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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 OSTI2022

SARS-CoV-2 transmission control in California correctional facilities

LBNL provided technical assistance to the CalPROTECT project, which is a collaboration between the University of California, Berkeley and the University of California, San Francisco. The CalPORTECT team provided support and guidance to the California Department of Corrections and Rehabilitation (CDCR) and the California Correctional Health Care Services (CCHCS) in their response to the COVID-19 pandemic. The CalPROTECT team provided recommendations to mitigate the risk posed to the residents and staff who live and work in CDCR prisons through considering scientific knowledge of the virus, analyzing anonymized resident and staff level data from CCHCS, evaluation of statewide and institution-level policies, and data collection during site visits to CDCR prisons during the pandemic.

59 BASIC BIOLOGICAL SCIENCES↗
DOE OSTI2021

Tunnel magnetoresistance detection of skyrmions (Final Scientific/Technical Report for Magnon Current Transmission Through Insulators)

Micromagnetic simulations are used to investigate different strategies for tunnel magnetoresistance detection of the Néel skyrmion core direction and Bloch skyrmion chirality. When a Néel skyrmion passes beneath a perpendicularly magnetized dot separated by a tunnel barrier, a peak or dip in the tunnel magnetoresistance as a function of time shows a peak followed by a dip, or vice versa, depending on the chirality. The results are compared with existing detection methods based on the Hall resistance.

77 NANOSCIENCE AND NANOTECHNOLOGY↗
DOE OSTI2023

Sister Rod Destructive Examinations (FY22) Appendix C: Rod Internal Pressure, Void Volume, and Gas Transmission Tests

As a part of the DOE NE High Burnup Spent Fuel Data Project, Oak Ridge National Laboratory (ORNL) is performing destructive examinations (DEs) of high burnup (HBU) (>45 GWD/MTU) spent nuclear fuel (SNF) rods from the North Anna Nuclear Power Station operated by Dominion Energy [C-1]. The SNF rods, called the sister rods or sibling rods, are all HBU and include four different kinds of fuel rod cladding: standard Zircaloy-4 (Zirc-4), low-tin (LT) Zirc-4, ZIRLO, and M5. The DEs are being conducted to obtain a baseline of the HBU rod’s condition before dry storage and are focused on understanding overall SNF rod strength and durability. Both fuel rods and empty cladding will be tested to derive material properties. Although the data generated can be used for multiple purposes, one primary goal for obtaining the postirradiation examination data and the associated measured mechanical properties is to support SNF dry storage licensing and relicensing activities by (1) addressing identified knowledge gaps and (2) enhancing the technical basis for post-storage transportation, handling, and consolidation activities. This appendix documents the status of the ORNL Phase 1 DE activities [C-2, C-3] related to rod internal pressure and void volume measurement techniques, fission gas stack flow measurements applied to selected sister rods, and fission gas release calculations in Phase 1 of the sister rod test program.

11 NUCLEAR FUEL CYCLE AND FUEL MATERIALS↗