Research
Research
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2022
High performance plasma (βN ≥ 3) for 15 seconds. New record of ELM suppression ~45 seconds.
- High performance plasma (βN ≥ 3) for 15 seconds
- New record of ELM suppression ~45 seconds
- A new high-temperature plasma operating mode for fusion energy discovered at the KSTAR: "FIRE Mode" - published in ‘Nature> on September 8th, 2022
High performance plasma (βN ≥ 3) for 15 seconds.
New record of ELM suppression ~45 sec
H-Mode & FIRE Mode
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2021
Sustained ion temperature of 100 million degrees for 30 seconds. Achieved long-pulse H-mode operation for 90 seconds. High performance plasma (βN ≥ 3) for 10 seconds.
Time traces of ion temperature concerning each campaign.
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2020
Sustained ion temperature of 100 million degrees for 20 seconds, and high performance plasma (βN ≥ 3) for 5 seconds.
Time trace of the core ion and electron temperatures (c).
Time trace of the normalized beta (bN) for several discharges.
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2019
Sustained ion temperature of 100 million degrees for 8 seconds. Commissioned symmetric SPI (shattered pellet injection) and verified the effectiveness of disruption mitigation.
Two identical SPI systems were installed in toroidally opposite locations.
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2018
Achieved ion temperature of more than 100 million degrees for 2 seconds with hybrid operation mode. Sustained the H-mode for 89 seconds. Accomplished 20,000 KSTAR shots.
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2017
Suppressed the plasma boundary instability (ELM) for the longest time (34 seconds). Sustained the H-mode for 72 seconds.
Longest complete ELM suppression in KSTAR.
Scientific understanding of ELM suppression by RMP (resonant magnetic perturbation) and theoretic predictions are verified.
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2016
World's first successful operation of the advanced ITB-mode plasma for superconducting Tokamaks. World’s longest sustained H-mode plasma, more than 70 seconds.
Time traces of plasma parameters, H-mode discharge successfully sustained for 70 seconds.
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2015
Selected as one of the 70 representative accomplishments in science and technology for the 70th year celebration of national independence. Achieved 100% non-inductive current drive operation.
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2014
Accomplished 10,000 KSTAR shots. Successful control over ELM instabilities.
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2013
Secured plasma impurity-removal technologies and plasma shape control optimization core technologies.
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2012
Secured stable operation of H-mode plasma (high-performance plasma operation conditions).
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2011
World's first suppression of edge localized mode instability (ELM) by using n=1 magnetic perturbation in superconducting tokamak.
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2010
World's first accomplishment of H-mode (high-performance plasma operation conditions) in superconducting tokamak.
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2009
Full-scale operation of KSTAR as fusion research facility.
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2008
First plasma generation and successful test of equipment performance.
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