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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, arranged to run around a cylinder in the direction normally denoted as theta in polar coordinate diagrams.
A current-driven toroidal Z-pinch in a krypton plasma. A pinch (or: Bennett pinch[2] (after Willard Harrison Bennett), electromagnetic pinch, [3] magnetic pinch, [4] pinch effect, [5] or plasma pinch. [6]) is the compression of an electrically conducting filament by magnetic forces, or a device that does such. The conductor is usually a plasma ...
The Sandia Laboratories Z-IFE project [37] aims to solve the practical difficulties in harnessing fusion power. Major problems include producing energy in a single Z-pinch shot, and quickly reloading the reactor after each shot. By their early estimates, an implosion of a fuel capsule every 10 seconds could economically produce 300 MW of fusion energy.
The FRC was first observed in laboratories in the late 1950s during theta pinch experiments with a reversed background magnetic field. [3] The original idea was attributed to the Greek scientist and engineer Nicholas C. Christofilos who developed the concept of E-layers for the Astron fusion reactor.
List of fusion experiments. Target chamber of the Shiva laser, used for inertial confinement fusion experiments from 1978 until decommissioned in 1981. Plasma chamber of TFTR, used for magnetic confinement fusion experiments, which produced 11 MW of fusion power in 1994. Experiments directed toward developing fusion power are invariably done ...
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 .
In fusion power research, the Z-pinch (zeta pinch) is a type of plasma confinement system that uses an electric current in the plasma to generate a magnetic field that compresses it (see pinch).
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 ...