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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Radial pr<strong>of</strong>iles <strong>at</strong> oven (z=150mm): Be<br />
Devi<strong>at</strong>ions <strong>of</strong> modelling from experiment:<br />
1) BeI max. shifted to seeding loc<strong>at</strong>ion<br />
2) BeII pr<strong>of</strong>ile too narrow<br />
3) Absolute values <strong>of</strong> BeI intensity <strong>and</strong> r<strong>at</strong>io<br />
<strong>of</strong> BeII/BeI devi<strong>at</strong>e by factors, which are<br />
different for various <strong>plasma</strong> conditions . . .<br />
Possible explan<strong>at</strong>ions:<br />
1) Uncertainties in <strong>plasma</strong> parameters<br />
(input) – e.g. <strong>plasma</strong> column width too<br />
large?..<br />
2) Atomic d<strong>at</strong>a, Be-D molecules,<br />
metastables, . . .<br />
02/09/2010 D.Borodin | Oak Ridge WS | Forschungszentrum Jülich<br />
No 15
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