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I contribute to the overall research efforts of the TCV group, which is focussed on ECH, ECCD and confinement. Whilst being in charge of coordinating the overall diagnostics implementation, I was directly responsible for the development of a 200 channel X-ray tomography system, a novel AXUV diode bolometry system and a multilayer mirror ultrasoft X-ray spectrometer in collaboration with the Czech Academy of Sciences, as well as the procurement of a 50kV diagnostic neutral diagnostic beam.
In addition I have carried out topical research, usually together with one of my students or colleagues, such as an investigation on the effect of plasma shape on confinement and MHD behaviour. The result of this investigation is that for a given mode of confinement the effect of shape on global confinement can be described by a single geometrical parameter (the shape enhancement factor) which is suitable for correcting existing energy confinement scaling laws, many of which have an unsatisfactory description of the effect of shape. I'm also the author of an early investigation on H-modes and ELMs in TCV. More recently I got interested in the context of profile shapes in the context of variably shaped plasmas, with the main result that profiles shapes in sawtoothing Ohmic L-mode plasmas depend solely on the parameter. This observation led to a fruitful collaboration with a theoretical colleague in Milano, Prof. E. Minardi, who developed a theory to explain the observed behaviour on the basis of a magnetic entropy principle. My most recent research work is concerned with anomalous particle and impurity transport, both on TCV and JET, as reflected in the most recent publications.
In addition I have carried out topical research, usually together with one of my students or colleagues, such as an investigation on the effect of plasma shape on confinement and MHD behaviour. The result of this investigation is that for a given mode of confinement the effect of shape on global confinement can be described by a single geometrical parameter (the shape enhancement factor) which is suitable for correcting existing energy confinement scaling laws, many of which have an unsatisfactory description of the effect of shape. I'm also the author of an early investigation on H-modes and ELMs in TCV. More recently I got interested in the context of profile shapes in the context of variably shaped plasmas, with the main result that profiles shapes in sawtoothing Ohmic L-mode plasmas depend solely on the parameter. This observation led to a fruitful collaboration with a theoretical colleague in Milano, Prof. E. Minardi, who developed a theory to explain the observed behaviour on the basis of a magnetic entropy principle. My most recent research work is concerned with anomalous particle and impurity transport, both on TCV and JET, as reflected in the most recent publications.
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FUSION SCIENCE AND TECHNOLOGYno. 5 (2023): 1-8
29TH INTERNATIONAL CONFERENCE NUCLEAR ENERGY FOR NEW EUROPE (NENE 2020) (2020)
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