Complex flow structure interactions and heat transfer processes take place in nuclear
reactor cores. Given the extreme pressure/temperature and radioactive conditions inside the …

Cross flow and lateral pressure drop downstream a split-type mixing vane spacer grid in a
5× 5 rod bundle were experimentally measured by particle image velocimetry (PIV) and …

Transient CFD simulations play a crucial role in ensuring the safe operation of pressurized
water reactors (PWR). This study aims to investigate the applicability and accuracy of the …

Pressurized water reactors (PWRs) are the most common types of electricity generating
nuclear reactors. Within their cores, fuel rods generate heat by fission and the high-pressure …

Spacer grids, especially those with mixing vanes or other mixing devices in the rod bundle,
have great influence on local flow fields in the reactor core. This mixing effect has been …

Turbulent flow simulations of 5× 5 rod bundle with the split-type mixing grid are presented.
The simulations were performed by the Jožef Stefan Institute (JSI) in the frame of its …

Simulation of single-phase turbulent flow in the entire reactor core is a challenging task due
to a complex geometry and a huge computational domain, which requires large number of …

Some areas of tropical soils where cocoa grows contain high cadmium (Cd) concentrations.
The cocoa plant's need for nutrition causes the reticular system to uptake the toxic metal …

In this study, a novel spacer grid with rectangular wing longitudinal vortex generators
(RLVGs) is designed to improve the thermal–hydraulic characteristics of fuel assembly and …

This study analyzes the effects of heat release rate (HRR), fire position, smoke exhaust
velocity, shaft diameter, and ambient pressure on the smoke exhaust efficiency in a rescue …