Mathias Groth

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Professor Nuclear Engineering

Aalto University

Finland

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About

Professor Mathias Groth is a faculty member in the Department of Nuclear Engineering at Aalto University, Finland. His research focuses on plasma physics, particularly in the context of nuclear fusion, with recent work examining Balmer emissions, divertor plasma conditions, and tungsten erosion in various plasma scenarios. He has contributed significantly to the understanding of low-confinement mode plasmas and their implications for future fusion reactors.

Recent Grants

Grant: Close

RADIATIVE SOLUTIONS TO POWER EXHAUST IN TOKAMAKS: Coupling of a burning plasma to a metallic wall in magnetically confined fusion reactors

Open Date: 2015-01-09

Close Date: 2019-08-31

Grant: Close

Taming the tokamak edge: controlling plasma-wall interaction and tritium retention in ITER

Open Date: 2011-01-09

Close Date: 2015-08-31

Grant: Close

Scrape-off Layer Flow Studies in Tokamaks

Open Date: 2008-10-01

Close Date: 2011-09-01

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2021

Collaborators (13)

Henri Kumpulainen

Aalto University

FINLAND

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Ewa Pawelec

Opole University

POLAND

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Niels Horsten

Professor (50%)

UCLouvain

BELGIUM

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Lorenzo Frassinetti

KTH Royal Institute of Technology

SWEDEN

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Pedro Carvalho

Universidade de Lisboa Instituto de Plasmas e Fusão Nuclear

PORTUGAL

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Matteo Passoni

Full Professor

Politecnico di Milano

ITALY

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Karl Krieger

Max Planck Institute for Plasma Physics

GERMANY

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Laszlo Horvath

Princeton University Plasma Physics Laboratory

UNITED STATES

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Ray Chandra

Aalto University

FINLAND

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Detlev Reiter

Prof. Dr.

Heinrich Heine University Düsseldorf

GERMANY

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Tomi Vuoriheimo

University of Helsinki

FINLAND

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Roni Mäenpää

Aalto University

FINLAND

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Samuli Saarelma

United Kingdom Atomic Energy Authority

UNITED KINGDOM

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Mathias Groth

Research Interests

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About

Recent Grants

Articles (26)

Impact of nitrogen molecular breakup on divertor conditions in JET L-mode plasmas using SOLPS-ITER

Characterization of detachment inferred from the Balmer line ratios in JET-ILW low-confinement mode plasmas

ERO2.0 predictions of nickel migration in the JET ITER-Like Wall

Impact of bivariate energy and angular atomic impact spectra on tungsten erosion in JET

Balmer emission measurements in JET-ILW hydrogen, deuterium, tritium and deuterium-tritium low-confinement mode plasmas

E r measurements in JET L-mode plasmas for a wide range of densities—from the low-recycling regime up to the density limit

Addressing the impact of Lyman opacity in inference of divertor plasma conditions with 2D spectroscopic camera analysis of Balmer emission during detachment in JET L-mode plasmas

Demonstrating the impact of ro-vibrationally excited H2 on divertor detachment via population modelling

Validation of SOLPS-ITER and EDGE2D-EIRENE simulations for H, D, and T JET ITER-like wall low-confinement mode plasmas

Validated edge and core predictions of tungsten erosion and transport in JET ELMy H-mode plasmas

He II line intensity measurements in the JET tokamak

Helium plasma operations on ASDEX Upgrade and JET in support of the non-nuclear phases of ITER

Multi-staged ERO2.0 simulation of material erosion and deposition in recessed mirror assemblies in JET and ITER

Characterisation of the scrape-off layer in JET-ILW deuterium and helium low-confinement mode plasmas

Calibration improvements expand filterscope diagnostic use

Lyman line opacities in tokamak divertor plasmas under high-recycling and detached conditions

Investigation of the dependence of pe,ped on ne,sep in JET H-Mode plasmas using integrated JETTO-MISHKA-FRANTIC simulations

Impact of vibrationally and electronically excited H2 on the molecular assisted recombination rate in detached plasma regimes

Spectroscopic camera analysis of the roles of molecularly assisted reaction chains during detachment in JET L-mode plasmas

UEDGE-CRUMPET predicted isotopologue effect on atomic and molecular emission in DIII-D high-recycling divertor plasmas

Observation of low temperature VUV tungsten emission in JET divertor plasmas

Validation of SOLPS-ITER simulations with kinetic, fluid, and hybrid neutral models for JET-ILW low-confinement mode plasmas

Experimental distinction of the molecularly induced Balmer emission contribution and its application for inferring molecular divertor density with 2D filtered camera measurements during detachment in JET L-mode plasmas

Gross and net erosion balance of plasma-facing materials in full-W tokamaks

Interpretation of the hydrogen isotope effect on the density limit in JET-ILW L-mode plasmas using EDGE2D-EIRENE

Assessment of filtered cameras for quantitative 2D analysis of divertor conditions during detachment in JET L-mode plasmas

Collaborators (13)

Henri Kumpulainen

Ewa Pawelec

Niels Horsten

Lorenzo Frassinetti

Pedro Carvalho

Matteo Passoni

Karl Krieger

Laszlo Horvath

Ray Chandra

Detlev Reiter

Tomi Vuoriheimo

Roni Mäenpää

Samuli Saarelma

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