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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Be metastable st<strong>at</strong>e (MS) tracking in ERO<br />
The system <strong>of</strong> 2 balance equ<strong>at</strong>ions<br />
can be solved analytically . . .<br />
ADAS, T e =1eV, n e =2*10 12 cm -3<br />
Effective r<strong>at</strong>es:<br />
1,2) transitions between "GS" <strong>and</strong> "MS"<br />
3,4) ioniz<strong>at</strong>ion from "GS" <strong>and</strong> "MS"<br />
5,6) line intensity (PEC – photon emission<br />
coefficient), contributions from "GS" <strong>and</strong> "MS"<br />
MS resolved approach allows to tre<strong>at</strong> in ERO<br />
effectively the slow relax<strong>at</strong>ion between triplet<br />
<strong>and</strong> singlet levels – important if MS<br />
popul<strong>at</strong>ion affected by extra processes <strong>and</strong><br />
<strong>at</strong> high <strong>plasma</strong> parameter gradients<br />
02/09/2010 D.Borodin | Oak Ridge WS | Forschungszentrum Jülich<br />
No 10
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