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Showing 1 to 9 of 9 for “"Monte Carlo particle transport"”.
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Acceleration methods for Monte Carlo particle transport simulations
… and detailed results from reactor analysis. Monte Carlo (MC) eigenvalue neutron transport methods are uniquely qualified to provide these results, due to their accurate treatment of space, angle, and energy dependencies of neutron distributions. Monte Carlo eigenvalue simulations are, …
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Domain decomposition for Monte Carlo particle transport simulations of nuclear reactors
Monte Carlo (MC) neutral particle transport methods have long been considered the gold-standard for nuclear simulations, but high computational cost has limited their use significantly. However, as we move towards higher-fidelity nuclear reactor analyses the method has become competitive with …
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Parallel algorithms for Monte Carlo particle transport simulation on exascale computing architectures
Monte Carlo particle transport methods are being considered as a viable option for high-fidelity simulation of nuclear reactors. While Monte Carlo methods offer several potential advantages over deterministic methods, there are a number of algorithmic shortcomings that would prevent their immediate …
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Characterization of neutron fields around an intense neutron generator
… facility has been simulated using MCNPX 2.7E Monte Carlo particle transport program. The P-385 neutron generator is configured to function with a deuterium-deuterium fusion reaction using accelerated charged deuterons colliding with a metal deuteride target. This fusion reaction is …
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Nuclear reactor multi-physics simulations with coupled MCNP5 and STAR-CCM+
The MCNP5 Monte Carlo particle transport code has been coupled to the computational fluid dynamics code, STAR-CCM+, to provide a high fidelity multi-physics simulation tool for analyzing the steady state properties of a PWR core. The codes are executed separately and coupled externally through a …
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Monte Carlo Analysis and Physics Characterization of a Novel Nanoparticle Detector for Medical and Micro-dosimetry Applications
… The second tool utilizes an open source Monte Carlo particle transport code, and was applied for small animal dosimetry studies to calculate organ doses and recommend new techniques of dose prescription in mice, as well as to characterize dose to the murine bone marrow compartment with …
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Polyethylene-Based Multifunctional Composite Material for Radiation Shielding, Passive Thermoregulation, and In-Situ Fabrication for Space Exploration
… electrons, protons, gamma rays, and secondary particles, such as thermal neutrons, are abundant in low Earth orbit (LEO) and deep space environments like lunar and Martian surfaces, where space missions are often conducted. Such sources of space radiation can induce severe damage to human …
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Modeling and Design of Betavoltaic Batteries
… battery simulation model was developed using Monte Carlo particle transport codes such as MCNP and PENELOPE whereas many researchers used simple empirical equations. These particle transport codes consider the comprehensive physics theory for electron transport in materials. They are used to …
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Proof-of-Concept For Converging Beam Small Animal Irradiator
<p>The Monte Carlo particle simulator TOPAS, the multiphysics solver COMSOL., and</p> <p>several analytical radiation transport methods were employed to perform an in-depth proof-ofconcept</p> <p>for a high dose rate, high precision converging beam small animal irradiation platform.</p> <p>In the …