Publications de Alexey Zabolotskiy

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A set of seven twin slit cameras, each containing two 20-element linear absolute extreme ultraviolet photodiode arrays, has been installed on the Tokamak a Configuration Variable. One array in each camera will operate as a bolometer and the second as a Lyman-alpha (L-alpha) emission monitor for estimating the recycled neutral flux. The camera configuration was optimized by simulations of tomographic reconstructions of the expected L-alpha emission. The diagnostic will provide spatial and temporal resolution

Results from an extensive database analysis of JET density profiles in stationary conditions show that the density peaking factor n(e0)/< n(e)> in JET H modes increases from near 1.2 at high collisionality to around 1.5 as the plasma collisionality decreas ...

Experimental observations on core particle and impurity transport from the Axial Symmetric Divertor Experiment Upgrade [O. Gruber, H.-S. Bosch, S. Gunter , Nucl Fusion 39, 1321 (1999)] and the Joint European Torus [J. Pamela, E. R. Solano, and JET EFDA Con ...

Moderately peaked electron density profiles are observed in virtually all plasma conditions in TCV. The existence of an anomalous pinch is unambiguously demonstrated by the observation of peaked density profiles in stationary, fully relaxed, fully current driven electron cyclotron current drive (ECCD) discharges with V-loop = 0. The behaviour of the density profiles from a database of 300 Ohmic L- and H-mode, as well as electron cyclotron heating and ECCD discharges, is compared to predictions of models bas

If vibrationally excited molecules are discretised into individual species and proper account is taken of the toroidal geometry in simulating neutrals, some improvement can be made in simulating the anomalous detachment behaviour seen at the outer target of TCV single-null lower L-mode discharges. This contribution discusses the inclusion of these options into SOLPS5.0 (B2.5/Eirene) simulations of TCV discharges previously modelled with the SOLPS4.0 package, but demonstrates that current physics contained w

Alexey Zabolotskiy

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AXUV bolometer and Lyman-alpha camera systems on the TCV tokamak

Collisionality and shear dependences of density peaking in JET and extrapolation to ITER

Particle and impurity transport in the Axial Symmetric Divertor Experiment Upgrade and the Joint European Torus, experimental observations and theoretical understanding

Observation and empirical modelling of the anomalous particle pinch in TCV

Particle and impurity transport in ASDEX Upgrade and JET, experimental observations and theoretical understanding

The influence of molecular dynamics on divertor detachment in TCV

Particle and Impurity Transport in Electron-Heated Discharges in TCV

Density peaking in TCV and JET H-modes

Scaling of density peaking in JET H-modes

Carbon transport in TCV

Density peakign in TCV and JET H-modes

Particle and impurity transport in electron-heated discharges in TCV

Carbon impurity transport studies in the TCV tokamak using spatially resolvt ultrasoft X-ray spectroscopy

Particle Transport and Density Profile Behaviour in TCV

Density behavior during electron internal transport barriers in TCV fully non inductive discharges

Particle transport in tokamak plasmas

Carbon transport in TCV

Theoretical investigation of anomalous particle pinch and comparison with JET experimental results

Recent results from the EC heated plasmas in the TCV tokamak

Particle convection in TCV - two papers