RELAP5 Analysis of OECD/NEA ROSA Project Experiment Simulating a PWR Loss-of-Feedwater Transient with High-Power Natural Circulation

<table>RELAP5 results for primary mass flow rate in loop with PZR in cases with different constants <svg height="11.75" id="M16" style="vertical-align:-0.23206pt" version="1.1" viewbox="0 0 12.1125 11.75" width="12.1125" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
<g transform="matrix(.017,-0,0,-.017,.062,11.4)"><use xlink:href="#x1D436"></use></g>
</svg> of Wallis CCFL correlation at both all PZR and surge-line junctions.</table>

Science and Technology of Nuclear Installations

fig29

Figure 29

Figure 29: RELAP5 Analysis of OECD/NEA ROSA Project Experiment Simulating a PWR Loss-of-Feedwater Transient with High-Power Natural Circulation 