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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 883 records · Page 49
All sourcesNASA NTRSDOE OSTI
DOE OSTI2017

Funding Proposal for EDISON’20 Conference Buffalo, New York, 07/17 - 07/21, 2017

EDISON’20 – The 20th International Conference on Electron Dynamics in Semiconductors, Optoe- lectronics and Nanostructures – was held at the Hyatt Regency Hotel, Buffalo, NY from July 17 – 21, 2017. The technical focus of this conference was on the fundamental physics and applications of nonequilibrium classical and quantum carrier dynamics in semiconductors, optoelectronic de- vices, and nanostructures. This five-day, single-session conference featured a program consisting of some 15 invited talks, given by internationally-renowned academics from the U.S., Europe, and Japan. Their keynote presentations covered topics including: terahertz phenomena in semiconductors; quantum transport in novel two-dimensional semiconductors; topological insulators; mesoscopic phenomena in semiconductors, and; semiconductor spintronics. The invited papers were supplemented by some 30 contributed talks, selected from almost 120 abstracts submitted in response to the conference’s call for papers, and by two poster sessions that each consisted of close to 40 different reports. This critical mass in terms of scientific content ensured a highly vibrant conference, in which leaders in the field had the opportunity to interact closely with early-career scientists.

77 NANOSCIENCE AND NANOTECHNOLOGY↗
DOE OSTI2018

DHS S&T First Responders Group and NATO Counter UAS Proposal Interest Response.

The capability, speed, size, and widespread availability of small unmanned aerial systems (sUAS) makes them a serious security concern. The enabling technologies for sUAS are rapidly evolving and so too are the threats they pose to national security. Potential threat vehicles have a small cross-section, and are difficult to reliably detect using purely ground-based systems (e.g. radar or electro-optical) and challenging to target using conventional anti-aircraft defenses. Ground-based sensors are static and suffer from interference with the earth, vegetation and other man-made structures which obscure objects at low altitudes. Because of these challenges, sUAS pose a unique and rapidly evolving threat to national security.

98 NUCLEAR DISARMAMENT, SAFEGUARDS, AND PHYSICAL P↗
DOE OSTI2018

Evaluation of Immobilizing Secondary Waste from a Proposed Treatment Process for Hanford WTP LAW Melter Condensate

The off-gas system in the Low Activity Waste (LAW) vitrification facility at the Hanford Waste Treatment and Immobilization Plant (WTP) will generate an aqueous condensate recycle stream. Two unit operations generate this condensate, a Submerged Bed Scrubber and a Wet Electrostatic Precipitator (LAW SBSWESP condensate). The expected disposition of this stream during baseline operations is to send it to the WTP Pretreatment Facility, where it will be blended with LAW, concentrated by evaporation and recycled to the LAW vitrification facility again. The primary reason to recycle this stream is to immobilize the semivolatile 99 Tc isotope into the glass. During the Direct Feed Low Activity Waste (DFLAW) portion of the mission, the condensate is sent to the Effluent Management Facility (EMF) where it is evaporated then recycled to the LAW facility where the evaporated condensate is combined with the LAW feed from the pretreatment system.

12 MANAGEMENT OF RADIOACTIVE AND NON-RADIOACTIVE W↗
DOE OSTI2018

DOE OE Energy Storage Systems Safety Roadmap Focus on Proposed Changes to the ICC International Codes Special Briefing Paper — Unofficial Hearing Results April 2018

The goal of the DOE OE ESS Safety Roadmap1 is to foster confidence in the safety and reliability of energy storage systems (ESSs). Three interrelated objectives support the realization of that goal: research, codes and standards, and communication/coordination. The objective focused on codes and standards is - To apply research and development (R&D) to support efforts that are focused on ensuring that codes and standards are available to enable the safe implementation of ESSs in a comprehensive, non-discriminatory and science-based manner. The purpose of this special briefing paper is to support the above objective by providing information about current and upcoming efforts being conducted by U.S. standards developing organizations, specifically code changes associated with the 2018 Group A International Codes (I-Codes) of the International Code Council (ICC) that are relevant to ESSs.

25 ENERGY STORAGE↗
DOE OSTI2018

Los Alamos National Laboratory Request for Proposals Investment Mentor Participation in UC/LANL Postdoc Entrepreneurship Fellowship Pilot Program

The scope and practical elements of this Pilot are explicitly narrow to allow all parties (LANS, UC, our investment partners, and the Postdoc Fellows) to operate in an unconstrained setting. Given LANL’s unique role as an FFRDC, care will be exercised to balance speed, flexibility, and broad exposure within the Pilot, with the challenges and complexities of a full and unconstrained entrepreneurial effort. In seeking this balance, LANS is committed to operating within certain limits that define this second year of the Pilot, and which will guide learning toward the program beyond the two-year pilot.

99 GENERAL AND MISCELLANEOUS↗
DOE OSTI2018

A thought experiment to evaluate a proposed data analysis method

A statistical analysis was recently presented at a DOE review in reference to a particular problem. Here we attempt to capture the essence of this problem with a simple “toy” analog and demonstrate the incorrectness of the presented J figure of merit algorithm. We show that the incorrect usage of J gives PDFs that have erroneous long tails and significantly overestimate the rms deviations relative to those obtained by exact analytic methods. Conversely, a numerical Bayesian analysis gives the correct result.

97 MATHEMATICS AND COMPUTING↗
DOE OSTI2018

Natural Resource Assessment for the Proposed Environmental Management Disposal Facility (EMDF), Oak Ridge, Tennessee

A major contributor to the success of decommissioning, demolition, and remediation activities at the East Tennessee Technology Park by the U.S. Department of Energy (DOE) Oak Ridge Office of Environmental Management (OREM) has been the availability of an onsite Low-Level Waste (LLW) landfill. However, the existing LLW landfill is near capacity, with cleanup of excess facilities at the Y-12 National Security Complex (Y-12) and Oak Ridge National Laboratory (ORNL) pending. Timely provision of additional disposal capacity on the Oak Ridge Reservation (ORR) is required to remedy the threats to human health and the environment.

12 MANAGEMENT OF RADIOACTIVE AND NON-RADIOACTIVE W↗
DOE OSTI2016

Proposed Disposition of Large-Scale Artifacts Associated with Idaho National Laboratory's Nuclear Reactor Testing Historic Context

As an active scientific and engineering laboratory with a historic mission of testing and development of nuclear power, INL presents unique challenges to historic preservation. These challenges include radiologically contaminated buildings and equipment, security restrictions, and the nearly constant modification, demolition, and replacement of structures and equipment to meet changing programmatic and mission needs. Because of these challenges, what began in 1966 as a building-by-building approach to historic preservation of the INL built environment has evolved into a more holistic management strategy and systematic procedures for identifying, evaluating, and protecting important properties within a historic contextual framework. The development of contexts, identification of historic themes, and inventories of historic INL architectural properties have been expanded following the strategies and procedures outlined within the INL Cultural Resource Management Plan (CRMP). Inventories are ongoing to catalog other important INL architectural properties that may or may not be eligible to the National Register of Historic Places (NRHP), such as nuclear-era artifacts, and photographic and engineering collections.

99 GENERAL AND MISCELLANEOUS↗
DOE OSTI2018

SE 296 Capstone Project Proposal for Katelyn Yeamans UCSD Fall 2018

This project shall be a comprehensive evaluation in the changes in the physical attributes of PETN pellets when stored for prolonged periods under typical storage conditions. The scope of this project is intended to meet the Capstone Project requirements of the UCSD Structural Engineering Master’s Degree and provide useful insight for pellet production and processing. The intended result is a summary report and an accompanying MATLAB program file. The duration of this investigation is not to exceed twelve weeks. If the project cannot be completed within the given time frame,report documentation shall consist of progress-to-date and recommended future work summary and a to a progress-to-date version of the MATLAB file.

36 MATERIALS SCIENCE↗
DOE OSTI2018

Remote Sensing System (Engineering Change Proposal (ECP) 2)

The primary technical objective of this CRADA was for Sandia National Laboratories (SNL) and Northrop Grumman Systems Corporation, acting through Northrop Grumman Aerospace Systems (NGAS), to collaborate, as needed, to inform a Remote Sensing System (RSS) development, led by the NGAS CRADA partner, through its System Design Review (SDR) and subsequent Program Design Review (PDR) milestones. More specifically, tasks and deliverables involved SNL and NGAS collaborating in seven broad areas: System Engineering, System Modeling and Simulation, System and Component Design, Assessment and Implementation, System Integration and Testing, Data Path Design and Engineering and Collection Segment Processing Engineering and Implementation. The collaboration between SNL and NGAS has resulted in a benefit to both organizations, and the public/taxpayers, by ensuring that legacy knowledge is not lost to future developments and will be incorporated into ongoing and future U.S. sensor systems.

47 OTHER INSTRUMENTATION↗
DOE OSTI2018

NSLS-II upgrade proposal with splitting dipole scheme

In this note, a preliminary study of the NSLS-II upgrade lattice with splitting-dipole scheme is presented. The constraints from maintaining the layout of the ring and re-using the existing magnets have been illustrated. The linear and nonlinear beam dynamics are discussed as well.

36 MATERIALS SCIENCE↗
DOE OSTI2017

Proposed Methodology for a Tour-Based Freight Model

This study is part of the US Department of Energy’s Systems and Modeling for Accelerated Research in Transportation (SMART) Mobility initiative. It is included in the Multi-Modal pillar of SMART Mobility and is titled: Optimization of Intra-City Freight Movement and New Delivery Methods. The primary purpose of this study is to analyze the energy reduction opportunities provided by new freight modes and technologies. This will be done by developing a tour-based freight model for Columbus, Ohio. This model will be used to analyze the energy and emission savings of alternative technologies including drones, central delivery lockers, and the use of electric vehicles for last-mile freight deliveries. The tour-based model will also be used to examine the growth and distribution of freight traffic and its impacts on the local transportation system. Development of this model will be coordinated with the Mid-Ohio Regional Planning Commission (MORPC), the Metropolitan Planning Organization (MPO) for the Columbus, Ohio area.

32 ENERGY CONSERVATION, CONSUMPTION, AND UTILIZATI↗
DOE OSTI2019

University of Tennessee, Knoxville (UTK) contribution to: Deciphering the role of mixed-material deposition and temperature on lithium-coated PFCs in NSTX-U high-performance plasmas: Collaborative UIUC & UTK Proposal (Final Report)

This report describes the final product of model development to decipher the role of mixed material deposition and temperature on lithium-coated PFCs in NSTX-U. The computational modeling approach used to address these specific questions involved a pragmatic multiscale materials modeling framework, with the use of reaction-diffusion based continuum simulations, through modifications to the SDTrimSP code. This pragmatic modeling was supplemented with a few, select parametric ab-initio and molecular dynamics simulations, to investigate the effect of lithium and mixed lithium-carbon-refractory metal chemistry and surface morphology and chemistry on erosion yields and deuterium uptake, including the role of temperature and boronization. The main progress of the project was to develop the major framework and structure of the model, although validated application of the model was limited as a result of the unplanned shutdown and outage of NSTX-U.

70 PLASMA PHYSICS AND FUSION TECHNOLOGY↗
DOE OSTI2019

AFIT and LANL Collaboration Research Proposals [Slides]

MCNP is a general-purpose, continuous-energy, generalized-geometry, time-dependent, Monte Carlo radiation-transport code designed to track many particle types over broad ranges of energies. MCNP has the capability to track particles on unstructured polyhedral meshes that are embedded into the legacy constructive solid geometry (CSG).

73 NUCLEAR PHYSICS AND RADIATION PHYSICS↗