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FY05 - 06 NSTX Facility In Support of the NSTX Research Program

Supported by. FY05 - 06 NSTX Facility In Support of the NSTX Research Program. Columbia U Comp-X General Atomics INEL Johns Hopkins U LANL LLNL Lodestar MIT Nova Photonics NYU ORNL PPPL PSI SNL UC Davis UC Irvine UCLA UCSD U Maryland U New Mexico U Rochester U Washington

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FY05 - 06 NSTX Facility In Support of the NSTX Research Program

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  1. Supported by FY05 - 06 NSTX Facility In Support of the NSTX Research Program Columbia U Comp-X General Atomics INEL Johns Hopkins U LANL LLNL Lodestar MIT Nova Photonics NYU ORNL PPPL PSI SNL UC Davis UC Irvine UCLA UCSD U Maryland U New Mexico U Rochester U Washington U Wisconsin Culham Sci Ctr Hiroshima U HIST Kyushu Tokai U Niigata U Tsukuba U U Tokyo JAERI Ioffe Inst TRINITI KBSI KAIST ENEA, Frascati CEA, Cadarache IPP, Jülich IPP, Garching U Quebec Masayuki Ono Princeton Plasma Physics Laboratory For the NSTX National Research Team 15th NSTX PAC Meeting January 12-14, 2004 PPPL, Princeton, NJ

  2. Significant budget gap between 5 year plan and FWP budget guidance needs to be resolved 5 Year Plan Budget Plan: • 21 weeks per year operations. • ~ 10 % above the overall FY 04 presidential level for both PPPL and collaborators; relatively flat for future years. • Key upgrade investment of ~ 12% of total budget. FWP Base Budget Plan: • FY 04 Presidential budget allowed 21 run weeks and key upgrades. • Assumed flat $ at the FY 04 presidential level for FY 05 and FY 06. • However, effective reduction of ~ $0.9 M for FY 05 and ~ $1.8 M FY 06 due to inflation. • Latest information: Due to the congressional rescission, OFES has given a guidance of $500k reduction from NSTX operations with reduction of three run weeks from 21 to 18.

  3. NSTX Budget Summary ($M) * $500k rescission reduction + fin plan transfer of $140 k due to prior commitments.

  4. Facility Upgrades Summary ($k) * * OH spare was considered to be high priority spare part due to its criticality to the NSTX research at the 5 year review.

  5. Diagnostic Upgrades Summary ($k)

  6. MHD Mode Stabilization Opportunity Areas are Shape Control and RWM Plasma Operations FY05 FY06 FY04 Wall-mode sensors Ultra-soft x-ray arrays (JHU) MHD Diagnostics & Analysis Tools • Base Fast MHD sensors • Incremental Fast X-ray cameras (Frascati, JHU, PSI) Improved magnetics and EFIT (Columbia) Real time EFIT (GA) Shape Control PF1A Upgrade Faster Response PCS • Res. Field & RWM system upgrade possibilities: • - control • power supply • coil/antenna Res. Field & RWM Control (Columbia, GA) Six-element external coils with a SPA supply Design / Fabri / Instl / Test • RWM coil FDR completed (Dec. 03) • SPA supply RFQ issued (Dec. 03) • RWM coil to be installed during maintenance weeks by summer of 04

  7. Plasma Operations FY05 FY06 FY04 4 21 21 (Run Weeks) Confinement and Transport Exciting Opportunities For Advanced Fluctuation Diagnostics Core Pol CHERS Edge Pol CHERS Tor CHERS 51 Channel Profile Diagnostics ERS Upgrade Edge Rotation Spect. MPTS 20 Channels MPTS 30 Channels MPTS Third laser FIReTIP 4 Channel(UCD) FIReTIP 7 Channel (UCD) • Base MSE/CIF 10 Channel (Nova) MSE/CIF 3 Channel (Nova) MSE / LIF (Nova) • Incremental Energetic Patricles Fast Loss Ion Probe Neutron Collimator Prototype High k Microwave Scattering( UCD) Low k Reflectometer (UCLA) Low k Imaging Reflectometer Fluctuation Diagnostics Gas-puff Imaging(LANL, PSI) Reciprocating probe (UCSD)

  8. Plasma Operations FY05 FY06 FY04 4 21 21 (Run Weeks) Non-Inductive CD Systems Enhancement Opportunity Areas are EBW and Solenoid-free Start-up Plasma Feed-back phase control HHFW (6MW) ORNL/VLT, GA,UCSD, MIT HHFW Antenna Improvement • Base Pre-ionization/current ramp-up • Incremental EBW EBWE / Edge ne(r) (ORNL/MAST) MAST EBW Launcher? First I MA Tube Engineering Design (VLT, ORNL) Absorber field null control CHI (IT = 0.5 MA) U. Washington GA, LANL, UCSD Transient-Start-up Capacitor Bank Dynamo-probe (UCSD) PF Coil Start-up KAIST, U. Tokyo, GA PF 5 bi-polar power supply PF 4 power supply

  9. Plasma Operations FY05 FY06 FY04 4 21 21 (Run Weeks) Boundary Physics Exciting Enhancement Opportunity in Reduced Particle Recycling - Decision Point Wall Conditioning Li Pellet Injector Lithium Evaporator • Base Hot-boronization • Incremental (Gas/plasma Boronization, Between-shot GDC) Between-shots boronization VLT/CDX-U/LTX Liquid Lithium Module Decision Point Power / Particle Control Fast IR Camera (ORNL) Divertor IR Camera (ORNL) Divertor Cryo Panel Decision Point Divertor Horizontal Bolometer Divertor Vertcal Bolometer Divertor Thomson Scattering Fueling Supersonic Gas injector Pellet injector in "suitcase” (ORNL) (In-board gas Injectors)

  10. Some Facility/Diagnostic Related Issues • Facility not fully utilized. • Flat $ budget causes ~ 3% per year reduction in personnel; increasingly difficult to support operations and research for both PPPL and Collaborators. • Facility/Diagnostic upgrade investment fraction 7% of the total budget low compared to the 5 year plan (10 - 12%). FFCC recommends ~ 10 % for a healthy program. • Struggle to maintain facilities and diagnostics at sensible level including preventive maintenance and spare parts. • Long range capital intensive upgrades not adequately funded.

  11. Incremental Funding Enhances Science Output and Programmatic Flexibility • Restore 21 run weeks through FY06 • Improve facility capability: • • Implement deuterium pellet injector for core fueling(FY05) • • HHFW Antenna Upgrade (FY05) • • Accelerate the first MW EBW 15 GHz tube fabrication (FY05-06) • • Divertor cryo-pumping particle control system (FY06) • • RWP coil upgrade (FY06) • Improve diagnostic capability: • •Fast infrared camera for boundary physics (FY05) • • He Jet Spectroscopy (FY06) • • Divertor MPTS (FY06) • • Full poloidal CHERS (FY06) • Improve facility reliability and availability • Spare parts and preventive maintenance.

  12. Summary • New TF being commissioned: New TF should provide reliable operations for years to come. • The facility and diagnostic capabilities are being readied to support exciting FY04 run. • FY04 18 run weeks should be completed by August with September as contingency. • The flat $ FY 05 - 06 budget forces tough choices among runs and upgrades. • Incremental funding would greatly enhance NSTX science output restoring 21 run weeks and key upgrades. NSTX is well aligned with the IPPA and ITPA Science Goals

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