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Home / Science / South Korean artificial sun sets a record after running at 100 million degrees for 2 seconds

South Korean artificial sun sets a record after running at 100 million degrees for 2 seconds



After the ion temperature exceeded 100 million degrees Celsius (degrees Celsius), after successfully maintaining the high-temperature plasma for 20 seconds, South Korea’s artificial sun set a new world record.

On November 27, the KSTAR Research Center of the Korea Fusion Energy Research Institute (KFE) announced a joint research project with Seoul National University (SNU) and Columbia University in the United States.

It succeeded in running a plasma with an ion temperature exceeding 100 million degrees for 20 seconds. It sounds great.

This milestone is hailed as an important step in the quest to generate electricity through nuclear fusion.

Si-Woo Yoon, director of the KFE KSTAR Research Center, told phys.org: “The technology required for long-term operation of 100 million plasma is the key to realizing fusion energy and the secret to KSTAR’s success in maintaining high temperatures. Plasma 20 seconds will ensure long-term efficient plasma operation. An important turning point for technological safety, this is a key component of future commercial nuclear fusion reactors.”

Image source: National Science and Technology Research Council
Image source: National Science and Technology Research Council

Nong-Su Na, a professor in the Department of Nuclear Engineering who co-conducted the research, added: “By overcoming some of the shortcomings of the ITB model, the success of the KSTAR experiment in long-term high-temperature operations has brought us closer to achieving nuclear fusion energy. Technology development.”

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Dr. Young-Seok Park from Columbia University contributed to the creation of high-temperature plasma. He said: “We are honored to participate in such an important achievement of KSTAR.

“The 100 million degree ion temperature achieved by realizing effective core plasma heating in such a long time proves the unique function of the superconducting KSTAR device, and will be considered a high-performance, steady-state fusion plasma. The foundation of conviction.”

Image source: National Science and Technology Research Council
Image source: National Science and Technology Research Council

KFE’s new goal is to maintain 300 seconds of running time by 2025. It explained: “The 300-second duration means that the instability of nuclear fusion-based power generation can be controlled.

“We will continue to face the challenge of realizing nuclear fusion energy. This is the goal of mankind as a whole.”

Suk Jae Yoo, President of KFE, said: “I am very pleased to announce the official launch of KFE as an independent research organization in South Korea. KFE will continue the tradition of challenging research to achieve humanity’s goal: to achieve nuclear fusion energy.”


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