Analysis of high-field side plasma instabilities in tokamak edge

Analysis of high-field side plasma instabilities in tokamak edge

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Balanced double-null configurations are of general craggy range sauvignon blanc 2022 interest for boundary plasma physics, and they have been proposed for some future designs.Experimental observations demonstrate absence of plasma fluctuations in tokamak high-field side scrape-off layer in a balanced double-null configuration (Smick et al., 2013), and it is commonly assumed that plasma instabilities are suppressed on high-field side in the edge plasma due to the stabilizing effect of magnetic curvature.At the same time, the experimental evidence points to extremely steep plasma density profiles on high-field side, which should provide a strong instability drive.In the present study, the drift-resistive-ballooning mode instability model is investigated analytically and numerically to determine the characteristics of plasma instabilities, turbulence, and pink chiclets gum transport in tokamak scrape-off layer on high-field side.