The present work uses the results of a fluid full-turbulence 3D simulation of the tokamak periphery to present the first self-consistent analysis of the radial velocity scaling of plasma blobs in a diverted geometry. A diverted double-null configuration is considered, and the blob motion is studied using a pattern recognition algorithm. The velocity obtained from the simulation results is compared to an analytical scaling accounting for the presence of the X-point. Agreement is found between numerical and analytical results.
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Paruta et al. (2019) studied this question.
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