Direct observation of current in type I ELM filaments on Asdex Upgrade (2009)
Vianello, N., Naulin, V., Schrittwieser, R., Muller, H. W., Zuin, M., Ionita, C., ...
Magnetically confined plasmas are often subject to relaxation oscillations accompanied by large transport events. This is particularly the case for the high confinement regime of tokamaks where these...
Resistive g-modes in a reversed field pinch plasma (2009)
Zuin, M., Spagnolo, S., Paccagnella, R., Martines, E., Cavazzana, R., Serianni, G., ...
First direct experimental evidence of high frequency, high toroidal mode number (n>20), magnetic fluctuations due to unstable resistive interchange modes (g-modes) resonant in the edge region of a...
Drift-Alfven vortex structures in the edge region of a fusion relevant plasma (2009)
Vianello, N., Spolaore, M., Martines, E., Cavazzana, R., Serianni, G., Zuin, M., ...
Edge turbulent structures are commonly observed in fusion devices and are generally believed to be responsible for confinement degradation. Among their origin Drift-Alfven turbulence is one of the...
On the statistics of edge fluctuations: comparative study between various fusion devices (2009)
Sattin, F., Agostini, M., Scarin, P., Vianello, N., Cavazzana, R., Marrelli, L., ...
In this paper we present a statistical study of edge fluctuations taken with the Gas Puffing Imaging (GPI) diagnostics. We carry out a comparison of GPI signal from an extensive database including...
Sattin, F., Agostini, M., Cavazzana, R., Serianni, G., Scarin, P., Vianello, N.
In this work we investigate the origin of the parabolic relation between skewness and kurtosis often encountered in the analysis of experimental time-series. We argue that the numerical values of the...
Overview of RF-mod results (2009)
Martin, P., Apolloni, L., Puiatti, M. E., Adamek, J., Agostini, M., Alfier, A., ...
Local electromagnetic characterization of type I ELMS on ASDEX Upgrade (2009)
Vianello, N., Schrittwieser, R., Naulin, V., Müller, H. W., Zuin, M., Ionita, C., ...
Local electromagnetic characterization of type I ELMS on ASDEX Upgrade (2009)
Vianello, N., Schrittwieser, R., Naulin, V., Müller, H. W., Zuin, M., Ionita, C., ...
1 RFX: new tools for real-time MHD control FT/P7-9 (2008)
F. Gnesotto, A. Luchetta, G. Marchiori, R. Piovan, P. Sonato, A. Alfier, ...
Abstract. RFX has been recently modified to improve its capability of controlling different MHD phenomena by means of fast, feedback controlled amplifiers and distributed radial field inductors. The...
High current regimes in RFX-mod (2008)
Valisa, M., Bolzonella, T., Buratti, P., Carraro, L., Cavazzana, R., Dal Bello, S., ...
Statistical features of edge turbulence in RFX-mod from Gas Puffing Imaging (2006)
Sattin, F., Scarin, P., Agostini, M., Cavazzana, R., Serianni, G., Spolaore, M., ...
Plasma density fluctuations in the edge plasma of the RFX-mod device are measured through the Gas Puffing Imaging Diagnostics. Statistical features of the signal are quantified in terms of the...
Coherent structures and anomalous transport in reversed field pinch plasmas (2005)
V Antoni, J R Drake, E Spada, M Spolaore, N Vianello, H Bergsåker, ...
The results leading to the identification of coherent structures emerging from the background turbulence in the edge region of the reversed field pinch experiments EXTRAP-T2R and RFX are reviewed....
Antoni, V., Spolaore, M., Vianello, N., Cavazzana, R., Martines, E.
Coherent structures are observed to emerge from turbulence background in the edge region of plasmas confined in Reversed Field Pinch configurations. These structures have features reminiscent of...
To what extent can dynamical models describe statistical features of turbulent flows? (2002)
Carbone, V., Cavazzana, R., Antoni, V., Sorriso-Valvo, L., Spada, E., Regnoli, G., ...
Statistical features of "bursty" behaviour in charged and neutral fluid turbulence, are compared to statistics of intermittent events in a GOY shell model, and avalanches in different models of Self...
Transport Processes in Reversed-Field-Pinch Plasmas (2001)
Antoni, V., Carbone, V., Cavazzana, R., Regnoli, G., Vianello, N.
Search of Self-Organized Criticality Processes in Magnetically Confined Plasmas (2001)
Carbone, V., Cavazzana, R., Fattorini, L., Regnoli, G., Spada, E.
Simultaneous measurements of electro-static and magnetic fluctuations in ASDEX Upgrade edge plasma
Ionata, C., Mehlmann, F., Balan, P. C., Schrittwieser, R. W., Lupu, C., Müller, H. W., ...
Local electromagnetic characterization of type I ELMs on ASDEX Upgrade
Vianello, N., Schrittwieser, R., Naulin, V., Müller, H. W., Zuin, M., Ionita, C., ...
Current filaments in turbulent magnetized plasmas
Martines, E., Vianello, N., Sundkvist, D., Spolaore, M., Zuin, M., Agostini, M., ...
Characterization of type I ELM on ASDEX Upgrade using magnetic signals
Vianello, N., Naulin, V., Schrittwieser, R., Müller, H. W., Zuin, M., Ionita, C., ...