1.7k citations
Counting papers with at most 25 authors, so collaboration author lists do not stand in for the people here.
- Centre National de la Recherche ScientifiqueFR28 papers
- National Research CouncilLK21 papers
- University of CalabriaIT20 papers
- Swedish Institute of Space PhysicsSE19 papers
- KTH Royal Institute of TechnologySE18 papers
- Gran Sasso Science InstituteIT12 papers
- Institute for Space Astrophysics and PlanetologyIT12 papers
- Istituto Nazionale di Fisica Nucleare, Laboratori Nazionali del Gran SassoIT12 papers
- Agenzia Spaziale ItalianaIT11 papers
- École PolytechniqueFR11 papers
- Imperial College LondonGB11 papers
- National Institute for AstrophysicsIT11 papers
34 papers · 1 filter
Plasma Mixing Driven by the Collisionless Kelvin-Helmholtz Instability: Insights from fully kinetic simulation and density-based diagnostics
Silvia Ferro, Fabio Bacchini, Giuseppe Arrò +2
Simulations and observations of the low-latitude magnetosphere-magnetosheath boundary layer indicate that the Kelvin-Helmholtz instability (KHI) drives vortex structures that enhan…
Wall damage due to oblique high velocity dust impacts
Panagiotis Tolias, Marco De Angeli, Dario Ripamonti +3
Runaway electron termination on plasma facing components can trigger material explosions that are accompanied by the expulsion of fast solid debris. Due to the large kinetic energi…
Three-dimensional boundary turbulence simulations of a RFX-mod plasma in the presence of voltage biasing
M. Giacomin, N. Vianello, R. Cavazzana +3
Three-dimensional turbulence simulations of a RFX-mod diverted plasma are performed in the presence of a biasing electrode. The simulations show a strong suppression of turbulent t…
Upgrade of the Diagnostic Neutral Beam Injector for the RFX-mod2 experiment
Marco Barbisan, Marco Boldrin, Luca Cinnirella +8
Diagnostic Neutral Beam Injectors (DNBI), through the combined use of Charge Exchange Recombination Spectroscopy (CHERS) and Motional Stark effect diagnostics (MSE), are a well-kno…
Access and sustainment of ELMy H-mode operation for ITER Pre-Fusion Power Operation plasmas using JINTRAC
E. Tholerus, L. Garzotti, V. Parail +15
In the initial stages of ITER operation, ELM mitigation systems need to be commissioned. This requires controlled flat-top operation in type-I ELMy H-mode regimes. Hydrogen or heli…
A study of an air-breathing electrodeless plasma thruster discharge
Jiewei Zhou, Francesco Taccogna, Pablo Fajardo +1
Plasma chemistry of main air components is implemented in a hybrid 2D axisymmetric simulation code to assess the air-breathing concept in an electrodeless plasma thruster. Relevant…
Numerical simulation of a helium Plasma-Material Interaction experiment in GyM linear device through SOLPS-ITER and ERO2.0 codes
F. Mombelli, G. Alberti, E. Tonello +6
Learning how to safely handle Plasma-Material Interaction (PMI) is a key challenge towards the commercialisation of energy from nuclear fusion. In this respect, linear plasma devic…
Cross-Calibration and First Vertical ECE Measurement of Electron Energy Distribution in the TCV Tokamak
A. Tema Biwole, L. Porte, A. Fasoli +8
This paper describes the first Vertical Electron Cyclotron Emission (V-ECE) measurement of non-thermal electron distributions in the \textit{Tokamak à Configuration Variable}, TCV.…
Outside and inside a magnetic island: different perspectives to describe the same observables
B. Momo, I. Predebon
We compare three different approaches to describe a magnetic island in a generic toroidal plasma: (i) perturbative, from the perspective of the equilibrium magnetic field and the r…
Normal high velocity solid dust impacts on tiles of tokamak-relevant temperature
Marco De Angeli, Panagiotis Tolias, Francisco Suzuki-Vidal +7
Runaway electron incidence on plasma facing components triggers explosive events that are accompanied by the expulsion of fast solid debris. Subsequent dust-wall high speed impacts…
Turbulence and particle energization in twisted flux ropes in solar-wind conditions
Oreste Pezzi, Domenico Trotta, Simone Benella +6
Context. The mechanisms regulating the transport and energization of charged particles in space and astrophysical plasmas are still debated. Plasma turbulence is known to be a powe…
Divertor shaping with neutral baffling as a solution to the tokamak power exhaust challenge
K. Verhaegh, J. R. Harrison, D. Moulton +20
Exhausting power from the hot fusion core to the plasma-facing components is one of the biggest challenges in fusion energy. The MAST Upgrade tokamak uniquely integrates strong con…
Integration studies of RF solid-state generators in the electrical system of NBTF experiments and ITER HNB
R. Casagrande, A. Maistrello, M. Recchia +5
SPIDER operation, started in 2018, pointed out performance-limiting issues caused by the technology employed in RF generators, based on tetrode free-running oscillators. One of the…
Spider Ion Source and Extraction Power Supplies -- An update of the design after four years of operation
A. Shepherd, M. Bigi, R. Casagrande +6
SPIDER, the ion source prototype for ITER neutral beam injectors, has been in operation since 2018. The experiment includes a system of Ion Source and Extraction Power Supplies (IS…
Partial Discharges detection in 1 MV power supplies in MITICA experiment, the ITER Heating Neutral Beam Injector prototype
Marco Boldrin, Mattia Dan, Vanni Toigo +11
MITICA (Megavolt ITER Injector & Concept Advancement), the full scale prototype of ITER Heating Neutral Beam, is under realization at the Neutral Beam Test Facility (Padova, Italy)…
Overview on electrical issues faced during the SPIDER experimental campaigns
Alberto Maistrello, Matteo Agostini, Marco Bigi +39
SPIDER is the full-scale prototype of the ion source of the ITER Heating Neutral Beam Injector, where negative ions of Hydrogen or Deuterium are produced by a RF generated plasma a…
Lessons learned after three years of SPIDER operation and the first MITICA integrated tests
D. Marcuzzi, V. Toigo, M. Boldrin +139
ITER envisages the use of two heating neutral beam injectors plus an optional one as part of the auxiliary heating and current drive system. The 16.5 MW expected neutral beam power…
Characterization of cesium and H-/D- density in the negative ion source SPIDER
Marco Barbisan, R. Agnello, L. Baldini +6
The Heating Neutral Beam Injectors (HNBs) for ITER will have to deliver 16.7 MW beams of H/D particles at 1 MeV energy. The beams will be produced from H-/D- ions, generated by a r…
Eulerian simulations of electrostatic waves in plasmas with a single sign of charge
S. Cristofaro, O. Pezzi, T. M. O'Neil +2
An Eulerian, numerical simulation is used to model the launching of plasma waves in a non-neutral plasma that is confined in a Penning-Malmberg trap. The waves are launched by appl…
Wall cratering upon high velocity normal dust impact
Panagiotis Tolias, Marco De Angeli, Dario Ripamonti +4
Dust-wall high speed impacts, triggered by the termination of runaway electrons on plasma facing components, constitute a source of erosion. Normal high velocity mechanical impacts…
Evidence for high-velocity solid dust generation induced by runaway electron impact in FTU
M. De Angeli, P. Tolias, S. Ratynskaia +11
Post-mortem and in-situ evidence is presented in favor of the generation of high-velocity solid dust during the explosion-like interaction of runaway electrons with metallic plasma…
Kinetic heating by Alfvén waves in magnetic shears
Fabio Bacchini, Francesco Pucci, Francesco Malara +1
With first-principles kinetic simulations, we show that a large-scale Alfvén wave (AW) propagating in an inhomogeneous background decays into kinetic Alfvén waves (KAWs), triggerin…
Energy-selective confinement of fusion-born alpha particles during internal relaxations in a tokamak plasma
Andreas Bierwage, Kouji Shinohara, Yevgen Kazakov +9
Long-pulse operation of a self-sustained fusion reactor using toroidal magnetic containment requires control over the content of alpha particles produced by D-T fusion reactions. O…
A possible link between turbulence and plasma heating
Emiliya Yordanova, Zoltán Vörös, Luca Sorriso-Valvo +2
Numerical simulations and experimental results have shown that current sheets formation in space plasmas can be associated with enhanced vorticity. Also, in simulations the generat…