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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
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.
- Source: NEI Magazine
- Date: Thursday, 28 June 2018
- Original article: neimagazine.com/news/newsnew-record-results-for-german-stellerator-6224550
FAE SA, the Argentinean manufacturer of seamless zirconium tubing for nuclear fuel elements has signed a contract to supply Alloy 690 seamless tubes to manufacture 12 helicoidal steam generators for the National Atomic Energy Commission’s (CNEA’s) CAREM small modular reactor (SMR) project. The tubes are 35 metres long - the longest ever made for this application - and will be delivered during 2017.
- Source: NEI Magazine
- Date: Thursday, 16 February 2017
- Original article: neimagazine.com/news/newstubing-contract-for-argentinas-carem-5741127