G. Arnoux

Details der Publikationsliste

Zeitraum

2002 - 2009

Anzahl

86

Co-Autoren

Observation of confined current ribbon in JET plasmas (2009)

Solano, E. R., Lomas, P. J., Alper, B., Xu, G. S., Andrew, Y., Arnoux, G., ...

we report the identification of a localised current structure inside the JET plasma. It is a field aligned closed helical ribbon, carrying current in the same direction as the background current...

Plasma dynamics with second and third-harmonic ECRH and access to quasi-stationary ELM-free H-mode on TCV (2007)

Porte, L., Coda, S., Alberti, S., Arnoux, G., Blanchard, P., Bortolon, A., ...

Intense electron cyclotron resonance heating (ECRH) and electron cyclotron current drive (ECCD) are employed on the Tokamak a Configuration Variable (TCV) both in second- and third-harmonic X-mode...

Current profile tailoring using localized electron cyclotron heating in highly elongated TCV plasmas (2007)

Camenen, Y., Hofmann, Y. C. F., Pochelon, A., Scarabosio, A., Alberti, S., Arnoux, G., ...

Radially localized electron cyclotron heating (ECH) at the 2nd harmonic (X2) is used to tailor the current profile through the modification of the temperature, and hence conductivity, profiles. The...

Active control of type-I edge-localized modes with n=1 perturbation fields in the JET tokamak (2007)

Liang, Y., Koslowski, H. R., Thomas, P. R., Nardon, E., Alper, B., Andrew, P., ...

Type-I edge-localized modes (ELMs) have been mitigated at the JET tokamak using a static external n=1 perturbation field generated by four error field correction coils located far from the plasma....

Active control of type-I edge localized modes on JET (2007)

Liang, Y., Koslowski, H. R., Thomas, P. R., Nardon, E., Jachmich, S., Alper, B., ...

The operational domain for active control of type-I edge localized modes (ELMs) with an n = 1 external magnetic perturbation field induced by the ex-vessel error field correction coils on JET has...

The effect of ECRH on the electron velocity distribution function (2006)

Coda, S., Klimanov, I., Alberti, S., Arnoux, G., Blanchard, P., Fasoli, A.

Electron cyclotron resonance heating (ECRH) is a mature technology that has progressed constantly over a period of forty years, particularly as a tool in magnetic confinement fusion. As with other...

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...

Third harmonic X-mode absorption in a top-launch configuration on the TCV tokamak (2005)

Arnoux, G., Alberti, S., Porte, L., Nelson-Melby, E., Hogge, J. P.

In addition to the second harmonic X-mode (X2) electron cyclotron heating (ECH), the TCV ECH system has been completed with three 450 kW gyrotrons operating at the frequency of 118 GHz for third...

Third-harmonic, top-launch, ECRH experiments on TCV tokamak (2005)

Alberti, S., Arnoux, G., Porte, L., Hogge, J. P., Marletaz, B., Marmillod, P., ...

In the moderate magnetic field of TCV (1.5 T), the recently installed X3 system (3 gyrotrons, 118 GHz, 0.45 MW each, 2 s) broadens the operational space with the possibility of heating plasmas at...

Third-harmonic X-mode, real-time controlled top-launch ECW experiments on TCV Tokamak (2005)

Alberti, S., Arnoux, G, Porte, L, Bortolon, A, Karpushov, A, Martin, Y, ...

In the moderate magneticfield of TCV (1.5T), the recently installed X3 system (3 gyrotrons @118 GHz, 0.45 MW/each, 2s) broadens the operational space with the possibility of heating plasmas at high...

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...

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...

Preliminary results of top launch third harmonic X-mode electron cyclotron heating in the TCV tokamak (2003)

Hogge, J. P., Alberti, S., Porte, L., Arnoux, G.

The electron cyclotron heating (ECH) system in TCV has recently been upgraded to a total of 4.5 MW of installed power. In order to extend the density range of ECH-heated plasmas up to electron...

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...

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...