STACY Code and its Application to the HTR-Module and HTTR
STACY Code and its Application to the HTR-Module and HTTR
STACY Code and its Application to the HTR-Module and HTTR
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Fission product release calculation of <strong>HTTR</strong><br />
• Improvements in fission product release code:<br />
• Fickean diffusion within (hollow) cylindrical bodies<br />
• Usage of Monte-Carlo method <strong>to</strong> r<strong>and</strong>omize particle failure<br />
• Usage of burnup calculation <strong>to</strong> determine nuclide inven<strong>to</strong>ries instead of<br />
using simplified analytical equation<br />
→ Spatial resolved fission product release rates<br />
(so far, only block‐wise)<br />
• Burnup calculation with SERPENT<br />
• Monte-Carlo neutronics code incl. burnup calculation<br />
• Developed at VTT Technical Research Centre<br />
• Applied <strong>to</strong> <strong>HTTR</strong>, <strong>HTR</strong>-10, Konvoi (1300 MW class)<br />
etc. at FZJ<br />
A. Xhonneux Technical Meeting on Re-evaluation of Maximum Operating Temperatures <strong>and</strong> Accident Conditions for<br />
25<br />
<strong>HTR</strong> Fuel <strong>and</strong> Structural Materials, Vienna,10-12 June 2013
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