Thermo-mechanical analyses and fatigue verifications of the ERID panels were undertaken considering the most demanding condition produced by breakdown and beam - on/off cycles during the operation in ITER HNB injectors. A validated finite element model was p repared with non - linear material properties and a deep assessment of data available was addressed considering past analyses carried out by CCFE in 2014 and calculated power densities to be applied onto the model surfaces. A customised ANSYS executable prog ram was used to simulat e the subcooled boiling conditions expected in the swirl flow of cooling channels. The thermal results produced by transient thermo - hydraulic analyses were applied as body load onto the mechanical model to calculate stress and strain fields. The a nalysis results were post - processed for the fatigue verification by evaluating local effects and creep - fatigue interaction.

Thermo-mechanical analyses and fatigue verifications of ERID panels

Dalla Palma M
2016

Abstract

Thermo-mechanical analyses and fatigue verifications of the ERID panels were undertaken considering the most demanding condition produced by breakdown and beam - on/off cycles during the operation in ITER HNB injectors. A validated finite element model was p repared with non - linear material properties and a deep assessment of data available was addressed considering past analyses carried out by CCFE in 2014 and calculated power densities to be applied onto the model surfaces. A customised ANSYS executable prog ram was used to simulat e the subcooled boiling conditions expected in the swirl flow of cooling channels. The thermal results produced by transient thermo - hydraulic analyses were applied as body load onto the mechanical model to calculate stress and strain fields. The a nalysis results were post - processed for the fatigue verification by evaluating local effects and creep - fatigue interaction.
2016
Istituto gas ionizzati - IGI - Sede Padova
Rapporto finale di progetto
Neutral Beam Test Facility
NBTF
MITICA
MITICA beamline components
ERID
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/20.500.14243/322808
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