"A fireball of hundreds of millions of degrees, what you encounter will burn it." said Dr. Wang Teng from the ZKHF Institute of Plasma Physics. Some "disobedient" high-temperature plasma escaped and hit the walls of the vessel causing damage.
"In the beginning, EAST used graphite material, and its thermal load capacity reached 1 MW per square meter." Wang Teng said, now that the wall material has developed to the third generation, it has been changed to a self-developed tungsten copper alloy material. The capacity is increased to 20 megawatts per square meter.
Tungsten copper wear tube module.
Not long ago, the Pole Field No. 6 coil (PF6) with an outer diameter of more than 11 meters and a total weight of more than 400 tons passed the final acceptance test at the site of the French International Thermonuclear Fusion Experimental Reactor. PF6 developed by ZKHF is currently the heaviest and most technically difficult superconducting magnet in the world.
"We have used 6 years of independent research and development of PF6. Without this difficult process, there would be no progress today. The core technology must be firmly in our own hands," said Song Yuntao.
The spirit of a scientist who started from scratch, worked hard, and succeeded from behind, became the "core super material" for supporting the "artificial sun".
"Future nuclear fusion power plants may require uninterrupted operation 24 hours a day, 365 days a year, which requires more and stronger'super materials'." Academician Li Jiangang said that this is the biggest technology for developing "artificial suns" Difficulties are also the direction for scientific research workers in the new stage to consolidate their efforts.