KSTAR

KSTAR
Korea Superconducting Tokamak Advanced Research
	MW
Plasma current	2 MA
History
Date(s) of construction	14 September 2007
Year(s) of operation	2008–present

The KSTAR (or Korea

East Asian financial crisis, which weakened the South Korean economy considerably; however, the project's construction phase was completed on September 14, 2007. The first plasma was achieved in June 2008.^[2]^[3]

Description

KSTAR is one of the first research tokamaks in the world to feature fully superconducting magnets, which again will be of great relevance to

deuterium-tritium mix which will be studied in ITER

.

Plasma confinement

Beginning in December 2016, KSTAR would repeatedly hold the world record (longest high-confinement mode) by confining and maintaining a hydrogen plasma at a higher temperature and for a longer time than any other reactor. While KSTAR focuses on central ion plasma temperature, EAST focuses on electron plasma temperature.^[4]

December 2016, KSTAR claims record by containing a plasma at 50 million degrees Celsius for 70 seconds.^[5]^[6]
July 2017, China's Experimental Advanced Superconducting Tokamak (EAST) (101.2 seconds) claims record by containing a plasma for 100 seconds.^[7]
December 2020, KSTAR reclaimed the record by containing a plasma of 100 million degrees for 20 seconds.^[8]
May 2021, China's EAST reclaimed the record by containing a plasma of 120 million degrees for 100 seconds.^[9]

Timeline

The design was based on Tokamak Physics Experiment, which was based on Compact Ignition Tokamak design – See Robert J. Goldston.

1995 – Started Project KSTAR
1997 – JET of EU emits 17 MW energy from itself.
1998 –
JT-60U
went beyond energy junction successfully and acknowledged the possibility of commercialization of nuclear fusion.
2006 – Life span of three Fusion Reactors (JT-60U, JET, and DIII-D) are terminated.
2007, September – KSTAR's major devices are constructed.
2008, July – First plasma occurred. Maintenance time: 0.865 seconds, Temperature: 2×10⁶ K
2009 – Maintained 320,000A plasma for 3.6 seconds.
2010, November – First
H-mode plasma run.^[10]

2011 – Maintained high-temperature plasma for 5.2 seconds, Temperature: ~50×10⁶ K, successfully fully deterred ELM (

Edge-Localized Mode

), first ever in the World.

2012 – Maintained high-temperature plasma for 17 seconds, Temperature: 50×10⁶ K

2013 – Maintained high-temperature plasma for 20 seconds, Temperature: 50×10⁶ K

2014 – Maintained high-temperature plasma for 45 seconds, and successfully fully deterred ELM for 5 seconds.

2015 – Maintained high-temperature plasma for 55 seconds, Temperature: 50×10⁶ K

2016 – Maintained high-temperature plasma for 70 seconds, Temperature: 50×10⁶ K, and successfully made ITB-mode for 7 secs.[11]
2017 – Maintained high-temperature plasma for 72 seconds, Temperature: 70×10⁶ K, and successfully fully deterred ELM for 34 seconds, using 9.5 MW heating system.
2019 – Maintained high-temperature plasma for 1.5 seconds, Temperature: >100×10⁶ K.
2020, March – Maintained high-temperature plasma for 8 seconds, Temperature: >100×10⁶ K (Mean temperature: >97×10⁶ K)^[12]
2020, November – Maintained high-temperature plasma for 20 seconds, Temperature: >100×10⁶ K.^[13]
2021, November – Maintained high-temperature plasma for 30 seconds, Temperature: >100×10⁶ K.^[14]
2022, September – Maintained temperature 7 times hotter than the Sun for 30 seconds, Temperature: >100×10⁶ K.^[15]
2024, February – Maintained temperature 7 times hotter than the Sun for 48 seconds, Temperature: >100×10⁶ K.^[16]

References

^ "KSTAR | 국가핵융합연구소". www.nfri.re.kr (in Korean). Archived from the original on 2020-08-10. Retrieved 2020-06-20.
^ "www.knfp.net". October 23, 2015. Archived from the original on 2015-10-23.
^ "KSTAR celebrates first plasma". ITER. Retrieved 2018-09-18.
^ "중국 "인공태양 1억2000만도 101초 유지 성공"...앞선 한국 기록과 단순 비교는 어려워". Donga Science. 1 Jun 2021.
^ "Korean fusion reactor achieves record plasma - World Nuclear News". www.world-nuclear-news.org. 14 Dec 2016. Retrieved 2018-09-18.
^ Andrews, Robin (19 Dec 2016). "South Korea Just Set A Nuclear Fusion World Record". IFLScience. Retrieved 2018-09-18.
^ Chinese Academy of Sciences (6 Jul 2017). "China's 'artificial sun' sets world record with 100 second steady-state high performance plasma". Retrieved 2018-09-18.
^ "Korean artificial sun sets the new world record of 20-sec-long operation at 100 million degrees". phys.org.
^ "China's "Artificial Sun" Fusion Reactor Just Set a World Record". Futurism.
^ "First H-mode plasma achieved on KSTAR". Archived from the original on 2015-01-23. Retrieved 2015-01-23.
^ "News | KOREA INSTITUTE OF FUSION ENERGY". NFRI News. 14 December 2016. Archived from the original on 2017-04-16.
^ "한국형 인공태양, 섭씨 1억도 플라스마 8초 운전 성공 – Sciencetimes" (in Korean). Retrieved 2020-11-28.
^ "Korean artificial sun sets the new world record of 20-sec-long operation at 100 million degrees". phys.org. Retrieved 2020-12-29.
^ Lavars, Nick (2021-11-24). "KSTAR fusion reactor sets record with 30-second plasma confinement". New Atlas. Retrieved 2021-11-24.
^ "This Fusion Reactor Hit Temps 7 Times Hotter Than the Sun for 30 Seconds". Popular Mechanics. 2022-09-13. Retrieved 2022-09-15.
^ McFadden, Christopher (29 March 2024). "South Korean 'artificial sun' reaches 7 times the Sun's core temperature". Interesting Engineering. Retrieved 30 March 2024.

External links

Korea Institute of Fusion energy(KFE) Homepage(eng)
KSTAR Homepage(eng)
- Comparison between the KSTAR and the ITER
KSTAR Project Status PDF (undated – seems to be 2001. Includes slide-13 construction schedule to end 2004 and slide-16 operation from 2005 with upgrade planned 2010–11.)
KSTAR Assembly Status, October 2006 PDF
Status and Result of the KSTAR Upgrade for the 2010s Campaign
KSTAR ICRF transmission line system upgrade for load resilient operation. Jan 2013

[1] "KSTAR | 국가핵융합연구소". www.nfri.re.kr (in Korean). Archived from the original on 2020-08-10. Retrieved 2020-06-20.

[2] "www.knfp.net". October 23, 2015. Archived from the original on 2015-10-23.

[3] "KSTAR celebrates first plasma". ITER. Retrieved 2018-09-18.

[4] "중국 "인공태양 1억2000만도 101초 유지 성공"...앞선 한국 기록과 단순 비교는 어려워". Donga Science. 1 Jun 2021.

[5] "Korean fusion reactor achieves record plasma - World Nuclear News". www.world-nuclear-news.org. 14 Dec 2016. Retrieved 2018-09-18.

[6] Andrews, Robin (19 Dec 2016). "South Korea Just Set A Nuclear Fusion World Record". IFLScience. Retrieved 2018-09-18.

[7] Chinese Academy of Sciences (6 Jul 2017). "China's 'artificial sun' sets world record with 100 second steady-state high performance plasma". Retrieved 2018-09-18.

[8] "Korean artificial sun sets the new world record of 20-sec-long operation at 100 million degrees". phys.org.

[9] "China's "Artificial Sun" Fusion Reactor Just Set a World Record". Futurism.

[10] "First H-mode plasma achieved on KSTAR". Archived from the original on 2015-01-23. Retrieved 2015-01-23.

[11] "News | KOREA INSTITUTE OF FUSION ENERGY". NFRI News. 14 December 2016. Archived from the original on 2017-04-16.

[12] "한국형 인공태양, 섭씨 1억도 플라스마 8초 운전 성공 – Sciencetimes" (in Korean). Retrieved 2020-11-28.

[13] "Korean artificial sun sets the new world record of 20-sec-long operation at 100 million degrees". phys.org. Retrieved 2020-12-29.

[14] Lavars, Nick (2021-11-24). "KSTAR fusion reactor sets record with 30-second plasma confinement". New Atlas. Retrieved 2021-11-24.

[15] "This Fusion Reactor Hit Temps 7 Times Hotter Than the Sun for 30 Seconds". Popular Mechanics. 2022-09-13. Retrieved 2022-09-15.

[16] McFadden, Christopher (29 March 2024). "South Korean 'artificial sun' reaches 7 times the Sun's core temperature". Interesting Engineering. Retrieved 30 March 2024.

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