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Comparison and Experimental Validation of Different Methods for Eddy Current Calculation in the RFX Conducting Shell

Pietro Fiorentin, Giuseppe Marchiori, Giuseppe Zollino

Fusion Science and Technology / Volume 26 / Number 3P2 / November 1994 / Pages 577-581

Plasma Heating and Current Drive, Plasma Engineering / Proceedings of the Eleventh Topical Meeting on the Technology of Fusion Energy New Orleans, Louisiana June 19-23, 1994 / dx.doi.org/10.13182/FST94-A40219

An analytical and a Finite Element (FE) model for eddy current computation on the RFX conductive shell are compared by means of a harmonic analysis. The influence of the basic assumptions of the analytical model is investigated and the criteria for the choice of the FE mesh are presented. The application limits of the models are discussed and their accuracy is assessed by means of experimental measurements on the actual RFX shell.