Abstract
Recently, the presence of dust particles in tokamak plasma and the role of dust in material re‐deposition, core contamination, and tritium inventory brought significant attention of the fusion community. The physical model for dust transport simulation in fusion devices and the newly developed 3D code DUSTT are discussed. The DUSTT code takes into account both the dust dynamics due to dust‐plasma interactions as well as the effects of dust charging, heating and evaporation. The code allows tracking of test dust particle in realistic plasma background calculated with the edge‐plasma transport code UEDGE. The results on dust transport in NSTX, DIII‐D, and ITER tokamaks are presented. The possible effect of dust on divertor plasma parameters is analyzed. An assessment of core plasma contamination due to dust is given.
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