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URN: urn:nbn:de:swb:90-355084

Investigation of the deformation of in-vessel components of a nuclear fusion experiment using optical strain sensors

Vorpahl, Christian Georg

Abstract:
A fibre-optic, EM-insensitive measurement for the deformation of in-vessel components has successfully been installed and operated at the nuclear fusion experiment ASDEX Upgrade. The sensors were tested for their neutron tolerance and vacuum compatibility. Installation was done by copper-steel laser beam welding. Measurements of in-service oscillations due to all three existing types of load cases show good agreement with theory and simulations. A fatigue lifetime assessment was performed.


Zugehörige Institution(en) am KIT Institut für Angewandte Materialien - Werkstoff- und Biomechanik (IAM-WBM)
Publikationstyp Hochschulschrift
Jahr 2013
Sprache Englisch
Identifikator KITopen ID: 1000035508
HGF-Programm 31.40.03; LK 01
Verlag Karlsruhe
Abschlussart Dissertation
Fakultät Fakultät für Maschinenbau (MACH)
Institut Institut für Angewandte Materialien - Werkstoff- und Biomechanik (IAM-WBM)
Prüfungsdaten 03.05.2013
Referent/Betreuer Prof. M. Kamlah (KIT); Prof. H. Zohm (IPP)
Bemerkung zur Veröffentlichung Die Dissertation wurde am Max-Planck-Institut für Plasmaphysik (IPP) angefertigt.
Schlagworte ASDEX Upgrade Tokamak, In-vessel coils, Fatigue, Copper-steel laser welding, Optical strain sensors (Fibre-Bragg Gratings, FBG)
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