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Original title:
Self-consistent modeling of electron runaway in tokamak disruptions
Translated title:
Selbstkonsistente Modellierung der Erzeugung von Runaway-Elektronen in Tokamakdisruptionen
Author:
Year:
2022
Document type:
Dissertation
Institution:
Fakultät für Informatik
Advisor:
Jenko, Frank (Prof. Dr.)
Referee:
Jenko, Frank (Prof. Dr.); Zohm, Hartmut (Prof. Dr.)
Language:
en
Subject group:
PHY Physik
Keywords:
fusion plasmas, plasma simulations, tokamaks, disruptions, runaway electrons
Translated keywords:
Fusionsplasmen, Plasmasimulationen, Tokamaks, Disruptionen, Runaway-Elektronen
TUM classification:
MAT 650; DAT 780
Abstract:
In this dissertation we investigate plasma terminating disruptions, which threaten the integrity of reactor-relevant tokamaks. With a coupled 1.5D transport framework, I model the interaction of fusion plasma, electron runaway and material injected for mitigation. Applied in simulations of artificial disruptions in ASDEX Upgrade, I show that a good match with experimental observations is only possible when considering MHD-enhanced material transport and the latest relativistic kinetic models.
Translated abstract:
In dieser Dissertation untersuchen wir Plasmadisruptionen, welche die Integrität reaktorrelevanter Tokamaks gefährden. Mittels eines 1.5D Transportframeworks modelliere ich die Interaktion von Fusionsplasma, Runaway-Eletronen und injiziertem Material. Angewandt in Simulationen künstlicher ASDEX Upgrade Disruptionen zeige ich, dass experimentelle Beobachtungen nur unter Berücksichtigung von MHD induziertem Materialtransport und neuester kinetischer Modelle korrekt beschrieben werden können.
Date of submission:
28.07.2021
Oral examination:
22.02.2022
File size:
7001492 bytes
Pages:
167
Last change:
21.03.2022
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