in the IMET hot cell. The lower temperature irradiation at 400–496.7°C to 0.52–14.66 dpa resulted in minimal changes in tensile properties. However, the higher temperature irradiation at ~683.3–720°C to 0.46–14.63 dpa tended to reduce yield and tensile strength by about –136 to –311 MPa and plastic elongation by –1 to –3% with the increasing dose. The 800H and 800H-TMP samples were tensile-tested at their irradiation temperature 580°C in the IMET hot cell, which showed >40% increase in yield and tensile strength with nearly 9% reduction in elongation for 800H-TMP compared with 800H. Three of the G92-2b samples, i.e., GB04 (7.44 dpa at ~490°C), GB05 (14.66 dpa at 496.7°C), and GB12 (14.63 dpa at ~720°C), were examined at the LAMDA for Vickers hardness measurements and microstructural characterization by SEM and TEM. Vickers hardness was successfully measured on GB12, which was reduced by is – (112.4 ± 12.3) HV1 from the control sample. However, the Vickers hardness measurements were failed on GB04 and GB05 because the samples were polished too thin to prevent the interference from the substrate (epoxy). The other half of the GB04 and GB05 will be polished for the hardness measurements, as well as nanoindentation studies. Fractography by SEM indicated increased numbers of ductile dimples (or voids) with the increasing irradiation dose, while significantly increased numbers and sizes of dimples with the increasing irradiation temperature. TEM characterization exhibited the presence of Cr 23 C 6 , VN, and Laves precipitates at boundaries and matrix, which showed pronounced precipitate-dislocation interactions (pinning effect). Dense dislocations but limited dislocation loops were observed in the samples, which noticeably reduced in GB12. Additionally, some tiny partially amorphized spherical domains were observed in GB12, which had a normal body-centered cubic lattice parameter of 9Cr steels at the surround regions but ~11% smaller than the lattice parameter of the matrix away from the amorphized spherical domains. Further characterization will be pursued to clarify the new findings.

22 GENERAL STUDIES OF NUCLEAR REACTORS↗
DOE OSTI2019

SPC-2734 Chromalox Oil Heater System Procurement Specification

This specification will supply the necessary technical information to the vendor to allow them to provide the system we need for the Thermal Energy Delivery System (TEDS) construction. TEDS is being constructed within the dynamic energy transport and integration laboratory (DETAIL) facility to test heat transfer components, distribution systems, instruments, and controls that can be monitored and controlled for hybrid generation of electrical power and/or non-electrical products. TEDS is designed to operate as a part of an integrated system or independently to demonstrate component operations, to develop and validate thermal energy transport models and control systems, and to study thermal energy inertia and storage. Within the integrated system, TEDS will be connected to the INL Real Time Digital Simulator (RTDS) test platform to develop and demonstrate monitoring and control systems and to investigate real-time, hardware-in-the-loop response characteristics relative to grid operations. As the basis of the TEDS, Chromalox (the vendor) has been chosen to design and supply a heater, pump, storage tanks, and pressure vessel due to their experience with industrial-scale heat transfer oil systems.

25 ENERGY STORAGE↗
DOE OSTI2022

IQPA P481-1 Quality Procurements [Slides]

The purpose of this training is to provide a comparison of concepts between what the previous policy (P840-1) stated, and what the new policy (P841-1), now stipulates. This training is intended to offer currently authorized personnel with the necessary information to transition to implementing the new processes and requirements for their positions. The included material will provide relevant descriptions of several of the key processes and tasks that personnel need to be familiar with to perform their duties.

96 KNOWLEDGE MANAGEMENT AND PRESERVATION↗
DOE OSTI2021

Planning, Procuring, & Constructing on-site PV [Slides]

A developer will install a renewable energy system on DOE property. In exchange, DOE agrees to purchase the power generated by the system. These power purchase payments repay the developer over the contract term. The developer owns, operates, and maintains the system for the life of the contract.

14 SOLAR ENERGY↗
DOE OSTI2023

Avoid Procuring or Storing 2-Propanol in Opaque White, Clear Containers

One of the most important responsibilities chemical owners at Los Alamos National Laboratory (LANL) have is to ensure the safety of the chemicals they own. An important consideration is how chemicals react to their environment. In the case of 2-propanol, a common solvent found in research laboratories used often in manufacturing and analytical processes, it can develop peroxides with exposure to light. 2-Propanol is classified as a Group B (class 3) peroxide-forming solvent. However, there is a dearth of literature that summarizes the risks surrounding peroxide formation in 2-propanol (IPA), leading to a lack of awareness of these hazards in the chemistry community.

37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CH↗
DOE OSTI2026

Surveillance LANL-ASMT-2026-0059 Procurement – NNSS Supplier Review

The Institutional Quality and Performance Assurance Division's Quality Support Services Group conducted a surveillance of IQPA-IQ Supplier Evaluation group's required assessments of suppliers providing items and services relevant to the Nevada National Security Site. Based upon records examined, the surveillance team has determined that all supplier evaluation/oversight requirements are being met, and no Findings or Opportunities for Improvement are noted.

12 MANAGEMENT OF RADIOACTIVE AND NON-RADIOACTIVE W↗
DOE OSTI2026

MARVEL Lessons Learned – 2026 Edition Fabrication, Fuel Procurement, Quality Assurance, and Safety Basis

The Microreactor Applications Research Validation and Evaluation (MARVEL) project is intended to be among the first U.S. advanced reactor demonstrations in four decades. By virtue of being sponsored directly by the U.S. Department of Energy (DOE), the reactor is expected to benefit the broader nuclear community by exercising design processes, safety reviews, and supply chains. This project is committed to publicly documenting key lessons learned along the way toward demonstration. Building on a 2025 report that focused on lessons learned from guard vessel fabrication and Primary Coolant Apparatus Test (PCAT) testing (Abou-Jaoude et al. 2025), this 2026 edition captures findings spanning structural fabrication, quality assurance (QA), reactivity control system (RCS) assembly, fuel fabrication and shipment, safety basis development, balance-of-plant design, and overall reactor design.

21 - SPECIFIC NUCLEAR REACTORS AND ASSOCIATED PLAN↗
DOE OSTI2026

E2C Cohorts: Overview of Project Procurement, Performance Monitoring, and O&M [Slides]

The Energy to Communities (E2C) peer-learning cohort program provides technical assistance to groups of 15 community entities around a common energy topic over the course of 6 months. Every month, participants join a virtual meeting where they hear from experts and exchange strategies and best practices with their peers. This cohort, "Successful Energy Project Implementation" will explore common challenges in implementing energy projects and learn strategies to turn project plans into reality. Each participant will focus on a local energy project or priority as a cornerstone for their learning throughout the series. This presentation is focused on project performance, monitoring, and O&M. This workshop is on May 27.

14 SOLAR ENERGY↗
NASA NTRS1966

Large seals fabricated from small segments reduce procurement lead time

Large diameter seals are fabricated from narrow strip stock welded in segments to form a complete ring. This technique could be used to reduce the cost of critical, large diameter seals in the heating and ventilating industry, petrochemical industry, and marine fabrication industry.

Daniels, C. M.↗