L. Fattorini

Tomography of a simply magnetized toroidal plasma

R Barni, Stefano Caldirola, L. Fattorini, C. ̃Riccardi

Optical emission spectroscopy is a passive diagnostic technique, which does not perturb the plasma state. In particular, in a hydrogen plasma, Balmer-alpha (H α ) emission can be easily measured in the visible range along a line of sight from outside the …

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X-mode raw data analysis of the new AUG ICRF antenna edge density profile reflectometer

D. Aguiam, ALEXANDRE AUGUSTO ANDRADE DA SILVA, Volodymyr Bobkov, P. J. Carvalho et autres

The new multichannel X-mode reflectometer installed on ASDEX Upgrade measures the plasma density profile evolution at different positions in front of the ICRF antenna. The reflectometer operates in the extended U-band (40–68 GHz) microwave region, measuring density profiles up to 2 × …

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The different evolution of plasma density voids and blobs in the edge region of a simply magnetized toroidal plasma

R Barni, Stefano Caldirola, L. Fattorini, C. ̃Riccardi

The analysis of the anomalous transport in magnetised plasmas has pointed out the substantial contribution of intermittent burst events corresponding to positive density fluctuations propagating outwards to the edges of the devices. Much less attention was paid to negative density fluctuation structures, …

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X-mode raw data analysis for edge density profile measurements using the new ICRF antenna reflectometer on ASDEX Upgrade

D. Aguiam, A. Silva, Volodymyr Bobkov, P. J. Carvalho et autres

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Realization, Installation And Testing Of The Multichannel Reflectometer's Transmission Lines At Icrf Antenna In Asdex Upgrade

Ocleto D’Arcangelo, Onofrio Tudisco, Silvio Ceccuzzi, Helmut Fuenfgelder et autres

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Implementation of the new multichannel X-mode edge density profile reflectometer for the ICRF antenna on ASDEX Upgrade

D. Aguiam, ALEXANDRE AUGUSTO ANDRADE DA SILVA, Volodymyr Bobkov, P. J. Carvalho et autres

A new multichannel frequency modulated continuous-wave reflectometry diagnostic has been successfully installed and commissioned on ASDEX Upgrade to measure the plasma edge electron density profile evolution in front of the Ion Cyclotron Range of Frequencies (ICRF) antenna. The design of the new …

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Design, laboratory characterization and installation of the multichannel reflectometer's transmission lines at ICRF antenna in Asdex Upgrade

Ocleto D’Arcangelo, Onofrio Tudisco, Silvio Ceccuzzi, H. Fünfgelder et autres

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Aerodynamic Performance of a Very-High-Lift Low-Pressure Turbine Airfoil (T106C) at Low Reynolds and High Mach Number Including the Effect of Incoming Periodic Wakes

Julien Clinckemaillie, L. Fattorini, T. Fontani, C. Nuyts et autres

A detailed analysis of the effect of incoming periodic wakes on the aerodynamic performance of a very-high-lift, mid-loaded low-pressure turbine airfoil (T106C) is presented. This experimental study was performed on a large scale linear cascade in the VKI S-1/C transonic wind tunnel, …

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Realization, installation and testing of the multichannel reflectometer’s transmission lines at ICRF antenna in Asdex Upgrade

Ocleto D’Arcangelo, Onofrio Tudisco, Silvio Ceccuzzi, H. Fünfgelder et autres

de (code pays fourni par la source)

Coherent Structures of Plasma Density in a Simply Magnetized Torus

L. Fattorini, R Barni, Stefano Caldirola, C. ̃Riccardi

The formation of plasma coherent structures in a turbulent magnetized plasma has been studied by means of the conditional sampling technique. Experiments have been performed in a simply magnetized torus configuration. Images show the spatiotemporal evolution of plasma density structures during their …

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Turbulent transport in a toroidal magnetized plasma

L. Fattorini, Åshild Fredriksen, Hans László Pécseli, C. ̃Riccardi et autres

Turbulent plasma transport due to low-frequency electrostatic fluctuations in a toroidal plasma is studied experimentally. The data are obtained in a magnetized toroidal plasma with no toroidal transform. The plasma is generated by a discharge from a hot electron emitting filament and …

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Overview of ASDEX Upgrade results

A. Kallenbach, Jiřı́ Adámek, L. Aho-Mantila, S. Äkäslompolo et autres

The ASDEX Upgrade programme is directed towards physics input to critical elements of the ITER design and the preparation of ITER operation, as well as addressing physics issues for a future DEMO design. After the finalization of the tungsten coating of the …

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