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Theta pinch. The original Scylla was completed in 1958 and soon demonstrated the first controlled fusion reactions. The reaction chamber is the center of the white tube on the right. Theta-pinch, or θ-pinch, is a type of fusion power reactor design. The name refers to the configuration of currents used to confine the plasma fuel in the reactor ...
Magnetic confinement fusion (MCF) is an approach to generate thermonuclear fusion power that uses magnetic fields to confine fusion fuel in the form of a plasma. Magnetic confinement is one of two major branches of controlled fusion research, along with inertial confinement fusion. Fusion reactions for reactors usually combine light atomic ...
The resultant high-beta axisymmetric compact toroid is self-confined. A field-reversed configuration (FRC) is a type of plasma device studied as a means of producing nuclear fusion. It confines a plasma on closed magnetic field lines without a central penetration. [1][2] In an FRC, the plasma has the form of a self-stable torus, similar to a ...
Screw pinch – A combination of a Z-pinch and theta pinch [15] (also called a stabilized Z-pinch, or θ-Z pinch) [16] [17] Reversed field pinch or toroidal pinch – This is a Z-pinch arranged in the shape of a torus. The plasma has an internal magnetic field. As distance increases from the center of this ring, the magnetic field reverses ...
The rings in the centre extend the confinement volume horizontally, but are not strictly needed and are not found on many mirror machines. 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 STX was motivated by a discovery from an unrelated experiment; a few years previously, the Large-S Experiment (LSX) had demonstrated the existence of a kinetically stabilized parameter regime which appeared advantageous for a fusion reactor. However, the LSX experiment formed FRCs in a power-hungry, violent way called a theta-pinch.
The Z-pinch is an application of the Lorentz force, in which a current-carrying conductor in a magnetic field experiences a force. One example of the Lorentz force is that, if two parallel wires are carrying current in the same direction, the wires will be pulled toward each other. In a Z-pinch machine the wires are replaced by a plasma, which ...
Linus (fusion experiment) The Linus program [a] was an experimental fusion power project developed by the United States Naval Research Laboratory (NRL) starting in 1971. [2] The goal of the project was to produce a controlled fusion reaction by compressing plasma inside a metal liner. The basic concept is today known as magnetized target fusion.