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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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Optical Ray-Tracing Performance Modeling of Quartz Half-Shell Tubes Aperture Cover for Falling Particle Receiver.
Abstract not provided.
Pairing Directional Solar Inputs from Ray Tracing to Solar Receiver/Reactor Heat Transfer Models on Unstructured Meshes: Development and Case Studies.
Abstract not provided.
Characterization of Gradient Index optical components using Experimental Ray Tracing
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Analysis of Dislocations in PVT-Grown 6H-SiC through Grazing-Incidence X-Ray Topographic Images and Ray-Tracing Simulation
Abstract not provided
Ray tracing in a finite element domain using the full finite element computational construct.
Abstract not provided.
Split Imaging Spectrometer Ray Trace Summary
Abstract Not Provided
The ray-tracing code Zgoubi - latest developments
The reader is referred to the ICFA-BD-NL No.43, and to a more recent status article in NIMA, regarding the technical details of the Zgoubi tracking engine and its accuracy, which make it "near-symplectic" - sufficiently so to model millions of turns in large hadron colliders, - and its potential for pushing particles in complex accelerator structures and accelerator optical elements or their field maps. Extended documentation can be found in the regular FFA workshops as well as in the SourceForge code development site where in particular many examples of beam lines, FFAs and other ring simulations are maintained. There is also a comprehensive user's guide. Further documentation, including an attempt to demonstrate 6D simulation in all possible types of particle accelerators, can be found in the "Computer Laboratory" Stony Brook University "PHY689" semester series.
Ray Trace Modeling Code
This document gives a brief overview of the basic theory of electromagnetic (EM) wave propagation through an inhomogeneous, non-stochastic plasma and the development of a computer code to model that propagation in three dimensional space. This code has been developed to account for extreme ionospheric refractory conditions, that is, propagation of electromagnetic waves near the geomagnetic poles, and significant electron density gradients in all three directions.
Ray-Tracing Simulations Characterising the Performance of the Proposed 2024 HFIR HB4 Main Shutter
The Main Shutter at HB4 will serve two purposes after the HFIR Beryllium Reflector Replacement planned to take place in 2024. First as the primary certified safety control controlling the passage of neutrons from the cold source in the HFIR pressure vessel into the cold guide hall, and second as the first set of reflecting surfaces used to guide neutrons from the source and into the individual guide starts for each instrument in the cold guide hall.
Tolerancing Tera-BREAD Using Ray-Tracing Simulations
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Coherent Ray-tracing for BREAD
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