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One-dimensional planar hydrodynamic theory of shock ignition
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| Zeitschriftentitel: | Physics of Plasmas |
|---|---|
| Personen und Körperschaften: | , |
| In: | Physics of Plasmas, 18, 2011, 8 |
| Format: | E-Article |
| Sprache: | Englisch |
| veröffentlicht: |
AIP Publishing
|
| Schlagwörter: |
| author_facet |
Nora, R. Betti, R. Nora, R. Betti, R. |
|---|---|
| author |
Nora, R. Betti, R. |
| spellingShingle |
Nora, R. Betti, R. Physics of Plasmas One-dimensional planar hydrodynamic theory of shock ignition Condensed Matter Physics |
| author_sort |
nora, r. |
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Nora, R. Betti, R. 1070-664X 1089-7674 AIP Publishing Condensed Matter Physics http://dx.doi.org/10.1063/1.3619827 <jats:p>A one-dimensional planar compressible-piston-like model is used to investigate the basic physics behind shock-ignition inertial confinement fusion implosions. We discuss the theoretical limit set by rarefaction waves on the maximum hot-spot pressure achievable through conventional compression. Three ignitor shock techniques are presented to mitigate the effects of rarefaction waves, enhance the stagnation hot-spot pressure, and improve the ignition conditions. Elimination of rarefaction waves can lead to an ∼80% increase in peak implosion pressures, while implosions augmented with ignitor shocks are shown to increase the peak pressures by a factor of ∼4. These techniques are then discussed and the optimal energy ratio between the initial shell kinetic energy and the ignitor pulse energy is given.</jats:p> One-dimensional planar hydrodynamic theory of shock ignition Physics of Plasmas |
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AIP Publishing, 2011 |
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| title |
One-dimensional planar hydrodynamic theory of shock ignition |
| title_unstemmed |
One-dimensional planar hydrodynamic theory of shock ignition |
| title_full |
One-dimensional planar hydrodynamic theory of shock ignition |
| title_fullStr |
One-dimensional planar hydrodynamic theory of shock ignition |
| title_full_unstemmed |
One-dimensional planar hydrodynamic theory of shock ignition |
| title_short |
One-dimensional planar hydrodynamic theory of shock ignition |
| title_sort |
one-dimensional planar hydrodynamic theory of shock ignition |
| topic |
Condensed Matter Physics |
| url |
http://dx.doi.org/10.1063/1.3619827 |
| publishDate |
2011 |
| physical |
|
| description |
<jats:p>A one-dimensional planar compressible-piston-like model is used to investigate the basic physics behind shock-ignition inertial confinement fusion implosions. We discuss the theoretical limit set by rarefaction waves on the maximum hot-spot pressure achievable through conventional compression. Three ignitor shock techniques are presented to mitigate the effects of rarefaction waves, enhance the stagnation hot-spot pressure, and improve the ignition conditions. Elimination of rarefaction waves can lead to an ∼80% increase in peak implosion pressures, while implosions augmented with ignitor shocks are shown to increase the peak pressures by a factor of ∼4. These techniques are then discussed and the optimal energy ratio between the initial shell kinetic energy and the ignitor pulse energy is given.</jats:p> |
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| author | Nora, R., Betti, R. |
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| description | <jats:p>A one-dimensional planar compressible-piston-like model is used to investigate the basic physics behind shock-ignition inertial confinement fusion implosions. We discuss the theoretical limit set by rarefaction waves on the maximum hot-spot pressure achievable through conventional compression. Three ignitor shock techniques are presented to mitigate the effects of rarefaction waves, enhance the stagnation hot-spot pressure, and improve the ignition conditions. Elimination of rarefaction waves can lead to an ∼80% increase in peak implosion pressures, while implosions augmented with ignitor shocks are shown to increase the peak pressures by a factor of ∼4. These techniques are then discussed and the optimal energy ratio between the initial shell kinetic energy and the ignitor pulse energy is given.</jats:p> |
| doi_str_mv | 10.1063/1.3619827 |
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| id | ai-49-aHR0cDovL2R4LmRvaS5vcmcvMTAuMTA2My8xLjM2MTk4Mjc |
| imprint | AIP Publishing, 2011 |
| imprint_str_mv | AIP Publishing, 2011 |
| institution | DE-Bn3, DE-Brt1, DE-D161, DE-Gla1, DE-Zi4, DE-15, DE-Pl11, DE-Rs1, DE-105, DE-14, DE-Ch1, DE-L229, DE-D275 |
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| spelling | Nora, R. Betti, R. 1070-664X 1089-7674 AIP Publishing Condensed Matter Physics http://dx.doi.org/10.1063/1.3619827 <jats:p>A one-dimensional planar compressible-piston-like model is used to investigate the basic physics behind shock-ignition inertial confinement fusion implosions. We discuss the theoretical limit set by rarefaction waves on the maximum hot-spot pressure achievable through conventional compression. Three ignitor shock techniques are presented to mitigate the effects of rarefaction waves, enhance the stagnation hot-spot pressure, and improve the ignition conditions. Elimination of rarefaction waves can lead to an ∼80% increase in peak implosion pressures, while implosions augmented with ignitor shocks are shown to increase the peak pressures by a factor of ∼4. These techniques are then discussed and the optimal energy ratio between the initial shell kinetic energy and the ignitor pulse energy is given.</jats:p> One-dimensional planar hydrodynamic theory of shock ignition Physics of Plasmas |
| spellingShingle | Nora, R., Betti, R., Physics of Plasmas, One-dimensional planar hydrodynamic theory of shock ignition, Condensed Matter Physics |
| title | One-dimensional planar hydrodynamic theory of shock ignition |
| title_full | One-dimensional planar hydrodynamic theory of shock ignition |
| title_fullStr | One-dimensional planar hydrodynamic theory of shock ignition |
| title_full_unstemmed | One-dimensional planar hydrodynamic theory of shock ignition |
| title_short | One-dimensional planar hydrodynamic theory of shock ignition |
| title_sort | one-dimensional planar hydrodynamic theory of shock ignition |
| title_unstemmed | One-dimensional planar hydrodynamic theory of shock ignition |
| topic | Condensed Matter Physics |
| url | http://dx.doi.org/10.1063/1.3619827 |