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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 901 records · Page 50
All sourcesNASA NTRSDOE OSTI
DOE OSTI2022

The Dynamic Co-Evolution of Space Policy and Technology: Historical Overview and Lessons for Assessing Future Trends [Slides]

The course goal is to provide participants with better understanding of the dynamic evolution between space policy, technology and world events in order to (1) anticipate the potential impacts of evolving space security policy on technical research and development needs for current and future space operations; (2) anticipate how technical research and development advancements might shape future directions and implementation of space security policy; and (3) develop more impactful research and development proposals and effective policy initiatives.

45 MILITARY TECHNOLOGY, WEAPONRY, AND NATIONAL DEF↗
DOE OSTI2023

RCT Continuing Training: Item Release and RAM Control [Slides]

Welcome to the online RCT Continuing Training. This quarter’s topic will review the fundamental elements of radioactive material control and releasing items from controlled areas to include: evaluation if an item may be released and the actions necessary to perform a release from a controlled area.

61 RADIATION PROTECTION AND DOSIMETRY↗
DOE OSTI2023

Finding of Adverse Effect and Proposed Mitigation for the Demolition of Building 23-530, Mercury, Area 23, Nevada National Security Site, Nye County, Nevada

The U.S. Department of Energy (DOE), National Nuclear Security Administration Nevada Field Office (NNSA/NFO) plans to demolish Building 23-530 in Mercury (Nevada State Historic Preservation Office [SHPO] Resource No. B15270), which is on the Nevada National Security Site (NNSS) in Nye County, Nevada. The purpose of the undertaking is related to the modernization of Mercury for future mission needs. The NNSA/NFO will implement this undertaking in accordance with the Programmatic Agreement Between the National Nuclear Security Administration Nevada Field Office and the Nevada State Historic Preservation Officer Regarding Modernization and Operational Maintenance of the Nevada National Security Site, at Mercury in Nye County, Nevada, hereafter referred to as the Mercury PA. Building 23-530, a dormitory called Freedom Hall, was constructed in Mercury in 1982 and served as a support facility for nuclear testing for the last decade of the Cold War. The town of Mercury and the immediate surrounding area have been determined eligible for listing in the National Register of Historic Places (NRHP) as the Mercury Historic District (MHD, SHPO Resource No. D230) under Criteria A and C for their importance in supporting nuclear testing and scientific research from 1951 through 1992 (Reed 2019). Building 23-530 was identified as a contributing element to the MHD in a 2018 architectural survey of the district (Reno et al. 2018) and recorded on a Nevada Architectural Resource Assessment (ARA) form (Reno et al. 2017). Building 23-530 was also identified in Appendix C of the Mercury PA as a Category II contributing element. Category II properties are those that have several representatives in the MHD but may possess different engineering or architectural characteristics that distinguish them from other classes of similar elements. Building 23-530 is a historic property for the purposes of compliance with Section 106 of the National Historic Preservation Act (NHPA) and subject to the stipulations of the Mercury PA. The purpose of this letter report is to submit documentation related to the mitigation of the demolition of Building 23-530 (Nevada State Historic Preservation Office [SHPO] Resource No. B15270) in the Mercury Historic District (MHD, SHPO Resource No. D230) at the Nevada National Security Site (NNSS) in Nye County, Nevada. The dormitory is considered contributing to the significance of the district both for its historic importance in relation to nuclear testing under Criterion A and as a part of the distinctive design and construction of the district under Criterion C. This submission is intended to comply with the stipulations in the Programmatic Agreement between the National Nuclear Security Administration Nevada Field Office and the Nevada State Historic Preservation Officer Regarding Modernization and Operational Maintenance of the Nevada National Security Site, at Mercury in Nye County, Nevada, hereafter referred to as the Mercury PA.

54 ENVIRONMENTAL SCIENCES↗
DOE OSTI2023

Finding of No Adverse Effect for the Façade Alteration of Building 23-117, Administration Building, Mercury, Area 23, Nevada National Security Site, Nye County, Nevada

The U.S. Department of Energy (DOE), National Nuclear Security Administration Nevada Field Office (NNSA/NFO) plans to update the façade of Building 23-117 in the town of Mercury (Nevada State Historic Preservation Office [SHPO] Resource No. B15256), which is on the Nevada National Security Site (NNSS) in Nye County, Nevada. The purpose of the undertaking is to incorporate Building 23-117 into the new Mercury campus in accordance with the master plan for the modernization of Mercury. The NNSA/NFO will implement this undertaking in accordance with the Programmatic Agreement between the National Nuclear Security Administration Nevada Field Office and the Nevada State Historic Preservation Officer Regarding Modernization and Operational Maintenance of the Nevada National Security Site, at Mercury in Nye County, Nevada, hereafter referred to as the Mercury PA. Building 23-117 was built in 1982 as the architect-engineer Administration Building1 for Holmes & Narver, a government contractor who helped design and engineer the town of Mercury and other areas on the NNSS from its inception until the termination of their contract in 1990. The building continued to be used by subsequent government contractors and is currently still in use by MSTS. The town of Mercury and the immediate surrounding area have been formally determined eligible for listing in the National Register of Historic Places (National Register, NRHP) as the Mercury Historic District (MHD, SHPO Resource No. D230) under Criteria A and C for its importance in supporting nuclear testing and scientific research from 1951 through 1992. Building 23-117 was identified as a contributing element to the MHD in a 2018 architectural survey of the district (Reno et al.) and recorded on a Nevada Architectural Resource Assessment (ARA) form (Reno et al. 2017). It is a historic property for the purposes of compliance with Section 106 of the National Historic Preservation Act (NHPA) and is subject to the stipulations of the Mercury PA. The NNSA/NFO requested that Desert Research Institute (DRI), cultural resource subject matter experts, analyze the effects of the proposed project on historic properties in the Area of Potential Effect (APE) and make a recommended finding for the undertaking in accordance with Section 106 of the NHPA and the Mercury PA. The purpose of this letter report is to submit documentation related to the mitigation of the façade alteration of Building 23-117 (Nevada State Historic Preservation Office [SHPO] Resource No. B15256) in the Mercury Historic District (MHD, SHPO Resource No. D230). This submission is intended to comply with the stipulations in the Programmatic Agreement between the National Nuclear Security Administration Nevada Field Office and the Nevada State Historic Preservation Officer Regarding Modernization and Operational Maintenance of the Nevada National Security Site at Mercury in Nye County, Nevada, hereafter referred to as the Mercury PA.

54 ENVIRONMENTAL SCIENCES↗
DOE OSTI2023

RCT Module 2.03: Counting Errors and Statistics [Slides]

This course will present an overview of measurement processes, and statistical evaluation of both measurements and equipment performance. In addition, this course will address some of the actions to take to minimize the sources of error in count room operations. This course will prepare the student with the skills necessary for RCT qualification.

61 RADIATION PROTECTION AND DOSIMETRY↗
DOE OSTI2023

RCT Module 2.09: Environmental Monitoring [Slides]

Environmental monitoring plays a large role in the field of radiological control. It is used to estimate human population doses, determine the impact a site has on the environment, monitor for unplanned releases as well as quantifying planned releases, and gives us useful data in determining pathway data. This course will prepare the student with the skills necessary for RCT qualification.

54 ENVIRONMENTAL SCIENCES↗
DOE OSTI2023

Notes by LANL scientists for science teacher professional development [Slides]

The notes presented in this presentation are an example of taking notes working at the computer while working with data files. The presenter helped collect the data in Antarctica, and they took notes while they collected the data. Later, to use the data once they were back home, the researcher spent many hours looking at the files on the computer to connect two types of data files: GPR and GPS.

58 GEOSCIENCES↗
DOE OSTI2023

NSRC makes vital vintage films accessible to today's weapons researchers

A few years ago, archivists at the Lab’s National Security Research Center (NSRC) rediscovered 65 special reels of nitrate motion picture film among the 20,000 film reels in the NSRC’s collections. Because nitrate film stock was discontinued in 1951, they realized that the films contained footage from the Lab’s earliest days of nuclear testing. However, nitrate film is highly toxic and flammable. Confirming this hunch would have to wait until the NSRC team devised a strategy for safely preserving and digitizing the reels. Now, after many months of planning and collaboration with LANL fire safety and industrial hygiene teams, the reels – which include footage from Operation Sandstone, Operation Ivy, and the Trinity test – have been digitized by the NSRC archivist team and are accessible to today’s researchers.

96 KNOWLEDGE MANAGEMENT AND PRESERVATION↗
DOE OSTI2022

Utilizing IBM Spectrum LSF Simulator to Understand the Impacts of Adding AI Workloads to Capability Supercomputing

Machine Learning and Artificial Intelligence has been identified as an emerging priority science area within the Department of Energy. Large scale accelerator based supercomputers like Summit, while traditionally employed for modeling and simulation, provide architectures that are suitable for accelerating the ML/AI workloads at scale. With the release of Summit in 2018, there was an increase in the number of ML/AI based projects seeking time on the machine. It quickly became apparent that the allocations and job runtimes for this workload deviated from traditional large scale modeling and simulation. Accommodating this new workload requires understanding the impacts to traditional large scale modeling and simulation.

96 KNOWLEDGE MANAGEMENT AND PRESERVATION↗
DOE OSTI2023

Blank Pages from Lab history: The Lavender Scare

In the wake of Soviet development of atomic weaponry and revelations about Soviet espionage during and immediately after World War II, the United States was caught up in a wave of anti-Communist hysteria – the “Red Scare” – that defined the early years of the Cold War. Between 1950 and 1954, the House of Representatives’ Un-American Affairs Committee, led by Senator Joseph McCarthy, launched thousands of “loyalty investigations” targeting individuals across government agencies, academia, and the Hollywood film industry (famous targets included Charlie Chaplin and Lucille Ball). Any behavior outside of societal norms was viewed as a potential sign of closet communism. Careers — and lives — were ruined as a result.

96 KNOWLEDGE MANAGEMENT AND PRESERVATION↗
DOE OSTI2023

Fission Product Mass Yields in Uranium-233 and Plutonium-239 from Fast-Neutron-Induced Fission

Precise knowledge of nuclear fission is a critical component for nuclear energy and stockpile stewardship research. Despite having been discovered over 80 years ago, fission is not fully described by a predictive theory, so thorough and accurate nuclear data libraries are necessary. These libraries provide information about the fission process in studied isotopes that is used in scientific and engineering models.

73 NUCLEAR PHYSICS AND RADIATION PHYSICS↗
DOE OSTI2023

Status of ANS-8 and TC85/SC5/WG8 NCS Consensus Standards [Slides]

This presentation covers ANS-8 and its status. The presentation starts with an introduction into ongoing projects. Including touching upon on ANS standard development steps and a status report. Finally, the lecture covers ISO WG8 Standards. with a special focus on recent ISO TC85/SC5 Plenary in Tsukuba, Japan and ISO development process + road map and a final status report.

96 KNOWLEDGE MANAGEMENT AND PRESERVATION↗
DOE OSTI2023

Sharing of Good Practices and Lessons Learned [Slides]

This presentation shares good practices and lessons that were learned. Particularly highlighted is the Learning from Experience Database (LFE). Provided are additional slides walking through a visual representation of this system.

96 KNOWLEDGE MANAGEMENT AND PRESERVATION↗