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Intra-jet shocks in two counter-streaming, weakly collisional plasma jets
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10.1063/1.4736973
/content/aip/journal/pop/19/7/10.1063/1.4736973
http://aip.metastore.ingenta.com/content/aip/journal/pop/19/7/10.1063/1.4736973

Figures

Image of FIG. 1.
FIG. 1.

Two modestly diverging jets formed on planar targets facing each other. The time when significant overlap has already occurred is shown. The right panel is a sketch of the radial density distribution in the mid-plane. After rapid electron heating, the shock can be formed in the zone of the steepest radial gradient.

Image of FIG. 2.
FIG. 2.

Compression ratio vs. the Mach number for three values of the parameter S ≡ n 1 /n*: S = ∞ (upper curve); S = 1 (middle curve); S = 0.5 lower curve. Initial ion temperature is zero.

Image of FIG. 3.
FIG. 3.

Post-shock ion temperature vs. the Mach number for three values of the parameter S ≡ n 1 /n*: S = ∞ (upper curve); S = 1 (middle curve); S = 0.5 lower curve. Initial ion temperature is zero. For S = 1 and modest shock strengths, M ∼ 2.5, the ion temperature is ∼0.3ZTe , i.e., somewhat higher than Te for carbon.

Tables

Generic image for table
Table I.

Collisionality and other characteristics of two symmetric counter-propagating jets (assumptions: fully ionized carbon jets, Z = 6; ion density per jet 1018 cm−3; velocity of each jet u = 108 cm/s; electron and ion temperatures Te  = Ti  = 100 eV before fast electron heating; electron temperature Te  = 1 keV after the fast electron heating, length-scale  = 1 mm).

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/content/aip/journal/pop/19/7/10.1063/1.4736973
2012-07-13
2014-04-18
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Intra-jet shocks in two counter-streaming, weakly collisional plasma jets
http://aip.metastore.ingenta.com/content/aip/journal/pop/19/7/10.1063/1.4736973
10.1063/1.4736973
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