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The Korea Institute of Machinery & Materials (KIMM – which reports to the Ministry of Science and ICT,) has developed a 120kV/60kW electron-beam welding system, which can weld materials with thickness of more than 100mm. KIMM says that, together with innovative technologies for manufacturing SMRs, the new technology is expected to shorten welding time and secure economic feasibility.
- Source: NEI Magazine
- Date: Wednesday, 27 March 2024
- Original article: neimagazine.com/news/newskorean-institute-develops-high-power-electron-beam-welding-system-11633115
The pioneering Joint European Torus (JET) has performed its final fusion research experiments just over four decades after it delivered its first pulse on 25 June 1983.
- Source: World Nuclear News
- Date: Friday, 22 December 2023
- Original article: world-nuclear-news.org/Articles/JET-retires-after-40-years-and-105,842-pulses
A Chinese tokamak device has set a new world record for a steady-state high-constraint mode plasma operation and German researchers have discovered a way to build smaller and cheaper fusion reactors. Meanwhile a US Government Accountability Office report on achieving commercial fusion cautions that several challenges must still be overcome.
- Source: World Nuclear News
- Date: Friday, 14 April 2023
- Original article: world-nuclear-news.org/Articles/Chinese-and-German-milestones-in-fusion-research
After successful recommissioning in autumn 2022, the Wendelstein 7-X stellarator fusion device at Germany's Max Planck Institute for Plasma Physics (IPP) has achieved some significant breakthroughs. In 2023, an energy turnover of 1 gigajoule was targeted, but researchers have now achieved 1.3 gigajoules. Moreover, a new record for discharge time was achieved, with the hot plasma maintained for eight minutes.
- Source: NEI Magazine
- Date: Wednesday, 01 March 2023
- Original article: neimagazine.com/news/newssuccessful-fusion-experiments-at-germanys-wendelstein-7-x-10636975
Scientists at the DIII-D National Fusion Facility in the USA have released a new design for a compact fusion reactor that can generate electricity and help define the technology necessary for commercial fusion power, General Atomics (GA) said on 29 March. The approach is based on the “Advanced Tokamak” concept pioneered by the DIII-D program, which enables a higher-performance, self-sustaining configuration that holds energy more efficiently than in typical pulsed configurations, allowing it to be built at a reduced scale and cost.
- Source: NEI Magazine
- Date: Friday, 02 April 2021
- Original article: neimagazine.com/news/newsgeneral-atomics-develops-compact-tokamak-concept-for-fusion-8644655
IPP said installation of new water-cooled inner cladding of the plasma vessel will make the Wendelstein 7-X facility suitable for higher heating power and longer plasma pulses.
The new cladding’s centrepiece, the so-called divertor, was manufactured by the institute’s Garching branch. It was delivered to Greifswald on 17 March and installation work will last until well into next year.
Fusion systems of the stellarator type promise high-performance plasmas in continuous operation. Accordingly, heat and particles from the hot plasma permanently stress the vessel walls. It is the task of the divertor – a system of specially equipped baffle plates to which the particles from the edge of the plasma are magnetically directed – to regulate the interaction between plasma and wall.
- Source: Nucnet
- Date: Thursday, 19 March 2020
- Original article: nucnet.org/news/upgrade-work-enters-new-phase-for-germany-s-wendelstein-7-x-3-3-2020
First plasma has been produced at the Wendelstein 7-X, the world's largest stellarator-type fusion device, at Germany's Max Planck Institute for Plasma Physics (IPP) in Greifswald. IPP, the first plasma had a duration of one tenth of a second and achieved a temperature of around one million degrees.
- Source: NEI Magazine
- Date: Monday, 14 December 2015
- Original article: neimagazine.com/news/newsgerman-fusion-device-achieves-first-plasma-4752789