Symmetry in Plasma Physics and Thermonuclear Fusion

A special issue of Symmetry (ISSN 2073-8994). This special issue belongs to the section "Physics".

Deadline for manuscript submissions: closed (15 June 2022) | Viewed by 1636

Special Issue Editor

Departamento de Física, Universidad Carlos III de Madrid, Madrid 28005, Spain
Interests: plasmas physics; thermonuclear fusion

Special Issue Information

Dear Colleagues,

After Emmy Noether's deep insight, symmetry has been one of the most basic and prolific concepts in the development of physics in the last century. The conservation properties associated with symmetries are routinely used in plasma physics and thermonuclear controlled fusion, which allows for quite some theoretical simplifications and the design and operation of experimental fusion devices with the desired properties. However, perfect symmetry is rarely found, and doubts arise about the validity of these approaches, and about whether it is possible to find theoretical treatments for quasi-symmetric conditions that aid in the design of experimental confining devices that can provide our society with a safe, clean, abundant, efficient, and reliable energy source for the generations to come.

Prof. Dr. Victor Tribaldos
Guest Editor

Manuscript Submission Information

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Keywords

  • Symmetry
  • plasma physics
  • thermonuclear fusion
  • Quasi-symmetry
  • magnetic confinement
  • inertial confinement
  • Tokamak
  • Stellarator

Published Papers (1 paper)

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Research

9 pages, 1360 KiB  
Article
Development of an Interactive Code for Quick Data Analyses between STOR-M Tokamak Experimental Plasma Discharges
by Masaru Nakajima, Debjyoti Basu, Alexander V. Melnikov, David McColl and Chijin Xiao
Symmetry 2022, 14(8), 1559; https://doi.org/10.3390/sym14081559 - 28 Jul 2022
Viewed by 991
Abstract
Saskatchewan Torus-Modified (STOR-M) is a small tokamak, well known for various fusion-related basic experimental studies such as edge turbulent heating, different instabilities, Alternating Current (AC) tokamak operation, Ohmic H-mode triggering by the electrode biasing, fueling and momentum injection by Compact Torus (CT) injection, [...] Read more.
Saskatchewan Torus-Modified (STOR-M) is a small tokamak, well known for various fusion-related basic experimental studies such as edge turbulent heating, different instabilities, Alternating Current (AC) tokamak operation, Ohmic H-mode triggering by the electrode biasing, fueling and momentum injection by Compact Torus (CT) injection, and the effects of Resonance Magnetic Perturbations (RMPs), among others. Some of those experiments require real-time visualization of magnetic surface reconstructions either through EFIT or quick analyses and visualization of experimental data during experiments. Recently, experimental studies of Geodesic Acoustic Mode (GAM) and zonal flows were performed in the STOR-M tokamak. The GAM experiments strongly require the collection of fluctuation data from different Langmuir probes installed at different poloidal locations, but on the same magnetic surfaces. This is requires the adjustment of radial locations between discharges. It is therefore important to analyze and visualize the features of all probe data quickly during discharges. For this purpose, a Python code was developed and used for quick analysis of the data. This article describes the development of the code using Python and its use in detail. Full article
(This article belongs to the Special Issue Symmetry in Plasma Physics and Thermonuclear Fusion)
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