Results 71 to 80 of about 1,399,245 (94)

Recent Improvements in Fast Wave Heating in NSTX

, 2009
Recent improvements in high-harmonic fast wave (HHFW) core heating in NSTX are attributed to using lithium conditioning, and other wall conditioning techniques, to move the onset density for perpendicular fast wave propagation further from the antenna ...
G. Taylor, R.E. Bell, R.W. Harvey, J.C. Hosea, E.F. Jaeger, B.P. LeBlanc, C.K. Phillips, P.M. Ryan, E.J. Valeo, J.B. Wilgen, J.R. Wilson, and the NSTX Team
core  

Extended osteoarthritis pain relief with neosaxitoxin using alginate-core polymeric microparticles.

Nanoscale
Zhang H, Baby HM, Ishihara S, Zhang C, Li J, Adamczyk NS, Cohen EM, Miller RE, Bajpayee AG.   +8 more
europepmc   +1 more source

A control oriented strategy of disruption prediction to avoid the configuration collapse of tokamak reactors. [PDF]

Nat Commun
Murari A, Rossi R, Craciunescu T, Vega J, JET Contributors, Gelfusa M.   +5 more
europepmc   +1 more source

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Fast wave heating in the NSTX-Upgrade device

AIP Conference Proceedings, 2014
NSTX-Upgrade will operate with toroidal magnetic fields (BT) up to 1 T, nearly twice the value used in the experiments on NSTX, and the available NBI power will be doubled. The doubling of BT while retaining the 30 MHz RF source frequency has moved the heating regime from the high harmonic fast wave (HHFW) regime used in NSTX to the mid harmonic fast ...
N. Bertelli, E. F. Jaeger, L. Berry, P. T. Bonoli, R. Budny, G.-Y. Fu, S. Gerhardt, D. L. Green, R. W. Harvey, J. C. Hosea, G. J. Kramer, B. LeBlanc, R. J. Perkins, C. K. Phillips, P. Ryan, G. Taylor, E. J. Valeo, J. R. Wilson, J. C. Wright   +18 more
openaire   +3 more sources

Bus Design for the Poloidal Field Coils of the NSTX-Upgrade Fusion Device

IEEE Transactions on Plasma Science, 2022
Dang Cai, Jiarong Fang, Chirag Rana, Samuel Sheckman, Peter Titus, Steve Raftopoulos   +5 more
openaire   +3 more sources

Wall Conditioning Systems for the NSTX-U Fusion Device

IEEE Transactions on Plasma Science, 2020
D. Cai, W. Blanchard, M. Cropper
openaire   +3 more sources

Center Stack Casing Bakeout BUS Design for the NSTX-Upgrade Fusion Device

Fusion Science and Technology, 2021
D. Cai, P. Titus, C. Rana, H. Zhang, S. Sheckman   +4 more
openaire   +3 more sources

Diagnostic Development on NSTX [PDF]

, 1999
Diagnostics are described which are currently installed or under active development for the newly commissioned NSTX device. The low aspect ratio (R/a less than or equal to 1.3) and low toroidal field (0.1-0.3T) used in this device dictate adaptations in ...
Robert Kaita, A L Roquemore
exaly   +2 more sources

Predicting HHFW Heating Efficiency on NSTX via Whole-Device Full-Wave Simulation

AIP Conference Proceedings, 2011
We present a qualitative comparison of NSTX HHFW heating efficiency observations[1, 2] with results from the AORSA[3] whole‐device, linear simulation. The simulation retains a realistic geometry and core plasma kinetic physics such that scrape‐off plasma linear RF fields can be calculated. By examining L‐mode and neutral beam heated H‐mode scenarios we
D. L. Green, E. F. Jaeger, L. A. Berry, P. M. Ryan, Cynthia K. Phillips, James R. Wilson   +5 more
openaire   +1 more source

Upgrade for the NSTX Control Computer [PDF]

, 1999
The National Spherical Torus Experiment (NSTX) is a proof of scientific principle experiment as a magnetic fusion containment device. A primary goal of NSTX operations is control of the plasma current, position and shape in real time for a wide range of ...
Dennis Mueller, J R Ferron, D A Gates
exaly   +1 more source