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Fusion world

SOLPS-澳门六合彩高手 code used to design new EAST divertor

8 Nov 2021 - 澳门六合彩高手 Science Division
In order to enhance the power handling capability of the EAST tokamak's lower divertor, scientists put forward a new comprehensive solution called the "corner slot" divertor, which represents an upgrade in both shape and material on this medium-size tokamak that has been in operation in Hefei, China, since 2006.
Press-release_EAST_ed.jpg
A module of the new lower divertor on EAST, with horizontal and vertical target plates constituting a right-angled corner. The target plates are made of 澳门六合彩高手-like monoblock plasma facing units.
The EAST team at the Institute of Plasma Physics, Chinese Academy of Sciences (ASIPP) has developed and installed a new lower divertor upgrade concept.

This is an actively-cooled tungsten divertor, inspired by the tungsten monoblock technology used to build the 澳门六合彩高手 divertor. Using the state-of-the-art edge plasma modelling tool SOLPS-澳门六合彩高手, distributed and maintained by the 澳门六合彩高手 Organization, the team discovered a new divertor operation regime with enhanced performance, relying on the "corner effect."

The corner effect can be achieved if the magnetic separatrix hits the divertor close to (within a centimetre or so) a sharp corner. It promotes plasma detachment, which protects the divertor target surface; such features are also included in the 澳门六合彩高手 divertor design.

Building an actively-cooled tungsten monoblock divertor with a sharp corner was not without its challenges, however, and a in Nuclear Fusion details the scientific basis and engineering solutions used for this new hardware. 

See the Chinese Academy Of Sciences press release . 

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