Effects of Temperature, Pressure, and Particle Size on the Porosity and Gas Adsorption of Type 3 Porous Liquids
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Hurlock, Matthew↗
SEARCH · Engineering Papers
Results for “POROSITY”
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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Development of a Machine Learned Model for Room Porosity
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Reedlunn, Benjamin↗
Upscaling of permeability and porosity evolution through pore scale reactive transport modeling
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Yoon, Hongkyu↗
High-Throughput Characterization Tools/Algorithms To Outline Porosity Variability in AM Samples as a Function of Processing Conditions
This report documents the development and deployment of advanced algorithms and tools that enable high-throughput characterization for metal additive manufacturing (AM), with a particular focus on process parameter optimization and material/part qualification for nuclear applications. While the method ologies presented support diverse characterization techniques, the majority of the work is centered on AI-driven algorithms for X-ray computed tomography (XCT) to accelerate defect detection and materials analysis at scale.
36 MATERIALS SCIENCE↗
Understanding the Influence of Porosity, Surface Roughness, and Stress Concentration on Failure in AM Aluminum
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Ivanoff, Thomas [Sandia National Laboratories (SNL↗
Effects of Porosity in Meteorite Materials: Hydrodynamics Code Simulations of Gas Gun Shock-Wave Experiments
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Mans, Wade [University of New Mexico]↗
A workflow for simulating variability in strength and ductile fracture of laser-welded materials with porosity defects using non-local damage and adaptive remeshing
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Phung, Brian Ruskin [Sandia National Laboratories ↗
Permeability & Porosity of Loose Granular Salt
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Matteo, Edward N [Sandia National Laboratories (SN↗
Extrusion-Spheronization of Energetic Materials with Induced Porosity
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Chemistry - Chemical explosives↗
Effect of Defects Part I: Degradation of Constitutive Coefficients as an Input to the Composite Failure Model with Microvoids and Porosity
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Vahid Tavaf↗
Ancient porosity preserved in ordinary chondrites: Examining shock and compaction on young asteroids
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Jon M. Friedrich↗
Widespread impact-generated porosity in early planetary crusts
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Sean E. Wiggins↗
Effects of Space Weathering and Porosity on the Far‐UV Reflectance of Amundsen Crater
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B. D. Byron↗
Experimental validation of co-cure process of honeycomb sandwich structures simulation: adhesive fillet shape and bond-line porosity
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Daniel Zebrine↗
Effect of welding position on porosity formation in aluminum alloy welds
Program investigates the effects of varied welding positions on weld qualities. Progressive changes in bead geometry occur as the weld plane angle is varied from upslope to downslope. The gravitational effect on the weld puddle varies greatly with welding position.
Haryung, J.↗
Tungsten ionizers with controlled porosity for cesium-ion engines.
Porous high efficiency predictable-pore-density tungsten ionizers for cesium ion engine
POROUS MATERIAL↗
Porosity effects in the ionization of cesium on tungsten.
Cesium vapor ionization on porous tungsten substrate creates gradients in surface atom concentrations diminishing ionization efficiency
IONIZATION POTENTIAL↗
Short-duration, transonic flow, variable-porosity test section
Short-duration test facility obtains extremely high Reynolds number flows in subsonic, transonic, and supersonic speed ranges, and aids in solving Reynolds number-dependent aerodynamic and thermodynamic problems in design and testing of large, high speed vehicles. The modified blowdown wind tunnel avoids data confusion and aerodynamic noise.
Davis, J. W.↗