The reversed field pinch

L Marrelli, P Martin, ME Puiatti, JS Sarff… - Nuclear …, 2021 - iopscience.iop.org
This paper reviews the research on the reversed field pinch (RFP) in the last three decades.
Substantial experimental and theoretical progress and transformational changes have been …

Experimental investigation of electron temperature dynamics of helical states in the RFX-Mod reversed field pinch

P Franz, M Gobbin, L Marrelli, A Ruzzon… - Nuclear …, 2013 - iopscience.iop.org
The study of electron temperature profiles of quasi-single helical states (QSH) in RFX-Mod
(and, in general, in other RFP machines) was carried out in the past mainly using Thomson …

Tearing mode velocity braking due to resonant magnetic perturbations

L Frassinetti, S Menmuir, KEJ Olofsson… - Nuclear …, 2012 - iopscience.iop.org
The effect of resonant magnetic perturbations (RMPs) on the tearing mode (TM) velocity is
studied in EXTRAP T2R. Experimental results show that the RMP produces TM braking until …

Spontaneous quasi single helicity regimes in EXTRAP T2R reversed-field pinch

L Frassinetti, PR Brunsell, JR Drake, S Menmuir… - Physics of …, 2007 - pubs.aip.org
In recent years, good progress toward a better understanding and control of the plasma
performance in reversed-field pinch devices has been made. These improvements consist …

[HTML][HTML] Topology during magnetic reconnection events in RFX-mod

P Porcu, G Spizzo, M Veranda, M Zuin, M Agostini… - Physics of …, 2024 - pubs.aip.org
This paper is devoted to the characterization of magnetohydrodynamics (MHD) tearing
modes causing plasma–wall interaction (PWI) in the Reversed-Field eXperiment (RFX-mod) …

Experiments and modelling of active quasi-single helicity regime generation in a reversed field pinch

L Frassinetti, PR Brunsell, JR Drake - Nuclear fusion, 2009 - iopscience.iop.org
The interaction of a static resonant magnetic perturbation (RMP) with a tearing mode (TM) is
becoming a relevant topic in fusion plasma physics. RMPs can be generated by active coils …

Equilibrium reconstruction method for self-organized plasmas on reversed field pinches with polarimeter-interferometer

Y HUANG, LIU Ke, MAO Wenzhe… - Plasma Science and …, 2024 - iopscience.iop.org
In the reversed field pinch (RFP), plasmas exhibit various self-organized states. Among
these, the three-dimensional (3D) helical state known as the" quasi-single-helical"(QSH) …

Compressibility effects in the dynamics of the reversed-field pinch

M Onofri, F Malara, P Veltri - Physical Review Letters, 2008 - APS
We study the reversed-field pinch through the numerical solution of the compressible
magnetohydrodynamic equations. Two cases are investigated: In the first case the pressure …

Effects of compressibility and heating in magnetohydrodynamics simulations of a reversed field pinch

M Onofri, F Malara, P Veltri - Physics of Plasmas, 2009 - pubs.aip.org
The reversed field pinch is studied using numerical simulations of the compressible
magnetohydrodynamics equations. Contrary to what has been done in previous works, the …

Quasi-single helicity state by a small positive pulse of toroidal magnetic field in TPE-RX reversed field pinch experiment

Y Hirano, H Koguchi, K Yambe, H Sakakita… - Physics of …, 2006 - pubs.aip.org
By applying a small positive pulse (Δ B ta) in toroidal magnetic field, the quasi-single helicity
(QSH) state can be obtained with a controllable and reproducible manner in a reversed-field …