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Munich-based start-up Proxima Fusion says it has completed its Pre-Seed fundraising of €7m ($7.48m) to support fusion power plant development based on the stellarator concept. The fundraising is co-led by Plural and UVC Partners, and joined by High-Tech Gründerfonds (HTGF) and the Wilbe Group.

Date: Friday, 02 June 2023
Original article: neimagazine.com/news/newsproxima-fusion-raises-funds-for-fusion-plant-development-10905392

General Atomics (GA) of the USA and Tokamak Energy of the UK have agreed to collaborate in the area of high temperature superconducting (HTS) technology for fusion energy and other industry applications. Meanwhile, Germany's Max Planck Institute for Plasma Physics will work with Proxima Fusion to further develop the stellarator concept.

Date: Wednesday, 31 May 2023
Original article: world-nuclear-news.org/Articles/Collaborations-announced-for-fusion-projects

Japan has adopted its first-ever national strategy on nuclear fusion reflecting the need to create a domestic fusion industry. The strategy calls for the wider participation of the private sector in fusion energy research & development. “We will list as our vision the industrialisation of fusion energy, using technological advantage, in order to seize market opportunities,” said a report, compiled by the Cabinet Office.

Date: Saturday, 22 April 2023
Original article: neimagazine.com/news/newsjapan-adopts-national-strategy-on-nuclear-fusion-10779676

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.

Date: Wednesday, 01 March 2023
Original article: neimagazine.com/news/newssuccessful-fusion-experiments-at-germanys-wendelstein-7-x-10636975

Upgrades include fitting of new water-cooled divertor A view into the plasma vessel of the W7-X stellarator. Courtesy IPP. The Wendelstein 7-X (W7-X) stellarator at the Max Planck Institute for Plasma Physics (IPP) in Greifswald, northeast Germany, has been significantly improved and will resume scientific experiments in autumn 2022.

Work on the W7-X has resulted in a doubling in heating power and 40 new diagnostics. IPP said that within a few years the upgraded fusion facility should enable plasma operations lasting for up to 30 minutes.

One of the key improvements is the fitting of a new water-cooled divertor, or high-heat flux divertor, a component that helps prevent the contamination of the plasma.

Fusion systems of the stellarator type promise high-performance plasmas in continuous operation. However, 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.

Date: Saturday, 24 September 2022
Original article: nucnet.org/news/germany-s-improved-w7-x-stellarator-to-resume-experiments-this-autumn-9-5-2022

The US Department of Energy (DOE) on 8 June announced $6.4 million in funding for US scientists to carry out seven research projects at two major fusion energy facilities located in Germany and Japan. These collaborations enable US researchers to explore critical science and technology issues at the frontiers of magnetic fusion research using the unique capabilities of the most advanced overseas research facilities.

Date: Wednesday, 16 June 2021
Original article: neimagazine.com/news/newsus-doe-announces-funding-for-stellarator-research-8822691

Expansion of the Wendelstein 7-X stellarator fusion device at Germany's Max Planck Institute for Plasma Physics (IPP) in Greifswald is entering a new stage with the final delivery of components for the divertor.

Date: Friday, 20 March 2020
Original article: neimagazine.com/news/newsexpansion-of-the-wendelstein-7-x-stellarator-underway-7830324

The Wendelstein 7-X stellarator-type fusion device at the Max Planck Institute for Plasma Physics. PHoto courtesy IPP. The next stage has begun of work to upgrade of the world’s largest stellarator-type fusion device at the Max Planck Institute for Plasma Physics (IPP) in Greifswald, Germany.

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.

Date: Thursday, 19 March 2020
Original article: nucnet.org/news/upgrade-work-enters-new-phase-for-germany-s-wendelstein-7-x-3-3-2020

The upgrade of the world's largest stellarator-type fusion device - Germany's Wendelstein 7-X - is set to enter a new stage with the final delivery of components for the so-called divertor. Preparations for installation of the water-cooled inner cladding components have been completed, with installation work expected to continue well into next year.

Date: Wednesday, 18 March 2020
Original article: world-nuclear-news.org/Articles/Upgrade-of-Wendelstein-7-X-continues

Scientists at Germany’s Max Planck Institute for Plasma Physics (IPP) on 25 June reported a new record performance at the Wendelstein 7-X stellerator, which began operation in 2015. Earlier experiments saw the plasma in the reactor achieve higher temperatures and densities than ever before, and now the records have been broken again in a new test with upgraded components. Like the tokamak, the stellarator uses large superconducting magnets to suspend hydrogen plasma and heat it to the temperatures and pressures needed to fuse hydrogen into helium. The Wendelstein 7-X has 50 superconducting magnet coils some 3.5 metres high. However, while the tokamak confines plasma in a doughnut shaped torus, the stellarator traps the plasma in a twisting spiral shape, which is designed to cancel out instabilities in the suspended plasma.

Date: Thursday, 28 June 2018
Original article: neimagazine.com/news/newsnew-record-results-for-german-stellerator-6224550

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