Research
Find research shared by the Owlstown community.
[P19] The solution of the neutron point kinetics equation with stochastic extension: an analysis of two moments
ABSTRACT: The neutron point kinetics equation, which models the time-dependent behavior of nuclear reactors, is often used to understand the dynamics of nuclear reactor operations. It consists of a system of coupled differential equations that mod...
Publication · March 28, 2025
[P17] On the accuracy of the non-classical transport equation in 1- D random periodic media
ABSTRACT: We present a first numerical investigation of the accuracy of the recently proposed non-classical transport equation. This equation contains an extra independent variable (the path-length s), and models particle transport taking place in...
Publication · March 28, 2025
[P9] Estimating anisotropic diffusion of neutrons near the boundary of a pebble bed random system
ABSTRACT: Due to the arrangement of the pebbles in a Pebble Bed Reactor (PBR) core, if a neutron is located close to a boundary wall, its path length probability distribution function in directions of flight parallel to the wall is significantly d...
Publication · March 28, 2025
[P7] Anisotropic diffusion in model 2-D pebble-bed reactor cores
ABSTRACT: We describe an analysis of neutron transport in a modeled 2-D (transport in a plane) pebble-bed reactor (PBR) core consisting of fuel discs stochastically piled up in a square box. Specifically, we consider the question of whether the fo...
Publication · March 28, 2025
[P6] Particle transport in the 1-D diffusive atomic mix limit
ABSTRACT: A multiple length-scale asymptotic analysis shows that 1-D diffusive heterogeneous-media transport problems are accurately modeled by the atomic mix approximation when the optical widths of the “chunks” of different materials are O(1). (...
Publication · March 28, 2025
[P5] State of the art of particle transport theory in stochastic media
ABSTRACT: In this work we report the state of art of particle transport theory in stochastic media, discussing in detail the derivation of the atomic mix and the Levermore-Pomraning models. We consider time independent stochastic transport in a ra...
Publication · March 28, 2025
[P41] Calculating the expected effective multiplication factor and neutron scalar flux profile in statistically homogeneous random media using a nonclassical model
ABSTRACT: Reliance on low-fidelity models and assessments in nuclear reactor systems can result in overly conservative designs, unbalancing their competitiveness compared to other energy sources. Addressing this challenge toward developing the mo...
Publication · March 28, 2025
F4/80hi Resident Macrophages Contribute to Cisplatin-Induced Renal Fibrosis
Publication · March 28, 2025
Measuring Renal Blood Flow and Tissue Perfusion
The Center's Non-Invasive Imaging Core houses a Vevo 3100 high resolution in vivo imaging system. This system is specialized to view extremely small physiological structures in mice in real-time. Coupled with infusion of a contrast agent, we can a...
Project · March 28, 2025
Surgical Models of Kidney Injury
The Center's Surgery Core houses five, fully equipped surgery stations. This allows our lab users to perform bilateral and unilateral ischemia-reperfusion surgeries, where blood flow to the kidneys is restricted for set periods of time. These mode...
Project · March 28, 2025
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