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Abstract

The paper firstly summarises the reasons that led to the choice of covering the whole RFX vacuum vessel with solid graphite tiles, and gives a short description of the armor design. The thermal behaviour of the first wall under heat fluxes coming from plasma particle transport is then analysed; 1-D and 2-D finite element models give accurate predictions of the temperature within the tiles during the pulses and on the full wall during the dead times. The radiative and conductive contribution to the heat exchanges are analysed and compared. Finally, eddy currents and forces acting on the tiles and their supports during fast plasma current terminations are calculated.

Additional information

Authors: ELIO F, ISTITUTO GAS IONIZZATI, PADOVA (ITALY);GNESOTTO F, ISTITUTO GAS IONIZZATI, PADOVA (ITALY);PAULETTI R M, ISTITUTO GAS IONIZZATI, PADOVA (ITALY);SONATO P ISTITUTO GAS IONIZZATI, PADOVA (ITALY), ISTITUTO GAS IONIZZATI, PADOVA (ITALY)
Bibliographic Reference: 14TH SOFT CONFERENCE, AVIGNON (FRANCE), SEPT. 8-12, 1986 VOL. 1, PP. 513-519 1895 P., 1986, VOL. 1 AND VOL. 2, ISBN 0 08 034935 8 WRITE TO PERGAMON PRESS, HEADINGTON HILL HALL, OXFORD, OX3 0BW (UK), PRICE: UKL 220 (FOR BOTH VOLS.)
Record Number: 1989126044401 / Last updated on: 1989-01-01
Category: PUBLICATION
Available languages: en