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Thermal and structural analysis of the ITER ELM coils

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

A thermal and structural analysis of the ELM Coil design for ITER is presented. The ELM Coils are constructed using a jacketed mineral insulated conductor of CuCrZr, MgO and Inconel 625, rigidly mounted to the vacuum vessel inner shell, behind the Blanket Modules. Since the coils are not designed to be remotely maintained, a major issue is demonstrating the structural integrity against fatigue and crack propagation over an estimated 100 million cycles arising from operation at 5 hz in a high magnetic field. The temperature rises from ohmic and nuclear heating produce mean thermal stresses that further limit the allowable alternating stresses. Thermal growth also imparts large forces which must be reacted by the Vacuum Vessel. This paper presents the analysis and results with particular attention to the design criteria which is unique to the In-Vessel Coils.

Original languageEnglish (US)
Title of host publication2013 IEEE 25th Symposium on Fusion Engineering, SOFE 2013
DOIs
StatePublished - 2013
Event2013 IEEE 25th Symposium on Fusion Engineering, SOFE 2013 - San Francisco, CA, United States
Duration: Jun 10 2013Jun 14 2013

Publication series

Name2013 IEEE 25th Symposium on Fusion Engineering, SOFE 2013

Other

Other2013 IEEE 25th Symposium on Fusion Engineering, SOFE 2013
Country/TerritoryUnited States
CitySan Francisco, CA
Period6/10/136/14/13

All Science Journal Classification (ASJC) codes

  • Software

Keywords

  • Analysis
  • ELM Coil
  • ITER

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