W7-X Task Agreement Summary
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Task In Progress Under U.S.-IPP Collaboration in Wendelstein 7-X
22-Nov-2016
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Task Agreement Status
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Task NumberShort TitleU.S. LeadIPP LeadNear-term plans (abridged)
See full task agreement for details
Latest Rev.
Date
Comment
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2017-1Neutral Beams and Energetic ParticlesS. Lazerson PPPLR. Wolf• Develop prototype thin-film Faraday cup fast ion loss detectors.
• Numerical studies of neutral beam deposition and fast ion losses
• OP1.2: Characterize neutral beam deposition and losses.
Rev. 0
Sept. 20166
OK.
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2017-2XICS ExploitationN. Pablant, S. Lazerson PPPLA. Langenberg•  OP1.2: Investigate impurity transport, radial electric field, transport
•  Compare radial electric field behavior between W7-X and LHD.
•  Physics improvements to STELLTRAN-pb
•  Analyze LHD XICS data and make available in LHD archives
•  With LHD, investigate CERC, Er vs. power, transport
Rev. 0
Sept. 2016
OK.
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2017-3PMI and Impurity SourcingO. Schmitz, Univ. of WisconsinR. Burhenn, M. Jakubowski•  Laser Blow-Off (LBO) test.
• Finalize analysis of limiter surfaces and in-situ spectroscopy
• Finalize modeling and publish paper about OP1.1 erosion and impurity transport
• Support setup of scraper observation for in-situ PMI analysis
• Assess with FZJ option for tracer gas injection and innovative analysis methods
Rev. 0
Sept. 2016
OK.
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2017-4OP2 EndoscopesG. Wurden,
LANL
J. Fellinger• Define requirements
• Supervise companies developing optical design
• Conceptual mechanical design, proof-of- principle testing, conceptual design selection
• Supervise selected company developing detailed design, including detailed plans for manufacturing inspection and testing and plans for assembly, testing, adjustment and installation
• Supervision of final design, and approval of plans for execution.
• Preparation of RFQ for delivery of optical and mechanical components
Rev. 0
Oct. 2016
OK.
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2016-1Remote Collaboration TechnologyH. Neilson, S. Zelick PPPLH.-S. Bosch,
A. Werner
• Develop and test IT solutions
• Implement solutions and policies at U.S. partner institutions.
Rev. 0
Sept. 2016
OK.
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2015-1High Heat Flux Scraper ElementA. Lumsdaine, ORNLJ. Boscary• Thermo-mechanical modelling in support of HHF SE design.
• Exploration of innovative materials for the HHF SE. (ORNL)
Rev. 2
Oct. 2016
OK.
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2015-2Long-Pulse PMI ScienceD. Hillis, J. Harris, ORNLT. S. Pedersen• Installation of 48 additional HELIOS filterscope channels for edge plasma spectroscopy.
• Physics and engineering modeling to design and analyze experiments for OP1.2 using the TDU scraper element.
• Participate in the experimental planning of the OP1.2 campaign as thrust leader for scientific exploitation of the TDU scraper element.
Rev. 3
Nov. 2017
OK.
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2015-3Phase Contrast ImagingM. Porkolab, E. Edlund, MITO. Grulke• Ship equipment to IPP Greifswald.
• Setup optics tables in the laser lab to test layout and electronics equipment.
• Remove optics and transport optics tables to the torus hall.
• Replace optics and finalize installation in the TH.
• Integrate laser and remote control systems with the network.
Rev. 3
Sept. 2016
OK.
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2015-4Gas Puff ImagingJ. Terry, MITO. Grulke• System integration for Phantom V10 camera
• Deliver camera and associated optics; port software.
• OP1.2: Obtain and analyze high-speed images from the plasma.
• Modeling and system integration for OP2 system (camera + dedicated gas puff)
Rev. 2
Oct. 2016
OK.
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2015-5Heavy Ion Beam ProbeD. Demers, Xantho TechnologiesO. Grulke• Establish nominal direction of Btor for pending feasibility studies
• Identify and characterize W7-X discharge scenarios for study.
• Assess HIBP measurement feasibility utilizing reference scenario data
• Initiate consideration of engineering-scope and installation-logistics that must overlap with, and follow, this conceptual design effort.
Rev. 1
Nov. 2016
OK.
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2015-6EMC3-Eirene Modeling O. Schmitz, H. Frerichs U. WisconsinY. Feng• Publish paper about EMC3-EIRENE modeling of SOL width vs. connection.
• Publish paper about synthetic reconstruction of limiter recycling fluxes.
• Continue OP1.1 analysis with focus on radiation cooling, particle balance, and PMI.
•  Assess impurity transport and radiation cooling during OP1.2
•  Improve numerical stability of EMC3-EIRENE in detached plasmas and study impact of 3-D equilibrium on detachment stability in island divertor
•  Continue support of diagnostic development (IPP, FZ Juelich and U.S. labs)
Rev. 1
Sept. 2016
OK.
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2015-7V3FIT equilibrium reconstruction and EMC3 interface developmentD. Maurer Auburn U.J. Geiger•  Finish V3FIT installation and initial testing
•  Begin forward diagnostic modeling studies and calibrations.
•  Extender implementation and interface development for EMC3-Eirene
•  Prepare for OP 1.2 operations and have codes running robustly
Rev. 0
Jan. 2016
Needs to be updated.
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2015-8X-ray imaging crystal spectrometer (Auburn)D. Maurer Auburn U.A. Langenberg• Student training in XICS operation and run procedures
• Day-to–day operations (with Dr. Pablant)
• Optimization of XICS operation and Argon gas puff.
Rev. 0
Jan. 2016
Needs to be updated.
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2015-9Helium ExhaustO. Schmitz, Th. Kremeyer U. WisconsinU. Wenzel•  Finalize analysis of neutral pressure and Penning gauge (PG) system
•  Functional tests of new PG system
•  Obtain full calibration of new PG system at UW Madison vacuum test stand and in-situ at W7-X
•  Implement multi-reservoir, multi-species particle balance in EMC3-EIRENE
Rev. 1
Oct. 2016
OK.
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2015-10Quantitative Edge SpectroscopyO. Schmitz, T. Barbui U. WisconsinM. Krychowiak•  Implement observation for OP1.2
•  Finalize analysis of OP1.1 HeLRS measurements. Prepare analysis suite for general use
•  Benchmark HeCRM and NeCRM in high density conditions of island divertor
•  Make neon CRM ready for use (collaboration with Auburn U. and Johns-Hopkins U.
•  Prepare LANL visible camera for scraper observation, support implementation of ORNL filterscopes.
Rev. 1
Oct. 2016
OK.
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2014-1TDU Scraper ElementD. Loesser, H. Neilson, PPPLJ. Fellinger• Deliver scraper units and documentation; close fabrication project.
• Assemble units at IPP
• Mockup installation procedure
• Complete high heat-flux testing
Rev. 7
Sept., 2016
OK.
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2014-2X-ray Imaging Crystal SpectrometerN. Pablant PPPLA. Langenberg• Procure / install new Pilatus 300K-W detector.
•  Data analysis package improvements
•  Integrate analysed XICS data into W7-X data archive.
•  Develop acquisition system for HR-XIS detector.
•  In-vessel spatial calibration of XICS system after OP1.2.
Rev. 5
Sept. 2016
OK.
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2014-3On-Site U.S. W7-X Program Coordination at IPPH. Neilson, PPPLT. Klinger
H.-S. Bosch
• Glen Wurden, on-site from Nov. 2016
• Jeffrey Harris, on-site from Nov. 2016
• Samuel Lazerson, on-site from June 2017
Rev. 2
Sept. 2016
OK.
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2014-4Magnetics and ControlS. Lazerson, D. Gates, PPPLT. S. Pedersen• Document post-OP1.1 work.
• Evaluate effects and ramifications of measured error field.
• Participate in e-beam mapping experiments.
• OP1.2 experiments: plasma response and divertor heat-load balancing in response to trim coils.
Rev. 5
Sept. 2016
OK.
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2014-5Infrared ImagingG. Wurden, LANLT. S. Pedersen• Continue real-time image data analysis software development.
• Design, construct, install 2-mirror system for AEK51 port, to view the upper scraper element.
• Prepare visible and IR imaging of TDU divertors and scraper element for OP1.2, and participate in OP1.2.
Rev. 5
Sept. 2016
OK.
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2014-6Pellet Injection ProgramL. Baylor, J. Harris, ORNLJ. Baldzuhn• Document a pre-conceptual design for a steady-state pellet injection system.
• Develop a collaborative project strategy with NIFS and IPP.
• Contribute as appropriate to an integrated R&D plan for fusion reactor fueling, being developed by ORNL.
• Participate in ORNL prototype extruder testing.
•  OP1.2: Participate in pellet injection studies using existing IPP injector.
Rev. 4
Sept. 2015
OK.
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22 Nov 2016
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