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NSTX Team Meeting

Office of Science. Supported by. NSTX Team Meeting. College W&M Colorado Sch Mines Columbia U Comp-X General Atomics INEL Johns Hopkins U LANL LLNL Lodestar MIT Nova Photonics New York U Old Dominion U ORNL PPPL PSI Princeton U SNL Think Tank, Inc. UC Davis UC Irvine UCLA

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NSTX Team Meeting

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  1. Office of Science Supported by NSTX Team Meeting College W&M Colorado Sch Mines Columbia U Comp-X General Atomics INEL Johns Hopkins U LANL LLNL Lodestar MIT Nova Photonics New York U Old Dominion U ORNL PPPL PSI Princeton U SNL Think Tank, Inc. UC Davis UC Irvine UCLA UCSD U Colorado U Maryland U Rochester U Washington U Wisconsin August 29, 2007 Culham Sci Ctr U St. Andrews York U Chubu U Fukui U Hiroshima U Hyogo U Kyoto U Kyushu U Kyushu Tokai U NIFS Niigata U U Tokyo JAERI Hebrew U Ioffe Inst RRC Kurchatov Inst TRINITI KBSI KAIST ENEA, Frascati CEA, Cadarache IPP, Jülich IPP, Garching ASCR, Czech Rep

  2. NSTX Team Meeting Agenda Time: 1:30 ~ 3:00, Place LSB-318, August 29, 2007 • General Items • Outage Updates • NSTX Next Five Year Plan Preparation

  3. Safely, Safely, Safely • ES&H Issues (J. Levine) • Looking at hazards - Job Hazard Analysis. (A. von Halle, J. Levine) • Newly updated Lockout / Tagout Training (Needed for the NTC access) A training session was held last week, August 22, 2007. More will be given. Please take the training at your first opportunity. • Hazard Awareness Training (W. Slavin) • Please File Proper Visitor Forms (J. Savino)

  4. ST-DEMO ST-PE ST-CTF NHTX ARIES-ST Compact CTF NSTX Spherical Torus Fusion Development Path Realistic Steps Toward Attractive DEMO • ST is a low-aspect-ratio tokamak (R/a ~ 1.5) • Attractive physics features: • • Naturally high elongation • • High beta • • High shape-factor ST-PoP • Attractive reactor features: • • A simple inexpensive demountable TF Coil. • • Allowing radically simplified maintenance. PEGASUS LTX M. Ono FESAC 1

  5. ST-CTF Next Steps in ST Development Path Present ST program contributes physics basis for the crucial next step ST devices NHTX (PE-ST) at 3 - 4 MA range provides cost effective physics / technology basis in support for CTF and DEMO: Demonstrate stable continuous high-performance operation with very high heat flux and acceptable hydrogen isotope retention. Compact ST-CTF at ~ 10 MA range provide a compact nuclear component test facility to support DEMO: Provide ~ 6 Mwyr/m2 neutron over ~ 10 m2 with acceptable level of tritium consumption M. Ono FESAC 6

  6. ST-CTF DEMO Broad Contributions of ST Research Program STs Advanced Physics, Plasma-Materials Interactions NHTX PEGASUS ARIES-ST Nuclear Component Testing ARIES-AT NSTX Burning Plasma Physics ARIES-CS LTX ITER M. Ono FESAC 7

  7. 1. To provide physics design basis and operational scenario support for ITER through active participation in ITPA and the US BPO, and also 2. To provide the physics basis and operational scenario for the next- step experiments such as NHTX. 3. To provide the physics basis required for optimizing the conceptual designs for ST-CTF and ST-DEMO. 4. To advance the understanding of toroidal magnetic confinement of plasmas generally. NSTX Mission Elements NSTX/ST Strength: • Exceptionally wide operating plasma parameter space • High degree of facility flexibility • Highly accessible plasmas - unique diagnostics

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