Abstract Knowledge and proper safety analyses of the gas coolant and heat transport
mechanism in the dynamic core of packed pebble bed nuclear reactors pose challenges to …

Cardinal is an open-source application that couples OpenMC Monte Carlo transport and
NekRS computational fluid dynamics to the Multiphysics Object-Oriented Simulation …

ENRICO is a coupled application developed under the US Department of Energy's Exascale
Computing Project (ECP) targeting the modeling of advanced nuclear reactors. It couples …

Nek5000/RS, a highly-performant open-source spectral element code, has recently
achieved an unprecedented milestone in the simulation of nuclear reactors: the first full core …

We present a novel deterministic equilibrium core pebble-bed depletion algorithm. It differs
from most other algorithms by distinguishing pebble age directly by burnup instead of using …

The Generation IV high temperature pebble bed reactor has garnered interest over the years
as a viable solution for reducing overall carbon emissions. The potential for enhanced …

As an advanced reactor type, the pebble type very high temperature gas cooled reactor
(VHTR) has the advantages of high safety and high outlet temperature. In this study, the …

Packed beds play an important role in many engineering fields, with their applications in
nuclear energy being driven by the development of next-generation reactors utilizing pebble …

An in-depth understanding of the flow physics in packed beds is critical for developing
simulation tools for pebble bed reactors. Advances in computing power have now made the …

Advances in the development of pebble bed reactors (PBRs) has created a desire for
accurate and cost-effective simulation tools for design scoping studies and safety analysis …