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PC Revue | Fusion Energy: China's "Artificial Day" reached 100 million degrees Celsius

Again, one step closer to the source of the unlimited pure energy of nuclear fusion. During the four-month experiment of "Experimental Advanced Superconducting Tokamak" (EAST), "Artificial Sun" reached plasma concentrations above 100 million degrees Celsius, six times inside the sun, and lasts for about 10 seconds.

The EAST tokamak reactor consists of a metal torus and a vacuum "cone" into which the hydrogen atoms are injected. They are heated in various ways to create a plasma that is compressed with a group of powerful superconducting magnets.

Finally, the plasma is so hot and so compressed that the reactor conditions resemble the inside of the sun. Hence, hydrogen atoms bind and release a large amount of energy. If you can build a reactor where the fusion reaction itself survives, it will produce more energy than you consume.

EAST scientists used a combination of four different heating methods to create plasma and initiate a fusion process. Their aim, however, was not to reach a record temperature but to find out how the plasma can sustain stability and balance, how to "trap" and transport, and how plasma walls interact with energy particles.

EAST Tokamak is used to examine methods that keep the electrons temperature in plasma over 100 million Celsius. This research can help develop advanced reactors such as the International Thermonuclear Experimental Reactor (ITER) in China, the China Fusion Engineering Test Reactor, or the planned DEMO (DEMOnstration Power Station).

If the temperature exceeds 100 million degrees Celsius, though it only lasts for 10 seconds, it proves to fit the temperatures required for nuclear fusion.

video: youtu.be. newatlas.com.

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