The negative-ion accelerator for the MITICA neutral beam injector has been designed and optimized in order to reduce the thermo-mechanical stresses in all components below limits compatible with the required fatigue life. However, deviation from the expected beam performances can be caused by “off-normal” operating conditions of the accelerator. The purpose of the present work is to identify and analyse all the “off-normal” operating conditions, which could possibly become critical in terms of thermo-mechanical stresses or of degradation of the optical performances of the beam.

Off-normal and failure condition analysis of the MITICA negative-ion accelerator

CHITARIN, GIUSEPPE;AGOSTINETTI, PIERO;APRILE, DANIELE;MARCONATO, NICOLO';SERIANNI, GIANLUIGI;VELTRI, PIERLUIGI;
2016

Abstract

The negative-ion accelerator for the MITICA neutral beam injector has been designed and optimized in order to reduce the thermo-mechanical stresses in all components below limits compatible with the required fatigue life. However, deviation from the expected beam performances can be caused by “off-normal” operating conditions of the accelerator. The purpose of the present work is to identify and analyse all the “off-normal” operating conditions, which could possibly become critical in terms of thermo-mechanical stresses or of degradation of the optical performances of the beam.
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11577/3167831
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