Seminar & Colloquium
[세미나: 6월 7일(화), 오후 3시 30분] Prof. Jeong-Ha You, Max Planck Institute for Plasma Physics
Title
Divertor of the European DEMO: Engineering and technologies for power exhaust
Speaker
Prof. Jeong-Ha You, Max Planck Institute for Plasma Physics, Garching
Biography
Prof. Jeong-Ha You joined Max Planck Institute for Plasma Physics (Garching) in 1999 after his postdoc training at FZ Julich and RWTH. Since 2014, Prof. You has been leading the conceptual design and technology R&D activities for the Divertor and Limiters of the European demonstration fusion reactor in the framework of EUROfusion Consortium. In his project team, roughly 60 PhD level experts from 8 European laboratories, 8 university groups and several industry partners are involved (cumulative budget: ~39 M€). He is also serving as adjunct professor at the Physics department of Ulm University since his Habilitation. Prof. You was educated at SNU (Metallurgy) and RWTH Aachen (Mechanical Eng.).
| Date | Tuesday, June 7th, 2022
| Time | 15:30 ~
| Venue | 33동 223호(동부 세미나실)
[Abstract]
In a GW-scale fusion power plant, a huge amount of thermal power (>300MW) must be exhausted via the divertor. Particularly, the divertor targets must withstand the intense bombardment of incident plasma particles where high heat fluxes are generated and erosion takes place on the surface. In addition, substantial nuclear heating power must be exhausted as well. To cope with such an unprecedented power exhaust challenge, a highly efficient cooling capacity is required. Furthermore, the divertor must fulfil other critical functions such as nuclear shielding and channeling of exhaust gas for pumping. Assuring the structural integrity of the neutron-irradiated (thus embrittled) components is a crucial prerequisite for a reliable operation over the lifetime.
In late 2020, the pre-conceptual design activities to develop the divertor of the European demonstration fusion reactor were officially concluded. On this occasion, the baseline design and the key technology options were identified and verified. In this talk, an overview of the latest divertor design and selected topics of high-heat-flux technology will be presented.
| Host | Prof. Heung Nam Han (880-9240)