Magnetic self organization, MHD active control and confinement in RFX-mod

L Marrelli, P Zanca, M Valisa, G Marchiori… - Plasma Physics and …, 2007 - iopscience.iop.org
RFX-mod is a reversed field pinch (RFP) experiment equipped with a system that actively
controls the magnetic boundary. In this paper we describe the results of a new control …

Chapter 5: Passive spectroscopic diagnostics for magnetically confined fusion plasmas

BC Stratton, M Bitter, KW Hill, DL Hillis… - Fusion Science and …, 2008 - Taylor & Francis
Spectroscopy of radiation emitted by impurities and hydrogen isotopes plays an important
role in the study of magnetically confined fusion plasmas, both in determining the effects of …

A compact flat-response x-ray detector for the radiation flux in the range from 1.6 keV to 4.4 keV

L Guo, S Li, J Zheng, Z Li, D Yang, H Du… - Measurement …, 2012 - iopscience.iop.org
A band-pass flat-response x-ray detector is designed to measure the absolute M-band x-ray
flux. The detector comprises an x-ray diode and a compound filter that is carefully designed …

Tangential extreme ultraviolet and soft x-ray diagnostic system for time-resolved temperature measurement on the High Beta Tokamak-Extended Pulse

B Li, JP Levesque, Y Wei, A Saperstein… - Review of Scientific …, 2023 - pubs.aip.org
The High Beta Tokamak-Extended Pulse has recently incorporated a tangential multi-energy
extreme ultraviolet and soft x-ray diagnostic system. This system enables measurements of …

Electron temperature profile reconstructions from multi-energy SXR measurements using neural networks

DJ Clayton, K Tritz, D Stutman, RE Bell… - Plasma Physics and …, 2013 - iopscience.iop.org
Neural networks have been implemented to reconstruct electron temperature profiles from
multi-energy soft-x-ray (ME-SXR) arrays and other plasma diagnostics with fast time …

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 …

A 'multi-colour'SXR diagnostic for time and space-resolved measurements of electron temperature, MHD activity and particle transport in MCF plasmas

LF Delgado-Aparicio, D Stutman, K Tritz… - Plasma Physics and …, 2007 - iopscience.iop.org
Abstract A fast (⩽ 0.1 ms) and compact'multi-colour'soft x-ray array has been developed for
time and space-resolved electron temperature (T e) measurements in magnetically confined …

Interaction of external n= 1 magnetic fields with the sawtooth instability in low-q RFX-mod and DIII-D tokamaks

C Piron, P Martin, D Bonfiglio, J Hanson… - Nuclear …, 2016 - iopscience.iop.org
External n= 1 magnetic fields are applied in RFX-mod and DIII-D low safety factor Tokamak
plasmas to investigate their interaction with the internal MHD dynamics and in particular with …

Study of the scaling of magnetic fluctuations in the RFX reversed field pinch1

D Terranova, T Bolzonella, S Cappello… - Plasma physics and …, 2000 - iopscience.iop.org
The scaling of magnetic fluctuations with the Lundquist number (S) is studied in the RFX
reversed field pinch (RFP) device for different operational regimes. For the first time in a RFP …

Enhanced confinement and quasi-single-helicity regimes induced by poloidal current drive

D Terranova, A Alfier, F Bonomo, P Franz, P Innocente… - Physical review …, 2007 - APS
Enhanced confinement regimes with quasihelical symmetry are reproducibly obtained in the
modified reversed field pinch eXperiment (RFX)-mod by reducing the level of internal chaos …