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

<table class="table-group" width="800px"><tr class="fig-image" id="a"><td><img alt="635651.fig.0018a" src="https://static.hindawi.com/articles/stni/volume-2014/635651/figures/635651.fig.0018a.jpg"/></td></tr><tr class="fig-caption"><td align="center"><table><tr><td><b>(a) </b>Swirl-type spacer-grid</td></tr></table></td></tr><tr class="fig-image" id="b"><td><img alt="635651.fig.0018b" src="https://static.hindawi.com/articles/stni/volume-2014/635651/figures/635651.fig.0018b.jpg"/></td></tr><tr class="fig-caption"><td align="center"><table><tr><td><b>(b) </b>Split-type spacer-grid</td></tr></table></td></tr></table>

<table>Streamlines of flow leaving the spacer around one rod for split spacer-grid. The streamlines represent the velocity in a chosen time step in a range from 0 to 2.3 m/s of a red-to-blue color scale.</table>

Science and Technology of Nuclear Installations

fig18

Figure 18

Figure 18: CFD Turbulence Study of PWR Spacer-Grids in a Rod Bundle 