Modelling of impurity transport and plasma wall interaction at linear ...
Modelling of impurity transport and plasma wall interaction at linear ...
Modelling of impurity transport and plasma wall interaction at linear ...
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Summary & Outlook<br />
The simul<strong>at</strong>ion <strong>of</strong> experiments <strong>of</strong> <strong>linear</strong> devices is important for<br />
implement<strong>at</strong>ion <strong>and</strong> testing <strong>of</strong> various new models, assumptions<br />
<strong>and</strong> underlying d<strong>at</strong>a in ERO.<br />
Several effects e.g. elastic collisions, carbide form<strong>at</strong>ion <strong>and</strong><br />
metastable tracking were already implemented <strong>and</strong> tested.<br />
This effects lead to improvement <strong>of</strong> for modelling <strong>of</strong> ITER – life time<br />
<strong>of</strong> PFC <strong>and</strong> tritium retention (divertor, “BM-tiles”).<br />
It is necessary to continue the implement<strong>at</strong>ion <strong>of</strong> further physical<br />
effects e.g. Be-D molecules form<strong>at</strong>ion or dynamics <strong>of</strong> surface<br />
carbidis<strong>at</strong>ion.<br />
The modelling <strong>of</strong> <strong>plasma</strong> <strong>and</strong> residual gas <strong>of</strong> <strong>linear</strong> devices by<br />
B2-EIRENE (or similar) codes can provide an important input for<br />
ERO, which is based on test-particle approxim<strong>at</strong>ion.<br />
02/09/2010 D.Borodin | Oak Ridge WS | Forschungszentrum Jülich<br />
No 29
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