Volume 83, Number 6, September 2008
|Number of page(s)||5|
|Section||Physics of Gases, Plasmas and Electric Discharges|
|Published online||15 September 2008|
Modelling dust transport in tokamaks
Max-Planck-Institut für extraterrestrische Physik - Postfach 1312, D-85741, Garching, Germany, EU
2 Blackett Laboratory, Imperial College London - Prince Consort Road, London, SW7 2BZ, UK, EU
3 EURATOM/UKAEA Fusion Association, Culham Science Centre - Abingdon, Oxon, OX14 3DB, UK, EU
4 University College Oxford - Oxford, OX1 4BH, UK, EU
Corresponding author: firstname.lastname@example.org
Accepted: 11 August 2008
The DTOKS code, which models dust transport through tokamak plasmas, is described. The floating potential and charge of a dust grain in a plasma and the fluxes of energy to and from it are calculated. From this model, the temperature of the dust grain can be estimated. A plasma background is supplied by a standard tokamak edge modelling code (B2SOLPS5.0), and dust transport through MAST (the MegaAmp Spherical Tokamak) and ITER plasmas is presented. We conclude that micron-radius tungsten dust can reach the separatrix in ITER.
PACS: 52.40.Hf – Plasma-material interactions; boundary layer effects / 52.55.Fa – Tokamaks, spherical tokamaks / 52.27.Lw – Dusty or complex plasmas; plasma crystals
© EPLA, 2008
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