Member of the Helmholtz Association Status of the JULE-PSI project B. Unterberg, S. Kraus, A. Kreter, L. Scheibl and B. Schweer Institute for Energy and Climate Research - Plasma Physics Forschungszentrum Jülich, EURATOM Association D Jülich, Germany Partner in the Trilateral Euregio Cluster 2nd International Workshop on Plasma Material Interaction Facilities for Fusion Research (PMIF 2011), Forschungszentrum Jülich, Germany, September 19-21, 2011

Institute of Energy and Climate Research – Plasma Physics | Association EURATOM – FZJSeptember 19, 2011No 2 New PWI research programme at FZJ: Plasma wall interactions in nuclear environment  Complementary to ongoing PWI research on toroidal confinement devices  An integrated concept to test neutron irradiated and toxic plasma facing materials (PFMs) under high heat loads and plasma exposure in Jülich  Thermo-mechanical properties of PFMs (fatigue, shock resistance)  PWI processes (Erosion, fuel retention and dust formation)

Institute of Energy and Climate Research – Plasma Physics | Association EURATOM – FZJSeptember 19, 2011No 3 PWI with Be and neutron irradiated PFMs at FZJ - Elements of the integrated concept  A linear plasma device inside a Hot Cell (JULE-PSI) with integrated surface analysis station for toxic and activated materials (T- retention, surface composition and morphology, mainly based on laser techniques)  A non-nuclear twin outside the Hot Cells, developed from a pilot experiment (PSI-2 Jülich)  High heat load e- beam test facility inside Hot Cell (JUDITH- 1 upgrade)  High heat load e- beam test facility for large components outside Hot Cell (JUDITH-2) but with Be handling capability  Hot Material Laboratory (Hot metallography, Laser profilometry, thermo physics lab, scanning electron microscopy in Hot Cell environment)  Dedicated modelling activities (ERO, B2-Eirene)

Institute of Energy and Climate Research – Plasma Physics | Association EURATOM – FZJSeptember 19, 2011No 4 JULE-PSI – integral part of the TEC programme New challenges MAGNUM-PSIPILOT-PSIJULE-PSI (inside Hot Cell) PSI-2 Jülich VISION I (inside T laboratory) Reactor like divertor conditions (steady state loads) YES, divertor simulatorNO, but reactor like plasma fluence and ion energies NO Reactor like transient heat loads YES, pulsed plasma source under development YES, JUDITH (electron beam facility inside Hot Cell), laser irradiation NO TritiumNOno T- plasma but moderate T handling capabilities YES Toxic materials (Be) NOYES Neutron irradiated materials Simulation of neutron damage by ion beam irradiation planned YESLimited to moderately activated samples

Institute of Energy and Climate Research – Plasma Physics | Association EURATOM – FZJSeptember 19, 2011No 5  Refurbishment of the Hot Material Lab  Conceptual Layout of the Experimental Hall and the Hot Cell  Development of target analysis and exchange chamber – prototype at PSI-2 Jülich Outline

Institute of Energy and Climate Research – Plasma Physics | Association EURATOM – FZJSeptember 19, 2011No 6 Refurbishment of Hot Material Lab finalized (5 Mill Euro, stimulus package)  New ventilation system (HML-3: upgrade for future requirements with JULE-PSI)  General improvements of the building (thermal insulation, fire protection, electrical systems) JULE-PSI lab

Institute of Energy and Climate Research – Plasma Physics | Association EURATOM – FZJSeptember 19, 2011No 7 Floor plan HML-3, ground level

Institute of Energy and Climate Research – Plasma Physics | Association EURATOM – FZJSeptember 19, 2011No 8 Floor plan HML-3, level 1

Institute of Energy and Climate Research – Plasma Physics | Association EURATOM – FZJSeptember 19, 2011No 9 Side view HML-3

Institute of Energy and Climate Research – Plasma Physics | Association EURATOM – FZJSeptember 19, 2011No 10 Cross section HML-3

Institute of Energy and Climate Research – Plasma Physics | Association EURATOM – FZJSeptember 19, 2011No 11 Floor plan Hot Cell for JULE-PSI

Institute of Energy and Climate Research – Plasma Physics | Association EURATOM – FZJSeptember 19, 2011No 12 Shielding requirements for hot cell license for handling radioactive substances in HML-3 (multiples of the free handling limit) (Tritium (contained)2.5x10^4) Other radioactive substances (contained) 10^8 Other radioactive substances (any, non-gasous) 10^6  Shielding shall be adequate to fully use handling limits  20 cm wall thickness for Pb  Amounts to 565 to (50000 bricks)  Material already recovered from deconstruction work at FZJ  Contact to companies for detailed design established Free handling limit (StSVo) radionuclideActivity (Bq) (T10^9) W-18110^7 W-18510^7 W-18710^6

Institute of Energy and Climate Research – Plasma Physics | Association EURATOM – FZJSeptember 19, 2011No 13 Target analysis and exchange chamber Target manipulator Exchange and Analysis chamber Plasma source PSI-2 Jülich with target chamber Status of PSI-2 Jülich: cf. talk by A. Kreter

Institute of Energy and Climate Research – Plasma Physics | Association EURATOM – FZJSeptember 19, 2011No 14 Plasma Chamber Valve 1 Valve 2 carrier Target manipulator Turbo pump Turbo pumps Target Exchange and Analysis Chamber

Institute of Energy and Climate Research – Plasma Physics | Association EURATOM – FZJSeptember 19, 2011No 15 Target manipulator Plasma chamber loading of targets 3x support for bearings Laser entrance QMA (LIA) observation (e.g. LIBS) Glow Discharge Optical Emission Spectroscopy → see talk by C.C. Klepper Target Exchange and Analysis Chamber

Institute of Energy and Climate Research – Plasma Physics | Association EURATOM – FZJSeptember 19, 2011No 16 Head of target manipulator cooling electrical connections rotatable target holder gas inlet cone-shaped manipulator head

Institute of Energy and Climate Research – Plasma Physics | Association EURATOM – FZJSeptember 19, 2011No 17 Example of laser based surface analysis LIBS – Laser Induced Breakdown Spectroscopy

Institute of Energy and Climate Research – Plasma Physics | Association EURATOM – FZJSeptember 19, 2011No 18 Tangential view Target An ITER like coaxial observation system has been designed and procured for TEXTOR application Laser induced break down spectroscopy and laser induced ablation spectroscopy at TEXTOR Alexander Huber, FZJ

Institute of Energy and Climate Research – Plasma Physics | Association EURATOM – FZJSeptember 19, 2011No 19 Principle set-up of laser based surface diagnostics at JULE-PSI

Institute of Energy and Climate Research – Plasma Physics | Association EURATOM – FZJSeptember 19, 2011No 20 Guidance of laser beam at JULE-PSI

Institute of Energy and Climate Research – Plasma Physics | Association EURATOM – FZJSeptember 19, 2011No 21 Guidance of laser beam at JULE-PSI

Institute of Energy and Climate Research – Plasma Physics | Association EURATOM – FZJSeptember 19, 2011No 22 Experimental results on laser-induced plasma plume Notch filter Blocks λ : 670 – 805nm Plasma plume extension  3.0 mm The laser plasma lifetime  200ns Laser Direction 2.71 mm Plasma plume size 2.7 mm Collects the light emitted from the plasma plume 789.0µ789.5µ790.0µ790.5µ Biased: 2.4 volts Notch Filter volts time (sec) FWHM approx 140 ns Plasma Life time

Institute of Energy and Climate Research – Plasma Physics | Association EURATOM – FZJSeptember 19, 2011No 23  Further technical development at the pilot experiment PSI-2 Jülich (cf. talk by A. Kreter)  Commissioning of target exchange chamber  Test of disk shaped cathode  Increase of connected power for HML-3  Design of vacuum chamber and magnetic field coils for JULE-PSI, concept development CODAC  Preparation of a site for construction and testing of JULE-PSI (outside HML) Outlook: Next steps for JULE-PSI