Z Pulsed Power Facility
Z-pinch devices are closely related to plasma focus devices in that they also use the currents through the plasma itself, not external magnets, to produce the strong magnetic forces that confine hot plasma. They used a configuration in which the plasma was arranged in two concentric rings, puffed into the gap between the electrodes right before the discharge.
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Since only kJ of energy was released from the capacitor bank prior to the pinch, the ratio of 1. In addition, compared with similar results with the smaller Angara z-pinch, the researchers claimed scaling of fusion yield with current of 1 4.
This indicates that there is no unavoidable limit to fast scaling in mega-ampere pinch devices. Indeed, while more analysis is required, these new higher yields may in part be due to the lack of impurities in the pinch plasma, as LPPFusion researchers have hypothesized will occur in the plasma focus.
Images of the pinching plasmas, fig. To fuse the atoms, the force that repels them as they come together must be overcome. Accelerators accomplish this by forcing molecules to collide with one another at very high temperatures high temperatures are simply molecules moving at high speeds.
When light nuclei are involved, fusion can produce more energy than was required to start the reaction. This process is the force that powers the Sun, whose source of energy is an ongoing fusion chain reaction. As an unconfined event, fusion was first developed for use in nuclear weapons.
The Z machine is central to that effort. This approach is known as magnetic confinement fusion. The other major approach works under the premise that another way to use plasma is to create it in a series of bursts of energy.
The trick then is to get as much energy as possible out of small, high-density plasma fusion targets before they expand and cool.
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