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A magnetic mirror, also known as a magnetic trap or sometimes as a pyrotron, is a type of magnetic confinement fusion device used in fusion power to trap high temperature plasma using magnetic fields. The mirror was one of the earliest major approaches to fusion power, along with the stellarator and z-pinch machines.
The magnetic mirror is among the simplest magnetic fusion energy machines in terms of physical complexity. It consists largely of a cylinder with powerful magnets at each end, although in practice the cylindrical part (technically, a solenoid) is lined with less powerful magnets to better shape the field.
One of the two yin-yang mirrors arrives at LLNL. The plasma was confined in the small area between the two magnets. Drawing of the MFTF building. The Mirror Fusion Test Facility, or MFTF, was an experimental magnetic confinement fusion device built using the tandem magnetic mirror design. It was, by far, the largest, most powerful and most ...
The Tandem Mirror Experiment (TMX and TMX-U) was a magnetic mirror machine operated from 1979 to 1987 at the Lawrence Livermore National Laboratory. [1] It was the first large-scale machine to test the "tandem mirror" concept in which two mirrors trapped a large volume of plasma between them in an effort to increase the efficiency of the reactor.
Given the relative permeability of a material can vary from around 250 for cobalt to around 5000 for soft iron and 7000 for silicon–iron, the choice of magnetic core can therefore have an important impact upon the strength of a magnetic lock. Also relevant is the choice of current, number of loops and effective length of the electromagnet.
Magnetic mirror dominates in low beta designs. Both ions and electrons are reflected from high to low density fields. This is known as the magnetic mirror effect. [11] The polywell's rings are arranged so the densest fields are on the outside, trapping electrons in the center. This can trap particles at low beta values.
The magnetic field varies along this tube. In the center the field is low; reaching (at most) 0.35 Teslas. The field rises to as high as 15 Teslas at the ends. [1] This change in the strength is needed to reflect the particles and get them internally trapped (see: the magnetic mirror effect).
Pages in category "Magnetic mirrors" The following 3 pages are in this category, out of 3 total. This list may not reflect recent changes. ...
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