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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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Stress Corrosion Cracking of Austenitic Stainless Steels in Concentrated Chloride Environments.
Abstract not provided.
Sensitivity Analysis of Air/Carbon Finite-Rate Surface Ablation Models.
Abstract not provided.
A Data Management Infrastructure for Multi-Lab Geoscience Projects .
Abstract not provided.
Data-Driven Model-Form Uncertainty with Bayesian Statistics and Neural Differential Equations.
Abstract not provided.
Insights from X-ray computed tomography into the effects of pit morphology evolution on pit growth.
Abstract not provided.
Mixed Precision s-step Conjugate Gradient with Residual Replacements on GPUs.
Abstract not provided.
Evaluating Corrosion Properties and Controlling Factors in Emergent Materials.
Abstract not provided.
Real-time latent heat emission during dynamic-compression freezing of water.
Abstract not provided.
Towards Understanding the Controlling Nature of Crack Tip Chemistry on the Stress Corrosion Cracking of Austenitic Stainless Steels.
Abstract not provided.
Towards Understanding the Controlling Nature of Crack Tip Chemistry on the Stress Corrosion Cracking of Austenitic Stainless Steels.
Abstract not provided.
Data-Driven Model-Form Uncertainty with Bayesian Statistics and Neural Differential Equations.
Abstract not provided.
Transfer Learning of Gaussian Processes to Capture Unmodeled Physics.
Abstract not provided.
Update of the Cesium-136 Cumulative Fission Yields at Multiple Neutron Energies
Nuclear data is foundational to several fields, including nuclear forensics. Nuclear forensics investigations of fission events, relies heavily on the cumulative fission yields, however several highly useful fission products suffer from very poor nuclear data including cumulative fission yields or associated uncertainties in that value. Cesium-136 is a highly relevant example of this issue, where the cumulative fission yield may be accurate but its uncertainty high enough to preclude its usefulness. In this work we evaluate and calculate an updated cumulative fission yield for 136 Cs for 235 U, 238 U, and 239 Pu at multiple neutron energies or sources using data obtained from irradiation campaigns. In all cases these newly determined cumulative fission yields provided small changes to the actual fission yields but had dramatic improvements to the uncertainty in those yields. These improvements in uncertainty will enable nuclear forensics end users to use 136 Cs data with more confidence.
Transfer learning of Gaussian processes to capture unmodeled physics: application to control of nonlinear dynamical systems.
Abstract not provided.
Analysis of Pitting Corrosion on Wrought and Additively Manufactured 316L Stainless Steel.
Abstract not provided.