Nitrogen molecular break-up and transport simulations in the JET divertor

Roni Mäenpää*, Henri Kumpulainen, Mathias Groth, Juri Romazanov, Bartosz Lomanowski, JET Contributors

*Corresponding author for this work

Research output: Contribution to conferencePaperScientific

Abstract

The density of N+ ions is predicted to decrease by 25 % and the density of N2+ ions to increase by 50 % if nitrogen is assumed to recycle from the divertor walls as molecules in partially detached JET L-mode plasma simulations performed with the 3D Monte Carlo trace impurity code ERO2.0 [1]. These findings are attributed to the kinetic energy gained by the molecular dissociation fragments in the Franck-Condon process and the resulting increase in plasma penetration of the atoms.
Original languageEnglish
Number of pages4
Publication statusPublished - 21 Jun 2021
MoE publication typeNot Eligible
EventEuropean Physical Society Conference on Plasma Physics - Virtual, Online, Sitges, Spain
Duration: 21 Jun 202125 Jun 2021
Conference number: 47

Conference

ConferenceEuropean Physical Society Conference on Plasma Physics
Abbreviated titleEPS
Country/TerritorySpain
CitySitges
Period21/06/202125/06/2021

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