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Naturally occurring and injected dust particles are observed in the DIII-D tokamak in the outer midplane scrape-off-layer (SOL) using a fast-framing visible camera. Sources of naturally occurring dust include material eroded from plasma facing components by transient events such as edge- localized-modes (ELMs) or disruptions. Dust particles ablate when they enter a hot region of plasma near the separatrix,...
Summary form only given. Dust is commonly found in current magnetic fusion devices. In reactors like ITER dust can pose safety hazards and impact plasma performance. However, the properties, generation rate, dynamics, and role of dust in fusion plasmas are still not well understood. In this work we simulate dynamics of dust particles in tokamaks with the dust transport, DUSTT, code and analyze the...
Summary form only given. Dust in fusion devices has been identified as having a potentially large impact on tokamak performance and operation safety. In this work transport of carbon dust particles in fusion devices is studied using the DUST transport (DUSTT) code. The code simulates 3D trajectories of dust particles in realistic geometry and plasma conditions of tokamaks taking into account dust...
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