Sunday, 6 June 2021

China Sets Record With Experimental Fusion Reactor ‘EAST’, Fully Functional 'Artificial Sun' Soon?

CRUX Channel on Youtube shows that China’s Experimental Advanced Superconducting Tokamak (EAST) just achieved a significant milestone in the country’s quest to unlock clean and limitless energy. Chinese media reported that EAST ran at 120 million degrees Celsius for 101 seconds. For another 20 seconds, the 'artificial sun' also achieved a peak temperature of 160 million degrees Celsius.

The Experimental Advanced Superconducting Tokamak (EAST), internal designation HT-7U (Hefei Tokamak 7 Upgrade), is certainly an experimental superconducting tokamak magnetic fusion energy reactor in Hefei, China. The Hefei Institutes of Physical Science is conducting the experiment for the Chinese Academy of Sciences. It has operated since 2006.

It is the first tokamak to employ superconducting toroidal and poloidal magnets. It aims for plasma pulses of up to 1,000 seconds.


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      Fusion power is certainly an experimental form of power generation that generates electricity by using nuclear fusion reactions. In a fusion process, 2 atomic nuclei combine to form a heavier nucleus, while releasing energy. Devices that produce energy in this way are known as fusion reactors.

      Fusion occurs in a plasma confined at sufficient temperature and pressure for a sufficient interval. The combination of these constraints is known as the Lawson criterion. Higher values for one element permit lower values in the others.

      In stars, the most common fuel is hydrogen. Gravity provides long confinement times and high pressure. The power produced by the fused nuclei sustain the necessary temperature to keep the reaction going. Proposed reactors generally use hydrogen isotopes such as deuterium and tritium (or a mixture of the 2), which react more easily than individual protons. This allows them to reach the Lawson criterion without extreme values of the other constraints.

      What really is a hydrogen isotope?

      Hydrogen has no neutron, deuterium has 1, and tritium has 2 neutrons. The isotopes of hydrogen have, respectively, mass numbers of 1, 2, and 3. Their nuclear symbols are therefore 1H, 2H, and 3H. The atoms of these isotopes have one electron to balance the charge of the one proton.