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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 1,225 records · Page 68
All sourcesNASA NTRSDOE OSTI
DOE OSTI2021

Wilderness Survival [Slides]

Statistically, each of us will be directly involved in a potentially life threatening/survival situation. How we choose to react to the situation will potentially have a direct outcome on the safety and wellbeing of our loved ones or those around us at that given moment in time. After explaining the physiological processes your brain and body undergo during an emergency, this presentation reviews basic wilderness survival skills.

96 KNOWLEDGE MANAGEMENT AND PRESERVATION↗
DOE OSTI2021

National Security Research Center

Born out of a need to make LANL Weapons Program archival material available to scientists and engineers. Material is the result of decades of consolidation of mini-libraries and mini archives at LANL. Latest consolidation brought together LANL’s digital archives and physical archives. Houses 75+ years of nuclear weapons research, designs, procedures, videos, photos, and other reports.

96 KNOWLEDGE MANAGEMENT AND PRESERVATION↗
DOE OSTI2021

RAVIS: Resource Forecast and Ramp Visualization for Situational Awareness - An Introduction to the Open-Source Tool and Use Cases

The Resource Forecast and Ramp Visualization for Situational Awareness (RAVIS) is an open-source tool for visualizing variable renewable resource forecasts and ramp alerts for significant up/down ramps in renewable resource and the consequent net-load. The modular dashboard of RAVIS contains configurable panes for viewing- probabilistic time series forecasts, ramp event alerts on the look-ahead timeline, spatially resolved resource sites and forecasts, and system simulation and market clearing data such as transmission lines utilization, nodal prices and available generation flexibility. RAVIS uses a technology suite that is assembled to provide optimum visualization facility while maintaining a wide pool of potential deployment and client environments. The tool is designed to take advantage of web application technologies, open source visualization libraries and tooling. Utilizing this technology will enable deployment in any environment, using any operating system, and is scalable to much higher spatial and temporal scales of visualization. As a prototype of the tool and demonstrating a use case of variable renewable integration, RAVIS currently integrates site-specific solar power forecasts in the California Independent System Operator (CAISO) and Mid-continent ISO (MISO) footprint from the IBM WattSun forecasting platform, and also superimposes market simulation data for CAISO footprint from as in-house NREL market clearing tool. The tool has the ability to alert the viewer for excessive up or down ramps for both individual solar sites as well as regionally aggregated net-load ramps, and alerts can also be qualified with respect to available flexible generation. This report will provide an introduction to the RAVIS tool, and summarize the above mentioned capabilities, typical use cases and possible extensions of the tool. The RAVIS development team believes there are likely to be high economic and reliability benefits of integrating probabilistic forecasts of variable renewables into control center visualizations and improved ramp events situational awareness for system operators and forecasting teams in the ISOs and electric utilities in comparison with their business as usual practices.

96 KNOWLEDGE MANAGEMENT AND PRESERVATION↗
DOE OSTI2021

LANL Charging Practices Course Number 18930

Because numerous federal agencies and outside organizations provide funding for hundreds of projects and programs, Los Alamos National Laboratory's system for charging for time and effort, and the purchase of materials, supplies, and services, is complex. As a LANL employee, you are responsible, both legally and ethically, for knowing and consistently following charging practice rules, complying with Laboratory financial policies, and understanding the consequences of improper charging. This course is designed to increase your understanding of an employee's responsibilities regarding charging practices at the Laboratory and help you charge time and labor and non-labor costs accurately. The training is required of all Laboratory workers except craft labor, who have separate training that is specific to how their effort is charged and collected. This training should take less than 20 minutes to complete.

96 KNOWLEDGE MANAGEMENT AND PRESERVATION↗
DOE OSTI2021

Classified library celebrates two-year anniversary print your own commemorative history posters

Today is the National Security Research Center’s second anniversary. These two years, though, have been eight decades in the making, said NSRC Director Riz Ali. “We opened our doors in 2019, but the Center’s beginnings date back to World War II when J. Robert Oppenheimer created the Lab in Los Alamos to develop the first-ever nuclear weapons,” Ali said. “An important part of opening the Lab included standing up a technical reports library. Since then, we have amassed millions of holdings and today we are one of the top research institutions in the country.” What had long-been a repository of classified archival materials is today a dynamic, vibrant library that outsizes the collections of other similar research libraries around the country. Today, the NSRC houses the Laboratory’s classified nuclear weapons research, data and reports, as well as unclassified historical artifacts – the stories, photos, films and more from the people who have been a part of the Lab from the start.

96 KNOWLEDGE MANAGEMENT AND PRESERVATION↗
DOE OSTI2021

Betty Perkins: A giant in nuclear weapons research Reports amassed after testing ban are vital to today’s work

Today’s nuclear weapons research builds upon the work of the past, often on the shoulders of the giants of nuclear document preservation in the absence of testing. One of these giants is weapons historian Betty Perkins. Before her retirement in 2016, Perkins held numerous roles at LANL, but she is best known for her pioneering work in the Weapons Program where she generated classified reports on nuclear weapons design and development. Over many years, she meticulously researched and recorded the histories of a number of critical efforts in Los Alamos’s nuclear weapons program, culminating in 13 reports comprising more than 7,200 pages.

45 MILITARY TECHNOLOGY, WEAPONRY, AND NATIONAL DEF↗
DOE OSTI2021

NET Building Overview

This video is a brief overview of the new NET Building that ORI-1 will be using to train new hires to meet mission essential milestones.

96 KNOWLEDGE MANAGEMENT AND PRESERVATION↗
DOE OSTI2018

Argonne Reactor Code Software Verification and Validation Plan for the Versatile Test Reactor

This Argonne Reactor Code (ARC) software has taken a pivotal role in the design work of the Versatile Test Reactor. The ARC software itself consists of several independent or semiindependent pieces of software that are used in concert to carry out specific analysis and design objectives. In this report, we discuss the validation that is needed for the ARC software overall and discuss available, usable experimental data and how it relates to the VTR project. We also discuss the verification that is required for the ARC software with respect to its usage in the VTR project and give some concrete examples as to what it must accomplish. A list of goals for the verification and validation work are presented as the general procedure that will be implemented for every individual piece of software in ARC. The ARC software has been continuously developed for over 50 years and many of the features used for the VTR project have thus been rigorously tested for accuracy during that timeframe. The ARC software is presently under source code control and undergoes nightly regression testing of not only the individual pieces, but the interconnected aspects that are common to most analysis projects. Its greatest weakness, from a software verification and validation perspective, is both a lack of documentation and outdated documentation. As an example, much of the previous validation work will require contemporary effort to re-evaluate given the updated base data libraries and modifications to the software that have occurred since. This requires new documentation to be produced to support the usage of the software in the VTR project. The bulk of the ARC software is focused on steady state neutronics and TH behavior of a reactor system. In this regard, we have identified the ZPPR, FFTF, and EBR-II programs as the best candidates for sources of validation data for the VTR project. The ZPPR-15 series in the ZPPR program was chosen as it is the best representation of the VTR fuel form and reactor core layout of all of the ZPPR measurements. Additional support for it comes from the fact that most of the data has already been processed into usable ARC models for VTR validation. The FFTF and EBR-II reactors were both functional reactors that provide reactor scale measurements. FFTF is clearly a closer match to VTR and its startup measurements would be a very valuable validation basis. EBR-II has invaluable burnup related measurements that will play a key role in the ARC software validation work. Each piece of ARC software will require a report detailing the software verification. The validation work will be logically split into the results of modeling each identified experimental resource (ZPPR, EBR-II, FFTF). The intended timeline for the VTR project is to have the ARC software verified and validated by the end of fiscal year 2020. This is incumbent on sufficient funding allocated to V&V activities and no change in programmatic priorities.

21 SPECIFIC NUCLEAR REACTORS AND ASSOCIATED PLANTS↗