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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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This presentation covers the Oak Ridge National Laboratory (ORNL) Nuclear Criticality Safety Program (NCSP) fiscal year 2022 budget summary. This presentation includes charts and graphs on budget spending and spending details for the 2022 fiscal year.
Monthly summary of top achievements at Los Alamos National Laboratory in May 2023, including nuclear security; science, technology, and engineering; mission operations; and community relations.
Abstract not provided.
A monthly summary of top achievements at Los Alamos National Laboratory from June, 2023.
Abstract not provided.
Monthly summary of achievements from Los Alamos National Laboratory in July, 2023.
A monthly summary of top achievements for the month of September 2023 from Los Alamos National Laboratory, including Nuclear Security, Science, Technology and Engineering, Mission Operations, and Community Operations.
The slides include bullets and pictures for several engineering construction projects at LANL.
A monthly summary of top achievements from Los Alamos National Laboratory for the month of November, 2023.
A status and pictures of several engineering projects are provided.
The status and pictures of several construction engineering projects are shown.
These images show the strain states for a 50 nm ceramic particle impacting a ceramic substrate at 1200 m/s as a function of time.
Abstract not provided.
Predictions of heat load widths λ q based on particle orbits alone are very pessimistic. This paper shows that pedestal peeling-ballooning (P-B) MHD turbulence broadens the stable SOL by the transport, or spreading, of fluctuation energy from the pedestal. λ q is seen to increase with Γ ε , the fluctuation energy density flux. We elucidate the fundamental physics of the spreading process. Γ ε increases with pressure fluctuation correlation length. P-B turbulence is seen to be especially effective at spreading, on account of its large effective mixing length. Spreading is shown to be a multiscale process, which is enhanced by the synergy of large and small-scale modes.