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On the structure of plasma liners for plasma jet induced magnetoinertial fusion
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10.1063/1.4789887
/content/aip/journal/pop/20/2/10.1063/1.4789887
http://aip.metastore.ingenta.com/content/aip/journal/pop/20/2/10.1063/1.4789887

Figures

Image of FIG. 1.
FIG. 1.

Density ( ) of the detached jet. (a) Initial density; (b) density before merging radius.

Image of FIG. 2.
FIG. 2.

Density, pressure, temperature, and average ionization across the center of the detached argon jet.

Image of FIG. 3.
FIG. 3.

Jet expansion comparison of numerical simulation result (blue solid line), analytic model of long jet (green dashed-dotted), and analytic model of short jet (red dashed line).

Image of FIG. 4.
FIG. 4.

Average values of pressure, temperature, m (average ionization), and Mach number of a detached argon jet.

Image of FIG. 5.
FIG. 5.

Density ( ) contours before merger (a, b) and after merger (c, d) of 30 argon plasma jets.

Image of FIG. 6.
FIG. 6.

Pressure (bar) contours before merger (a, b) and after merger (c, d) of 30 argon plasma jets.

Image of FIG. 7.
FIG. 7.

Average ionization contours before merger (a, b) and after merger (c, d) of 30argon plasma jets.

Image of FIG. 8.
FIG. 8.

(a) Density distribution on a slice of 3-dimensional data at stagnation and (b) schematic of oblique shocks in the jets merger process.

Image of FIG. 9.
FIG. 9.

(a) Initial density of the 2-dimensional jet merger simulation and (b) density distribution showing the first and second cascades of oblique shocks ( ).

Image of FIG. 10.
FIG. 10.

First cascade of oblique shock waves in 2-dimensional jet merger simulation.

Image of FIG. 11.
FIG. 11.

Second cascade of oblique shock waves in 2-dimensional jet merger simulation.

Image of FIG. 12.
FIG. 12.

Evolution of average Mach numbers of 1-dimensional and 3-dimensional liners.

Image of FIG. 13.
FIG. 13.

Distribution of density (a) andpressure (b) during stagnation of the 3-dimensional liner averaged in radial coordinates (solid blue line), the 1-dimensional liner initialized with sharp profile at the merging radius (green dashed-dotted line) and the 1-dimensional liner initialized with same profile as the 3-dimensional liner at the merging radius (red dashed line).

Image of FIG. 14.
FIG. 14.

Distribution of density and pressure on a 10 cm radius spherical slice of 3-dimensional liner data when t = 0.0253 ms.

Image of FIG. 15.
FIG. 15.

Mesh convergence studies of 3-dimensional liner formation and implosion simulation. Evolution of average Mach number using three different mesh sizes is shown.

Tables

Generic image for table
Table I.

Comparison of simulations and theory of states in the first oblique shock wave.

Generic image for table
Table II.

Comparison of simulations and theory of states in the second oblique shock wave.

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/content/aip/journal/pop/20/2/10.1063/1.4789887
2013-02-08
2014-04-21
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: On the structure of plasma liners for plasma jet induced magnetoinertial fusion
http://aip.metastore.ingenta.com/content/aip/journal/pop/20/2/10.1063/1.4789887
10.1063/1.4789887
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