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Fast ignition hot spot break-even scaling
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10.1063/1.1921672
/content/aip/journal/pop/12/6/10.1063/1.1921672
http://aip.metastore.ingenta.com/content/aip/journal/pop/12/6/10.1063/1.1921672
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

(Color). A schematic of the initial fuel assembly for this fast ignition study. The blue represents a spherical mass of compressed fuel. The black is the simulation geometry representing the limit of a large spherical mass. The red region is the hot spot generated by the deposition of energetic particles (electrons or ions) in the dense DT fuel.

Image of FIG. 2.
FIG. 2.

A snapshot at 30 ps into a typical simulation (, , and ), (a) contour of the ion temperature, and (b) a contour of the DT density. Note that the initial DT mass was hemispherical with as depicted in Fig. 1, but only the region of interest is shown.

Image of FIG. 3.
FIG. 3.

The DT density and ion temperature plotted as a function of for the same simulation as depicted in Fig. 2 and at the same time.

Image of FIG. 4.
FIG. 4.

(a) The fusion power and (b) the ion and electron temperatures are plotted as a function of time for the same simulation as Figs. 2 and 3.

Image of FIG. 5.
FIG. 5.

(Color). The hot spot fusion gain is plotted as a function of for simulations with initial DT densities of 50, 100, 200, and .

Image of FIG. 6.
FIG. 6.

(Color). The hot spot fusion gain is plotted as a function of the heating pulse length for simulations with initial DT densities of 50, 100, 200, and .

Image of FIG. 7.
FIG. 7.

(a) The optimal pulse length and (b) minimum energy required for , , are plotted as a function of the initial DT density with diamonds. Fits to the results are also plotted as dashed curves.

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/content/aip/journal/pop/12/6/10.1063/1.1921672
2005-05-26
2014-04-21
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Fast ignition hot spot break-even scaling
http://aip.metastore.ingenta.com/content/aip/journal/pop/12/6/10.1063/1.1921672
10.1063/1.1921672
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