A three-dimensional numerical study on steady state was designed for a safety relief valve
using several openings and inlet pressures. The ANSYS-CFX® commercial code was used …

In spite of the low fuel failure rate in currently operating water cooled nuclear power reactors,
operations are increasingly demanding with higher burn-up, power increases, cycle lengths …

In this study, we experimentally investigate the flow field characteristics in a fuel rod bundle
with a spacer grid and split-type mixing vanes at a low Reynolds number of 14, 000. Time …

High fidelity nuclear reactor fuel assembly simulation using CFD method is an effective way
for the structure design and optimization. The validated models and user practice guidelines …

In this study, we experimentally investigated the flow field characteristics in the complex
geometry of a tightly packed 61-rod bundle with wire spacers by employing matched-index …

An experimental study titled the 2nd International Benchmark Exercise (IBE-2) has been
conducted to provide high-precision data of detailed turbulent flow mixing in a rod bundle for …

In this paper, the turbulent flow in rod bundles with spacer grid and mixing vanes in nuclear
reactor core was studied using spectral element method with large eddy simulation (LES) …

A 50 MWe helium-cooled fast modular reactor (FMR) is under development, and as part of
the Department of Energy Integrated Research Project (IRP), Texas A&M University is …

The advances in high performance computing (HPC) have allowed direct numerical
simulation (DNS) approach coupled with interface tracking methods (ITM) to perform high …

In reactor fuel assembly in PWR, spacer grids with mixing vanes are used in rod bundles to
enhance flow mixing and heat transfer. Thus, the spacer grids have significant influence on …