Publications related to Poloidal CX visible light plasma rotation diagnostics in TCV

Bifurcated Helical Core Equilibrium States in Tokamaks

Olivier Sauter, Basil Duval, Stefano Coda, Jonathan Graves, Wilfred Anthony Cooper, Holger Reimerdes, Benoît Labit, Antoine Pochelon, David Pfefferlé, Federico David Halpern, Daniele Brunetti, Jonathan Rossel, Mattia Albergante

Tokamaks with weak to moderate reversed central shear in which the minimum rotational transform

q_{min}

is in the neighbourhood of unity can trigger bifurcated MagnetoHydrodynamic (MHD) equilibrium states, one of which is similar to a saturated ideal ...

2012

Global three-dimensional Fluid SOL simulations with aspect ratio effects

Paolo Ricci, Joaquim Loizu Cisquella, Sébastien Jolliet, Federico David Halpern, Annamaria Mosetto

Plasma edge turbulence plays a fundamental role in determining the performance of fusion devices. In the Scrape-Off-Layer (SOL), the plasma dynamics is the result of the interplay between the plasma outflow from the core, perpendicular transport and parall ...

2012

From astrophysics to fusion plasmas: signal processing and system optimization analysis for ITER

Duccio Testa

Efficient, real-time and unsupervised data analysis is one of the key elements for achieving scientific success in complex engineering and physical systems, of which three examples are the currently operating Joint European Torus (JET) and the soon-to-be-b ...

2012

Investigation of suprathermal ion transport in TORPEX

Ambrogio Fasoli, Ivo Furno, Paolo Ricci, Kyle Gustafson, Alexandre Dominique Bovet

Basic aspects of suprathermal ion transport in interchange-mode unstable plasmas are investigated in the simple toroidal plasma device TORPEX. Suprathermal ions are generated with a miniaturized lithium 6+ ion source with energies up to 1keV, and are detec ...

2012

Convective cells and blob control in a simple magnetized plasma

Ambrogio Fasoli, Ivo Furno, Christian Gabriel Theiler, Joaquim Loizu Cisquella

Blob control by creating convective cells using biased electrodes is demonstrated in simple magnetized toroidal plasmas. A two-dimensional array of electrodes is installed on a metal limiter to obtain different biasing schemes. Detailed two-dimensional mea ...

American Physical Society2012

Rotation studies in electron Internal Transport Barriers on TCV

Olivier Sauter, Basil Duval, Stefano Coda, Alexander Karpushov, Yanis Andrebe, Lucia Isabel Federspiel

This paper reports simultaneous measurements of intrinsic toroidal and poloidal plasma rotation during the evolution of electron Internal Transport Barriers (eITBs) on TCV. A CXRS diagnostic-beam system provides ion parameter profiles for stationary pre-ba ...

2012

Study of the ITER Stray Magnetic Field Effect on the EU 170-GHz2-MW Coaxial Cavity Gyrotron

Stefano Alberti, Jean-Philippe Hogge, Ioannis Pagonakis, Fengping Li

In this paper, the effect of the ITER stray magnetic field (SMF) on the operation of the European gyrotron has been studied. The SMFs include the magnetic field generated by neighboring gyrotrons, the ITER tokamak, and also the field perturbations caused b ...

Ieee-Inst Electrical Electronics Engineers Inc2012

Nanoparticle Synthesis and Growth in a Continuous Plasma Reactor from Organosilicon Precursors

Elizabeth Buitrago Godinez

Silica-like nanoparticles are produced from four different organosilicon monomers HMDSO, TMDSO, TEOS and TMOS in a continuous non-equilibrium plasma reactor. The nanoparticle synthesis is studied as a function of the process pressure, plasma power, gas vel ...

Wiley-Blackwell2012

Three-Dimensional Corrugation of the Plasma Edge when Magnetic Perturbations are Applied for Edge-Localized Mode Control in MAST

Wilfred Anthony Cooper

The distortion of the plasma boundary when three-dimensional resonant magnetic perturbations (RMPs) are applied has been measured in MAST H-mode plasmas. When the n = 3 RMPs are applied to control edge-localized modes (ELMs), the plasma experiences a stron ...

Institute of Physics2012

Observations on turbulence and beam-ion driven modes in TEXTOR

Stefano Coda, Mattia Albergante, Cornelis Adrianus de Meijere

At a sufficiently weak toroidal magnetic field, neutral beam injection heated, limited plasmas in the TEXTOR tokamak exhibit bursts of beam-ion driven 'fishbone' and Alfven modes, which are characterized for the first time using the multi-antenna reflectom ...

Iop Publishing Ltd2012

Poloidal CX visible light plasma rotation diagnostics in TCV

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Bifurcated Helical Core Equilibrium States in Tokamaks

Global three-dimensional Fluid SOL simulations with aspect ratio effects

From astrophysics to fusion plasmas: signal processing and system optimization analysis for ITER

Investigation of suprathermal ion transport in TORPEX

Convective cells and blob control in a simple magnetized plasma

Rotation studies in electron Internal Transport Barriers on TCV

Study of the ITER Stray Magnetic Field Effect on the EU 170-GHz2-MW Coaxial Cavity Gyrotron

Nanoparticle Synthesis and Growth in a Continuous Plasma Reactor from Organosilicon Precursors

Three-Dimensional Corrugation of the Plasma Edge when Magnetic Perturbations are Applied for Edge-Localized Mode Control in MAST

Observations on turbulence and beam-ion driven modes in TEXTOR

Global three-dimensional Fluid SOL simulations with aspect ratio effects

Bifurcated Helical Core Equilibrium States in Tokamaks

From astrophysics to fusion plasmas: signal processing and system optimization analysis for ITER

Investigation of suprathermal ion transport in TORPEX

Convective cells and blob control in a simple magnetized plasma

Observations on turbulence and beam-ion driven modes in TEXTOR

Rotation studies in electron Internal Transport Barriers on TCV

Study of the ITER Stray Magnetic Field Effect on the EU 170-GHz2-MW Coaxial Cavity Gyrotron

Nanoparticle Synthesis and Growth in a Continuous Plasma Reactor from Organosilicon Precursors

Three-Dimensional Corrugation of the Plasma Edge when Magnetic Perturbations are Applied for Edge-Localized Mode Control in MAST