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Effects of background neutral particles on a field-reversed configuration plasma in the translation process
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10.1063/1.2967494
/content/aip/journal/pop/15/8/10.1063/1.2967494
http://aip.metastore.ingenta.com/content/aip/journal/pop/15/8/10.1063/1.2967494

Figures

Image of FIG. 1.
FIG. 1.

(a) Outline of the NUCTE-III experimental device used for the translation experiment. (b) Axial profile of the guide field. The solid and dashed lines indicate the guide field without and with translation, respectively.

Image of FIG. 2.
FIG. 2.

Time evolution of the guide field produced by the theta-pinch coil (a), and the auxiliary coil current without translation (b) and with translation (c).

Image of FIG. 3.
FIG. 3.

Time evolution of the axial separatrix radius profile without translation (a) and with translation (b). The separatrix radius is obtained by the excluded flux measurement. Hatching regions indicate observed FRCs in the cases with and without translation.

Image of FIG. 4.
FIG. 4.

Time evolution of typical plasma parameters: (a) total inventory, (b) poloidal flux, (c) total temperature, (d) stored energy, and (e) kinetic energy. The position of the interferometer is denoted by the symbols ◻: , ○: , △: , ▽: , and ◇: . The dashed lines represent the time evolution of each plasma parameter with translation, linearly fitted.

Image of FIG. 5.
FIG. 5.

Time evolution of the line-integrated bremsstrahlung (a) without translation, and (b)–(d) with translation, where (a) , (b) , (c) , and (d) .

Image of FIG. 6.
FIG. 6.

Contour maps of radiation intensity (bremsstrahlung) on the plane, (a) at and (b) at . The separatrix radius is (a) and (b) .

Image of FIG. 7.
FIG. 7.

Radial profiles of the bremsstrahlung, and intensities at , (a) immediately before and (b) during the passage of the FRC plasma.

Image of FIG. 8.
FIG. 8.

Axial profiles of the neutral deuterium atom and electron density immediately after the left side formed FRC plasma was ejected.

Image of FIG. 9.
FIG. 9.

Dependence of the energy deposition ratio on the translation velocity obtained by two-dimensional particle simulation.

Tables

Generic image for table
Table I.

Typical FRC plasma parameters with and without translation.

Generic image for table
Table II.

Plasma loss rate with and without translation.

Generic image for table
Table III.

Characteristic length of charge exchange and ionization by electron impact .

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/content/aip/journal/pop/15/8/10.1063/1.2967494
2008-08-18
2014-04-20
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Effects of background neutral particles on a field-reversed configuration plasma in the translation process
http://aip.metastore.ingenta.com/content/aip/journal/pop/15/8/10.1063/1.2967494
10.1063/1.2967494
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