4.5 Article

Start of experiments in the design configuration of the GOL-NB multiple-mirror trap

Journal

NUCLEAR FUSION
Volume 62, Issue 8, Pages -

Publisher

IOP Publishing Ltd
DOI: 10.1088/1741-4326/ac69fa

Keywords

open trap; multiple-mirror; GOL-NB; NBI

Funding

  1. Ministry of Science and Higher Education of the Russian Federation
  2. Russian Science Foundation [21-12-00133]
  3. Russian Science Foundation [21-12-00133] Funding Source: Russian Science Foundation

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This paper introduces the concept of multiple-mirror confinement and discusses the development and preliminary experimental results of the GOL-NB multiple-mirror experiment. The results show a cautiously optimistic attitude towards the expected device performance.
A multiple-mirror confinement is an alternative concept in fusion energy development that improves the particle and energy confinement times in open traps (linear magnetic systems). The paper discusses the development progress of the GOL-NB multiple-mirror experiment that was recently commissioned at BINP. The reference description of the GOL-NB hardware is presented. Properties of a low-temperature start plasma are discussed. The first results from test experiments with injection of one 25 keV neutral beam are shown. Methods of plasma stabilization in the non-min-B configuration are discussed. In general, the ongoing commissioning progress and results of the preliminary experiments are modestly optimistic for the expected device performance.

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