Pronghorn theory manual

AJ Novak, L Zou, JW Peterson, D Andrs, J Kelly… - 2018 - osti.gov
Pronghorn Theory Manual Page 1 INL REPORT INL/EXT-18-44453 Unlimited Release Printed
February 2018 Pronghorn Theory Manual April J. Novak Ling Zou John W. Peterson David …

Non-invasive particle-scale investigation of the effects of blade speed and particle properties on mixture homogeneity evolution using X-ray CT

H Nadeem, P Jamdagni, S Subramaniam… - Chemical Engineering …, 2023 - Elsevier
A binary system of particles was mixed in a vertically bladed mixer and mixture homogeneity
was reported using X-ray computed tomography (CT) and a particle-scale mixing index. The …

High-fidelity MC-DEM modeling and uncertainty analysis of HTR-PM first criticality

R Li, Z Liu, Z Feng, J Liang, L Zhang - Frontiers in Energy Research, 2022 - frontiersin.org
A high-fidelity model for the first criticality of pebble-bed reactor HTR-PM is built using Monte
Carlo (MC) code RMC and discrete element method (DEM) code LAMMPS. Randomly …

3D DEM simulation and analysis of void fraction distribution in a pebble bed high temperature reactor

X Yang, N Gui, J Tu, S Jiang - Nuclear Engineering and Design, 2014 - Elsevier
The current work analyzes the radial and axial distributions of void fraction of a pebble bed
high temperature reactor. A three-dimensional pebble bed corresponding to our test facility …

Assessing solid particle mixing using X-ray radiographic particle tracking

H Nadeem, P Jamdagni, S Subramaniam… - … Research and Design, 2023 - Elsevier
Mixture homogeneity values are obtained from a binary mixture in a vertically bladed mixer
utilizing data extracted from a single tagged particle. X-ray radiography was performed to …

A collective dynamics-based method for initial pebble packing in pebble flow simulations

Y Li, W Ji - Nuclear Engineering and Design, 2012 - Elsevier
In the simulation of pebble flow in Pebble-Bed High Temperature Reactors (PB-HTR's), high-
fidelity methods, such as discrete element method (DEM), are usually employed to simulate …

Uncertainty analysis of keff due to the random packing of pebbles in the pebble bed HTR

C Hao, R Yang, Y Cheng - Nuclear Engineering and Design, 2022 - Elsevier
There has been an increasing demand for the uncertainty analysis for the numerical results
from complicated High Temperature Gas Cooled Reactors (HTGRs) system with the …

Integrated internal-external thermal modeling for packed pebble beds

JY Seo, ES Kim, YB Jo - Powder Technology, 2024 - Elsevier
In this study, an integrated external-internal thermal DEM model is introduced in a GPU
environment. The external model considers contact conduction and radiation, exhibiting …

[HTML][HTML] Effects of 3D contraction on pebble flow uniformity and stagnation in pebble beds

M Wu, N Gui, X Yang, J Tu, S Jiang - Nuclear Engineering and Technology, 2021 - Elsevier
Pebble flow characteristics can be significantly affected by the configuration of pebble bed,
especially for HTGR pebble beds. How to achieve a desired uniform flow pattern without …

Experimental study of flow field characteristics on bed configurations in the pebble bed reactor

X Jia, N Gui, X Yang, J Tu, H Jia, S Jiang - Annals of Nuclear Energy, 2017 - Elsevier
The flow field characteristics are of fundamental importance in the design work of the pebble
bed high temperature gas cooled reactor (HTGR). The different effects of bed configurations …