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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.
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). These systems were originally referred to simply as pinch or Bennett pinch (after Willard Harrison Bennett ), but the introduction of the θ-pinch ...
Toroidal machines can be axially symmetric, like the tokamak and the reversed field pinch (RFP), or asymmetric, like the stellarator.The additional degree of freedom gained by giving up toroidal symmetry might ultimately be usable to produce better confinement, but the cost is complexity in the engineering, the theory, and the experimental diagnostics.
By 1961 work on Z-pinch devices had largely ended, although some research continued on the related theta-pinch concept. [ 11 ] Tuck never restricted himself to the pinch concept, and he spent considerable effort on other concepts, which led to joking within Los Alamos about his apparently unfocused work. [ 12 ]
Starfield is an action role-playing video game.The player can switch between a first-person and third-person perspective at any time. The game features an open world in the form of an area within the Milky Way galaxy, containing both fictional and non-fictional planetary systems.
Starfield: Shattered Space is the first major expansion pack for the action role-playing video game Starfield, developed by Bethesda Game Studios and published by Bethesda Softworks. The expansion was announced during the Starfield Direct event on June 11, 2023.
The cost of a new Cat D9 bulldozer is at least $900,000 (£739,624) but extensive “slat armour” editions and offensive capabilities mean the vehicle’s total cost likely exceeds £1 million.
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 ...