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Related papers: Axial Confinement in the Novatron Mirror Machine

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A new magnetic mirror-cusp concept is described - the Novatron - with the potential to confine compact and stable fusion plasmas. Traditionally, the major challenges for open field line designs include MHD interchange modes, drift cyclotron…

A new linked mirror device for magnetic confinement experiment is proposed. The new linked mirror device consists of two straight magnetic mirrors connected by two half-torus. The structure of the configuration as a whole is three…

Plasma Physics · Physics 2021-09-01 Zhichen Feng , Guodong Yu , Peiyou Jiang , GuoYong Fu

Axial plugging is a critical challenge for fusion in open-ended magnetic confinement systems. Multi-mirror systems, consisting of a series of axially aligned magnetic mirrors, aim to enhance axial confinement by increasing the effective…

Plasma Physics · Physics 2026-03-09 Tal Miller , Eli Gudinetsky , Ilan Be'ery , Ido Barth

The Novatron is a fusion concept characterized by its axisymmetric mirror-cusp magnetic topology. The magnetic field exhibits good curvature and a high mirror ratio. Plasma equilibrium profiles for the Novatron are obtained by solving an…

Plasma Physics · Physics 2025-03-06 Kristoffer Lindvall , Rickard Holmberg , Katarina Bendtz , Jan Scheffel , Johan Lundberg

Centrifugal confinement fusion, a promising alternative to toroidal confinement devices like tokamaks and stellarators, leverages supersonic plasma rotation within a magnetic mirror configuration to achieve simplified coil design,…

Plasma Physics · Physics 2024-12-04 Yi-Min Huang

Advanced aneutronic fusion fuels such as proton-Boron$^{11}$ tend to require much higher temperatures than conventional fuels like deuterium-tritium. For electrons, the bulk plasma temperature can approach a substantial fraction of the rest…

Plasma Physics · Physics 2023-11-20 I. E. Ochs , V. R. Munirov , N. J. Fisch

Axial particle loss is one of the main challenges for fusion aimed, linear magnetic mirror plasma configurations. One way to mitigate this disadvantage and increase the confinement time is to use a multiple mirrors setup. The idea is to…

Plasma Physics · Physics 2022-03-15 Tal Miller , Ilan Be'ery , Ido Barth

The centrifugal mirror confinement scheme incorporates supersonic rotation into a magnetic mirror device, which stabilizes and heats the plasma. This concept is under investigation in the Centrifugal Mirror Fusion Experiment (CMFX) at the…

Magnetic confinement fusion reactors produce ash particles that must be removed for efficient operation. It is suggested to use autoresonance (a continuous phase-locking between anharmonic motion and a chirped drive) to remove the ash…

Plasma Physics · Physics 2025-05-01 Eli Gudinetsky , Tal Miller , Ilan Be'ery , Ido Barth

Particle dynamic in an axi-symmetric mirror machine with an extremely high plasma pressure equal to pressure of vacuum magnetic field (so-called regime of diamagnetic confinement) is investigated. Extrusion of magnetic field from central…

Plasma Physics · Physics 2025-12-08 Ivan Chernoshtanov

In a magnetic mirror fusion reactor, capturing the energy of fusion-produced alpha particles is essential to sustaining the reaction. However, since alpha particles are born at energies much higher than the confining potential, a…

Plasma Physics · Physics 2025-04-01 Alejandro Mesa Dame , Ian E. Ochs , Nathaniel J. Fisch

The confinement of heat in the core of a magnetic fusion reactor is optimised using a multidimensional optimisation algorithm. For the first time in such a study, the loss of heat due to turbulence is modelled at every stage using…

Plasma Physics · Physics 2018-10-24 E. G. Highcock , N. R. Mandell , M. Barnes , W. Dorland

The centrifugal mirror confinement scheme incorporates supersonic rotation of a plasma into a magnetic mirror device. This concept has been shown experimentally to drastically decrease parallel losses and increase plasma stability as…

Plasma Physics · Physics 2024-04-24 Nick R. Schwartz , Ian G. Abel , Adil B. Hassam , Myles Kelly , Carlos A. Romero-Talamas

This paper presents Hammir tandem mirror confinement performance analysis based on Realta Fusion's first-of-a-kind model for axisymmetric magnetic mirror fusion performance. This model uses an integrated end plug simulation model including,…

Strongly-shaped diverted negative triangularity (NT) plasmas in the DIII-D tokamak demonstrate simultaneous access to high normalized current, pressure, density, and confinement. NT plasmas are shown to exist across an expansive parameter…

We analyze a new mechanism for the creation and confinement of energetic electrons in a mirror-configuration plasma. A Fermi-Ulam-type process, driven by end-localized coherent electrostatic oscillations, provides axial acceleration while a…

Plasma Physics · Physics 2022-08-17 C. P. S. Swanson , S. A. Cohen , C. A. Galea

The fusion of deuterium (D) with tritium (T) is the most promising of the reactions that could power the thermonuclear reactors of the future. Already favored for its low activation energy and high yield, it may lead to even more efficient…

Nuclear Theory · Physics 2019-01-31 Guillaume Hupin , Sofia Quaglioni , Petr Navrátil

Magnetic confinement fusion researches are an approach to demonstrate the feasibility of nuclear fusion power for energy production. In these experiments, mega-watt range power Radio-Frequency waves, from tens of MHz to hundreds of GHz, are…

Plasma Physics · Physics 2017-10-11 Julien Hillairet , Marc Goniche , Nicolas Fil , Mohamed Belhaj , Jérôme Puech

There are two main methods of nulcear fusion: inertial confinement fusion (ICF) and magnetic confinement fusion (MCF). Existing thermonuclear reactors are very complex, expensive, large, and heavy. They cannot achieve the Lawson creterion.…

General Physics · Physics 2007-06-15 Alexander Bolonkin

This paper explores 4 different magnetic field topologies for application to spherical inertial confinement fusion implosions: axial, mirror, cusp and closed field lines. A mirror field is found to enhance the impact of magnetization over…

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