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A power-balance model for the L-mode radiative density limit in fusion plasmas

Zanca P.; Sattin F.; Escande D.F.; Auriemma F.

A 1D cylindrical power-balance model of the radiation density limit (DL) gives a unified description of this phenomenon for stellarators, reversed field pinches and L-mode tokamaks (Zanca et al 2019 Nucl. Fusion 59 126011). The DL scaling laws for the three different configurations are all derived from a combination of just two equations: (a) a single-fluid heat-transport equation; (b) on-axis Ohm’s law with Spitzer resistivity, taken in a suitable limit for the stellarator. Here, we present a refined version of the model, alongside further experimental evidence supporting its successful application.

ID 466687
DOI 10.1088/1361-6587/ac57cc
PRODUCT TYPE Journal Article
LAST UPDATE 2022-05-03T09:45:11Z
TITLE Implementation of activities described in the Roadmap to Fusion during Horizon 2020 through a Joint programme of the members of the EUROfusion consortium