28–31 Aug 2018
EPFL
Europe/Zurich timezone

【239】 A synthetic tangential phase contrast imaging diagnostic based on nonlinear GENE simulations with TCV geometry

29 Aug 2018, 18:30
1h 30m
Salle polyvalente (EPFL)

Salle polyvalente

EPFL

Poster Applied Physics and Plasma Physics Poster Session

Speaker

Aylwin Iantchenko

Description

Proper understanding of turbulent transport is crucial to achieve controlled fusion. Numerically, turbulence can be studied in the gyrokinetic framework, where turbulent fluctuations are separated from the rapid gyration motion of the charged particles. Comparison with experimental observables can then be made through the application of a synthetic diagnostic. In this work we make use of a synthetic diagnostic to simulate measurements from a tangential phase contrast imaging system on TCV. The system measures line integrated electron density fluctuations along a laser beam path that is tangent to the magnetic field. Comparison with nonlinear gyrokinetic simulations using the Eulerian GENE code with realistic TCV geometry, is provided by the synthetic tool that integrates the simulated fluctuations over diagnostic volumes.

Author

Aylwin Iantchenko

Co-authors

Fabien Margairaz (EPFL) Mr Gabriele Merlo (University of Texas at Austin) Mr Stefano Coda (EPFL) Mr Stephan Brunner (EPFL)

Presentation materials

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