scholarly journals Progress towards Steady State at Low Aspect Ratio on the National Spherical Torus Experiment (NSTX)

2007 ◽  
Author(s):  
◽  
Keyword(s):  
Steady State ◽  
Aspect Ratio ◽  
Spherical Torus ◽  
Low Aspect Ratio

scholarly journals Progress towards steady state at low aspect ratio on the National Spherical Torus Experiment (NSTX)

2007 ◽  
Vol 47 (9) ◽  
pp. 1376-1382 ◽  
Author(s):  
D.A. Gates ◽  
J. Menard ◽  
R. Maingi ◽  
S. Kaye ◽  
S.A. Sabbagh ◽  
...  
Keyword(s):  
Steady State ◽  
Aspect Ratio ◽  
Spherical Torus ◽  
Low Aspect Ratio

scholarly journals Steady-State Approach to Low-Aspect-Ratio Reversed-Field Pinch Nuclear Fusion Reactor

2005 ◽  
Vol 81 (11) ◽  
pp. 932-943 ◽  
Author(s):  
Shoichi SHIINA ◽  
Yasuyuki YAGI ◽  
Hisaya SUGIMOTO ◽  
Hisao ASHIDA ◽  
Yoichi HIRANO ◽  
...  
Keyword(s):  
Steady State ◽  
Aspect Ratio ◽  
Fusion Reactor ◽  
Nuclear Fusion ◽  
Reversed Field Pinch ◽  
Nuclear Fusion Reactor ◽  
Low Aspect Ratio ◽  
Reversed Field

Energy confinement scaling in the low aspect ratio National Spherical Torus Experiment (NSTX)

2006 ◽  
Vol 46 (10) ◽  
pp. 848-857 ◽  
Author(s):  
S.M Kaye ◽  
M.G Bell ◽  
R.E Bell ◽  
E.D Fredrickson ◽  
B.P LeBlanc ◽  
...  
Keyword(s):  
Aspect Ratio ◽  
Spherical Torus ◽  
Energy Confinement ◽  
Low Aspect Ratio

On the Existence of an Oscillatory Approach to Steady Natural Convection in Cavities

1984 ◽  
Vol 106 (1) ◽  
pp. 104-108 ◽  
Author(s):  
J. C. Patterson
Keyword(s):  
Steady State ◽  
Natural Convection ◽  
Aspect Ratio ◽  
Transient Flow ◽  
Wave Activity ◽  
Scaling Analysis ◽  
Transient Phase ◽  
Low Aspect Ratio ◽  
Approach To Steady State ◽  
Rayleigh Numbers

The recent paper by Patterson and Imberger [1], which analysed the transient phase of natural convection in low aspect ratio cavities, gave a criterion for the presence of an oscillatory approach to steady state in such flows. However, the experiments of Yewell et al. [3] displayed no evidence of this oscillatory approach, even though the criterion was apparently satisfied. In this paper, it is shown that since the flow regimes are described by a series of critical Rayleigh numbers, the ordering of which changes with changing aspect ratio, a criterion for the existence of transient internal waves, valid for all orderings, may be established. Further, the results of [1] are extended by means of flow descriptions valid for two additional orderings. Consequently, it is shown that the experiments addressed a transient flow regime in which internal wave activity would not be expected and that the experimental results are in support of the scaling analysis of [1].

Development of an Ion Beam Probe System for Potential Measurement in the Low Aspect-Ratio Torus Experiment Device

2012 ◽  
Vol 132 (7) ◽  
pp. 567-573
Author(s):  
Hitoshi Tanaka ◽  
Shota Omi ◽  
Jun Katsuma ◽  
Yurie Yamamoto ◽  
Masaki Uchida ◽  
...  
Keyword(s):  
Aspect Ratio ◽  
Ion Beam ◽  
Potential Measurement ◽  
Low Aspect Ratio ◽  
Probe System ◽  
Experiment Device
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