CFD Turbulence Study of PWR Spacer-Grids in a Rod Bundle

Peña Monferrer Carlos, Muñoz-Cobo González José Luís, Chiva Vicent Sergio

2014

Science and Technology of Nuclear Installations

Nuclear fuel bundles include spacers essentially for mechanical stability and to influence the flow dynamics and heat transfer phenomena along the fuel rods. This work presents the analysis of the turbulence effects of a split-type and swirl-type spacer-g