Shulou(Shulou.com)11/24 Report--

Thanks to CTOnews.com netizens ConstantineYHN, grass Luo Yuzi for the clue delivery! According to the news of CTOnews.com on January 10, realizing the steady-state operation of high-performance plasma is a key scientific problem that must be solved in the future fusion reactor. The important achievements made by the nuclear fusion scientific team of Hefei Institute of Plasma Research, Chinese Academy of Sciences in the operation of high energy constrained advanced mode plasma, the relevant results were published on January 7 in the international academic journal Scientific Progress, Natural Communications and other journals.

Using the full superconducting tokamak large science device (EAST), the nuclear fusion big science team of Hefei Institute of material Science, Chinese Academy of Sciences, has discovered and proved a new high energy constraint mode, which is of great significance for the operation of the international thermonuclear experimental reactor and the future fusion reactor.

CTOnews.com popular science: EAST, also known as the "artificial sun", is a major national scientific and technological infrastructure approved by the National Development and Reform Commission during the Ninth five-year Plan period. With the help of EAST, Chinese scientists have successively achieved world records such as "120 million degrees Celsius plasma running for 101s" and "nearly 70 million degrees Celsius plasma operating for 1056 seconds" in recent years.

According to reports, the research team discovered and proved a new high energy constraint mode, namely Super I mode (Super I-mode). This advanced mode greatly improves the efficiency of energy constraint, realizes the compatibility of high energy constraint in the core and low energy loss at the boundary, ensures the operation of high energy constrained plasma on a long time scale, and can be applied to the long pulse operation of the international thermonuclear experimental reactor. This new steady-state high-energy constraint mode is of great significance for the future operation of fusion reactor.

"if the nuclear fusion reaction is compared to a bolt of lightning, then our main purpose is to collect a stream of lightning in a 'magnetic cage', gather higher energy, and then steadily export that energy for human use for a long time." Song Yuntao, vice president of the Hefei Institute of material Science and director of the Institute of Plasma Physics of the Chinese Academy of Sciences, said that the newly discovered high-energy constraint model will be able to "gather more lightning" without damaging the "magnetic cage" and maintain stable operation for a long time.

The reviewer of Scientific Progress believes that this research result is of great significance to nuclear fusion research and is "a major progress" in the international fusion research community.

Links to related papers:

Https://www.science.org/doi/10.1126/sciadv.abq5273

Https://doi.org/10.1103/PhysRevLett.128.085003

Https://www.nature.com/articles/s41467-021-21645-y

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