Alexander Karpushov

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Publications associées (87)

Dependence of L-mode confinement on the electron cyclotron power deposition profile in the TCV tokamak

Olivier Sauter, Basil Duval, Stefano Coda, Timothy Goodman, Benoît Labit, Alexander Karpushov, Antoine Pochelon, Roland Behn, Loïc Curchod, Mikael Rancic

Institute of Physics2012

Recent TCV results – innovative plasma shaping to improve plasma properties and insight

Basil Duval, Olivier Sauter, Stefano Coda, Timothy Goodman, Jean-Marc Moret, Laurent Villard, Benoît Labit, Laurie Porte, Holger Reimerdes, Alexander Karpushov

2012

A scoping study of the application of neutral beam heating on the TCV tokamak

Olivier Sauter, Basil Duval, René Chavan, Alexander Karpushov, Henri Weisen, Emiliano Fable

The TCV tokamak contributes to the physics understanding of fusion plasmas, broadening the parameter range of reactor relevant regimes, by investigations based on an extensive use of the existing main experimental tools: flexible shaping and high power rea ...

Elsevier B.V.2011

Experimental demonstration of an up-down asymmetry effect on intrinsic rotation in the TCV tokamak

Olivier Sauter, Basil Duval, Alexander Karpushov, Yann Camenen, Alessandro Bortolon, Lucia Isabel Federspiel, Francesco Piras

A new mechanism has recently been proposed that generates a radial flux of parallel momentum in toroidal plasmas. Namely, by considering up-down asymmetric flux surfaces, the symmetry following the magnetic field can be broken and an additional contributio ...

Institute of Physics2010

Experimental Evidence of Momentum Transport Induced by an Up-Down Asymmetric Magnetic Equilibrium in Toroidal Plasmas

Olivier Sauter, Basil Duval, Alexander Karpushov, Yann Camenen, Alessandro Bortolon, Lucia Isabel Federspiel, Francesco Piras

The first experimental evidence of parallel momentum transport generated by the up-down asymmetry of a toroidal plasma is reported. The experiments, conducted in the Tokamak a` Configuration Variable, were motivated by the recent theoretical discovery of i ...

2010

The diagnostic neutral beam injector with arc-discharge plasma source on the TCV Tokamak

Basil Duval, Alexander Karpushov, Yanis Andrebe, Alessandro Bortolon

The diagnostic neutral beam injector (DNBI) together with a charge exchange recombination spectroscopy (CXRS) system has been used on the TCV Tokamak as a diagnostic tool for local measurements of plasma ion temperature, velocity and carbon impurity densit ...

Elsevier B.V.2009

Spontaneous L-mode plasma rotation scaling in the TCV tokamak

Olivier Sauter, Basil Duval, Alexander Karpushov, Richard Pitts, Antoine Pochelon, Andrea Scarabosio, Alessandro Bortolon

2008

Electron thermal transport analysis in Tokamak a Configuration Variable

Olivier Sauter, Yves Martin, Stefano Alberti, Laurie Porte, Alexander Karpushov

American Institute of Physics (AIP)2008

Ion Temperature Fluctuations in ELMy H-mode of the X3 EC-heated Plasmas on TCV

Basil Duval, Alexander Karpushov, Christian Schlatter

This paper focuses on interpreting variations in the NPA measured energy distribution of neutral fluxes from the TCV high density H-mode plasma discharges with strong third harmonic electron cyclotron heating (P_{X3}>P_{\Omega}). Two quasi-stationary regim ...

2007

Bulk Plasma Rotation in the TCV Tokamak in the Absence of External Momentum Input (Invited paper)

Basil Duval, Alexander Karpushov, Richard Pitts, Antoine Pochelon, Andrea Scarabosio, Alessandro Bortolon

2007

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