A. Zabolotsky

Details der Publikationsliste

Zeitraum

2000 - 2007

Anzahl

85

Co-Autoren

Particle and impurity transport in the Axial Symmetric Divertor Experiment Upgrade and the Joint European Torus, experimental observations and theoretical understanding - art. no. 055905 (2007)

Angioni, C., Carraro, L., Dannert, T., Dubuit, N., Dux, R., Fuchs, C., ...

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...

Particle and impurity transport in the Axial Symmetric Divertor Experiment Upgrade and the Joint European Torus, experimental observations and theoretical understanding (2007)

Angioni, C., Carraro, L., Dannert, T., Dubuit, N., Dux, R., Fuchs, C., ...

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...

Influence of particle sources on electron density peaking in TCV and JET (2006)

Zabolotsky, A., Weisen, H., Karpushov, A.

Calculations of the particle flux caused by neutrals originating from the edge are performed for TCV and JET using the one-dimensional kinetic transport code Kn1D. The analysis, confirmed by...

Density profile peaking in the presence of ECRH heating in TCV (2006)

Zabolotsky, A., Weisen, H.

Experimental observations in stationary ECRH discharges in TCV show that additional heating has a strong effect on the electron density profile. In the absence of MHD activity or strong internal...

Scaling of density peaking in JET H-modes and implications for ITER (2006)

Weisen, H., Zabolotsky, A., Maslov, M., Beurskens, M., Giroud, C., Mazon, D.

Results from an extensive profile database analysis of JET density profiles in H-mode show that the density peaking factor n(e0)/ < n(e) > in JET H-modes increases as the effective collisionality...

Inward thermodiffusive particle pinch in electron internal transport barriers in TCV (2006)

Fable, E., Sauter, O., Coda, S., Goodman, T. P., Henderson, M. A., Weisen, H., ...

Electron internal transport barriers (eITBs) are obtained in TCV with different heating and current drive schemes. They are sustained in steady-state conditions for several energy confinement and...

Collisionality and shear dependences of density peaking in JET and extrapolation to ITER (2005)

Weisen, H., Zabolotsky, A., Angioni, C., Furno, I., Garbet, X., Giroud, C., ...

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...

Safety factor profile requirements for electron ITB formation in TCV (2005)

Goodman, T. P., Behn, R., Camenen, Y., Coda, S., Fable, E., Henderson, M. A., ...

On the Tokamak a Configuration Variable (TCV), electron internal transport barriers (eITBs) can be formed during a gradual evolution from a centrally peaked to a hollow current profile while all...

A new method for the inversion of interferometry data using basis functions derived from singular value decomposition of local measurements in tokamak plasmas (2005)

Furno, I., Weisen, H., Carey, C., Angioni, C., Behn, R., Fable, E., ...

A novel method for inverting time-resolved line-integrated interferometric plasma density measurements is described. The method uses singular value decomposition of local density profiles from...

Tritium transport experiments on the JET tokamak (2004)

Zastrow, K. D., Adams, J. M., Baranov, Y., Belo, P., Bertalot, L., Brzozowski, J. H., ...

An overview is given of the experimental method, the analysis technique and the results for trace tritium experiments conducted on the JET tokamak in 2003. Observations associated with events such as...

The influence of molecular dynamics on divertor detachment in TCV (2004)

Wischmeier, M., Pitts, R. A., Alfier, A., Andrebe, Y., Behn, R., Coster, D., ...

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...

Shear and collisionality dependences of particle pinch in JET L-mode plasmas (2004)

Weisen, H., Zabolotsky, A., Garbet, X., Mazon, X., Zabeo, L., Giroud, C., ...

The peakedness of the density profile in source-free MHD-quiescent L-mode plasmas with lower hybrid current drive is observed to decrease with decreasing peaking of the current profile. For the...

Ultrasoft x-ray spectroscopy using multilayer mirrors on TCV (2004)

Piffl, V., Weisen, H., Zabolotsky, A.

The TCV tokamak is equipped with a four-channel ultrasoft x-ray monochromator allowing low resolution (lambda/Deltalambda similar to 30) measurements in the energy range 200-800eV. Its main purpose...

Physics of transport in tokamaks (2004)

Garbet, X., Mantica, P., Angioni, C., Asp, E., Baranov, Y., Bourdelle, C., ...

This paper is an overview of recent results relating to turbulent particle and heat transport, and to the triggering of internal transport barriers (ITBs). The dependence of the turbulent particle...

AXUV bolometer and Lyman-alpha camera systems on the TCV tokamak (2004)

Degeling, A. W., Weisen, H., Zabolotsky, A., Duval, B. P., Pitts, R. A., Wischmeier, M., ...

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...

INSTITUTE OF PHYSICS PUBLISHING PLASMA PHYSICS AND CONTROLLED FUSION (2004)

I Furno, H Weisen, C Carey, C Angioni, R Behn, E Fable, ...

A new method for the inversion of interferometry data using basis functions derived from singular value decomposition of local measurements in tokamak plasmas

Physics of Transport in Tokamaks (2004)

Garbet, X., Mantica, P., Angioni, C., Asp, E., Baranov, Y., Bourdelle, C., ...

Plasma Physics and Controlled Fusion Vol.46 Nr.12B, B557 - B574

Recent results from the electron cyclotron heated plasmas in Tokamak à Configuration Variable (TCV) (2003)

Henderson,M. A., Alberti,S., Angioni,C., Arnoux,G., Behn,R., Blanchard,P., ...

In noninductively driven discharges, 0.9 MW second harmonic (X2) off-axis co-electron cyclotron current drive deposition is combined with 0.45 MW X2 central heating to create an electron internal...

An overview of recent results from the TCV Tokamak (2003)

Goodman,T. P., Ahmed,S. M., Alberti,S., Andrèbe,Y., Angioni,C., Appert,K., ...

The TCV tokamak ( R = 0.88 m, κ = 2.5, are produced at low normalized current using far off-axis EC heating (ECH) and ECCD to broaden the current profile. Third harmonic heating is used to heat the...

Recent results from the electron cyclotron heated plasmas in Tokamak à Configuration Variable (TCV) (2003)

Henderson, M. A., Alberti, S., Angioni, C., Arnoux, G., Behn, R., Blanchard, P., ...

In noninductively driven discharges, 0.9 MW second harmonic (X2) off-axis co-electron cyclotron current drive deposition is combined with 0.45 MW X2 central heating to create an electron internal...

An overview of recent results from the TCV Tokamak (2003)

Goodman, T. P., Ahmed, S. M., Alberti, S., Andrèbe, Y., Angioni, C., Appert, K., ...

The TCV tokamak ( R = 0.88 m, κ = 2.5, are produced at low normalized current using far off-axis EC heating (ECH) and ECCD to broaden the current profile. Third harmonic heating is used to heat the...

Observation and empirical modelling of the anomalous particle pinch in TCV (2003)

Zabolotsky, A., Weisen, H.

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...

Accessibility and properties of ELMy H-mode and ITB plasmas in TCV (2003)

Martin, Y. R., Henderson, M. A., Alberti, S., Amorim, P., Andrebe, Y., Appert, K., ...

This paper presents experimental results on the accessibility and the properties of plasmas with improved confinement in TCV. First, the H-mode threshold power is measured in Ohmic plasmas. Above an...

Recent results from the electron cyclotron heated plasmas in Tokamak a Configuration Variable (TCV) (2003)

Henderson, M. A., Alberti, S., Angioni, C., Arnoux, G., Behn, R., Blanchard, P., ...

In noninductively driven discharges, 0.9 MW second harmonic (X2) off-axis co-electron cyclotron current drive deposition is combined with 0.45 MW X2 central heating to create an electron internal...

An overview of results from the TCV tokamak (2003)

Goodman, T. P., Ahmed, S. M., Alberti, S., Andrebe, Y., Angioni, C., Appert, K., ...

The Tokamak Configuration Variable (TCV) tokamak (R = 0.88 m, a < 0.25 m, B < 1.54 T) programme is based on flexible plasma shaping and heating for studies of confinement, transport, control and...

Shape dependence of sawtooth inversion radii and profile peaking factors in TCV L mode plasmas (2002)

Weisen, H., Furno, I., Alberti, S., Angioni, C., Appert, K., Behn, R., ...

Sawtooth inversion radii and profile peaking factors of a large variety of ohmic and ECH heated L mode plasmas, including, elongations up to 2.6 and triangularities between -0.5 and 0.75, have been...

ECH physics and new operational regimes on TCV (2002)

Moret, J. M., Ahmed, S. M., Alberti, S., Andrebe, Y., Appert, K., Arnoux, G., ...

The physics of tokamak plasmas, in which electrons are heated by electron cyclotron heating (ECH) and whose current is driven by electron cyclotron current drive (ECCD), is investigated in this paper...

Overview of TCV results (2001)

Weisen, H., Alberti, S., Angioni, C., Appert, K., Bakos, J., Behn, R., ...

The TCV tokamak (R = 0.88 in, a < 0.25 in, BT < 1.54 T) is equipped with six 0.5 MW gyrotron sources operating at 82.7 GHz for second harmonic X mode ECH. By distributing the ECCD current sources...

Steady-state fully noninductive operation with electron cyclotron current drive and current profile control in the tokamak a configuration variable (TCV) (2001)

Sauter, O., Angioni, C., Coda, S., Gomez, P., Goodman, T. P., Henderson, M. A., ...

Fully noninductive, steady-state electron cyclotron current drive (ECCD) has been demonstrated for the first time in experiments carried out in the tokamak a configuration variable (TCV) [O. Sauter ,...

Stability and energy confinement of highly elongated plasmas in TCV (2001)

Hofmann, F., Behn, R., Coda, S., Goodman, T. P., Henderson, M., Lavanchy, P., ...

The operating space of the TCV tokamak has been extended to higher elongation, kappa = 2.8, and higher normalized current, I-N = I-p/aB = 3.6MA/mT, than were previously attainable. This has been...

High-power ECH and fully non-inductive operation with ECCD in the TCV tokamak (2000)

Coda, S., Goodman, T. P., Henderson, M. A., Hofmann, F., Pietrzyk, Z. A., Sauter, O., ...

Experiments with high-power electron cyclotron heating (ECH) and current drive (ECCD) in the TCV tokamak are discussed. Power up to 2.7 MW from six gyrotrons is delivered to the tokamak at the...