2021-12-07

Exploring the ideal clean energy in the future: Oriental super ring

By yqqlm yqqlm

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in the Science Island in the western suburb of Hefei, Anhui Province, there is a giant in the shape of a boiler, which is 11 meters high, 8 meters in diameter and weighs 400 tons, It is composed of six parts: ultra-high vacuum chamber, longitudinal field coil, polar field coil, internal and external cooling screen, external vacuum Dewar and support system. Although we don’t know much about these components, the giant is not simple. It is a huge scientific device with international reputation, that is, the all superconducting tokamak nuclear fusion experimental device – East, which is designed and developed by China. Its completion marks that China has begun to lead the international forefront of magnetic confinement fusion research in the physics and engineering of steady-state operation, and has become the first country to master the new generation of advanced all superconducting tokamak technology

Exploring the ideal clean energy in the future: Oriental super ring

in the early morning of May 28, 2021, a good news came from the control hall where the Oriental super ring is located: the 16th round of physical experiment under way has realized repeatable 120 million degree 101 second plasma operation and 160 million degree 20 second plasma operation, Created a new world record for the operation of the Oriental super ring

Exploring the ideal clean energy in the future: Oriental super ring(1)

do you feel too professional to understand? It doesn’t matter. First listen to the experts…

“This is the 98958th discharge of the Oriental super ring, which has achieved results in the order of hundreds of millions of degrees Celsius and 100 seconds, indicating that China’s research in the field of steady-state magnetic constraints is at the international leading level – more importantly, this series of innovative research results and technical accumulation have provided a solid scientific and engineering foundation for China to build its own Oriental super ring.” At the moment when the good news came, song Yuntao, vice president of Hefei Institute of material sciences and director of Institute of plasma physics, Chinese Academy of Sciences, was very excited.

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behind the 98958th discharge is the fusion energy dream pursued by the Chinese people.

time goes back to 1 Five years ago: in September 2006, China’s new generation thermonuclear fusion device, the Oriental superring, which took eight years and cost 200 million yuan, successfully completed the discharge experiment for the first time, and obtained a high-temperature plasma discharge with a current of 200 kA and a time of nearly 3 seconds. In one fell swoop, it became the first and only fully superconducting non-circular cross-section nuclear fusion experimental device in the world 。

Exploring the ideal clean energy in the future: Oriental super ring(2)

at present, the Oriental superring has become an important experimental platform for relevant research in the world, and its results will be used for the future international thermonuclear fusion experimental reactor (ITER) It provides scientific and engineering support for realizing steady-state high constraint discharge.

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Why are researchers in relevant fields all over the world so interested in the giant Oriental super ring? “Nuclear fusion energy has the outstanding advantages of rich resources, no carbon emission, cleanliness and safety. It is one of the ideal clean energy for mankind in the future and can make an important contribution to the realization of carbon neutralization.” Song Yuntao frankly said that the dream of China’s magnetic confinement nuclear fusion researchers is to make the world’s first nuclear fusion reactor take the lead in generating power in China in their lifetime. Therefore “The first light bulb lit by nuclear fusion energy must be in China.”

<Guangming Daily (edition 01, December 6, 2021)