Designs for highly nonlinear ablative Rayleigh-Taylor experiments on the National Ignition Facility
We present two designs relevant to ablative Rayleigh-Taylor instability in transition from weakly nonlinear to highly nonlinear regimes at the National Ignition Facility [E. I. Moses, J. Phys.: Conf. Ser. 112, 012003 (2008)]. The sensitivity of nonlinear Rayleigh-Taylor instability physics to ablati...
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| Veröffentlicht in: | Physics of plasmas 2012-08, Vol.19 (8) |
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| creator | Casner, A. Smalyuk, V. A. Masse, L. Igumenshchev, I. Liberatore, S. Jacquet, L. Chicanne, C. Loiseau, P. Poujade, O. Bradley, D. K. Park, H. S. Remington, B. A. |
| description | We present two designs relevant to ablative Rayleigh-Taylor instability in transition from weakly nonlinear to highly nonlinear regimes at the National Ignition Facility [E. I. Moses, J. Phys.: Conf. Ser. 112, 012003 (2008)]. The sensitivity of nonlinear Rayleigh-Taylor instability physics to ablation velocity is addressed with targets driven by indirect drive, with stronger ablative stabilization, and by direct drive, with weaker ablative stabilization. The indirect drive design demonstrates the potential to reach a two-dimensional bubble-merger regime with a 20 ns duration drive at moderate radiation temperature. The direct drive design achieves a 3 to 5 times increased acceleration distance for the sample in comparison to previous experiments allowing at least 2 more bubble generations when starting from a three-dimensional broadband spectrum. |
| doi_str_mv | 10.1063/1.4737901 |
| format | Article |
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A. ; Masse, L. ; Igumenshchev, I. ; Liberatore, S. ; Jacquet, L. ; Chicanne, C. ; Loiseau, P. ; Poujade, O. ; Bradley, D. K. ; Park, H. S. ; Remington, B. A.</creator><creatorcontrib>Casner, A. ; Smalyuk, V. A. ; Masse, L. ; Igumenshchev, I. ; Liberatore, S. ; Jacquet, L. ; Chicanne, C. ; Loiseau, P. ; Poujade, O. ; Bradley, D. K. ; Park, H. S. ; Remington, B. A.</creatorcontrib><description>We present two designs relevant to ablative Rayleigh-Taylor instability in transition from weakly nonlinear to highly nonlinear regimes at the National Ignition Facility [E. I. Moses, J. Phys.: Conf. Ser. 112, 012003 (2008)]. The sensitivity of nonlinear Rayleigh-Taylor instability physics to ablation velocity is addressed with targets driven by indirect drive, with stronger ablative stabilization, and by direct drive, with weaker ablative stabilization. The indirect drive design demonstrates the potential to reach a two-dimensional bubble-merger regime with a 20 ns duration drive at moderate radiation temperature. 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A.</creatorcontrib><creatorcontrib>Masse, L.</creatorcontrib><creatorcontrib>Igumenshchev, I.</creatorcontrib><creatorcontrib>Liberatore, S.</creatorcontrib><creatorcontrib>Jacquet, L.</creatorcontrib><creatorcontrib>Chicanne, C.</creatorcontrib><creatorcontrib>Loiseau, P.</creatorcontrib><creatorcontrib>Poujade, O.</creatorcontrib><creatorcontrib>Bradley, D. K.</creatorcontrib><creatorcontrib>Park, H. S.</creatorcontrib><creatorcontrib>Remington, B. A.</creatorcontrib><title>Designs for highly nonlinear ablative Rayleigh-Taylor experiments on the National Ignition Facility</title><title>Physics of plasmas</title><description>We present two designs relevant to ablative Rayleigh-Taylor instability in transition from weakly nonlinear to highly nonlinear regimes at the National Ignition Facility [E. I. Moses, J. Phys.: Conf. Ser. 112, 012003 (2008)]. The sensitivity of nonlinear Rayleigh-Taylor instability physics to ablation velocity is addressed with targets driven by indirect drive, with stronger ablative stabilization, and by direct drive, with weaker ablative stabilization. The indirect drive design demonstrates the potential to reach a two-dimensional bubble-merger regime with a 20 ns duration drive at moderate radiation temperature. The direct drive design achieves a 3 to 5 times increased acceleration distance for the sample in comparison to previous experiments allowing at least 2 more bubble generations when starting from a three-dimensional broadband spectrum.</description><subject>70 PLASMA PHYSICS AND FUSION TECHNOLOGY</subject><subject>ABLATION</subject><subject>Broadband</subject><subject>BUBBLES</subject><subject>DESIGN</subject><subject>DISTANCE</subject><subject>Ignition</subject><subject>INERTIAL CONFINEMENT</subject><subject>NONLINEAR PROBLEMS</subject><subject>Nonlinearity</subject><subject>Plasmas</subject><subject>RAYLEIGH-TAYLOR INSTABILITY</subject><subject>SENSITIVITY</subject><subject>SPECTRA</subject><subject>Stabilization</subject><subject>Three dimensional</subject><subject>THREE-DIMENSIONAL CALCULATIONS</subject><subject>TWO-DIMENSIONAL CALCULATIONS</subject><subject>US NATIONAL IGNITION FACILITY</subject><issn>1070-664X</issn><issn>1089-7674</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2012</creationdate><recordtype>article</recordtype><recordid>eNqd0MtKAzEUBuBBFKyXhW8QcKPC1NwmmVmKWhVEQSq4C5nMSRuJSZ3EYt_eqS24d5Uf8nEO5y-KE4LHBAt2ScZcMtlgslOMCK6bUgrJd9dZ4lII_rZfHKT0jjHmoqpHhbmB5GYhIRt7NHezuV-hEIN3AXSPdOt1dktAL3rlYfgtp0MYJHwvoHcfEHJCMaA8B_Q0yBi0Rw-z4NYRTbRx3uXVUbFntU9wvH0Pi9fJ7fT6vnx8vnu4vnosDacilwKwlZ1tGkMFqznvuKipAYwtbWnD64rhlptKNx0RdWsx0bZqJZGsqnhnmGSHxelmbkzZqWRcBjM3MQQwWVGKa4ErPqizjVr08fMLUlYfLhnwXgeIX0kRRhklhAs20PMNNX1MqQerFsPRul8pgtW6bkXUtu7BXmzseu9vFf_Dy9j_QbXoLPsBpxON8A</recordid><startdate>20120801</startdate><enddate>20120801</enddate><creator>Casner, A.</creator><creator>Smalyuk, V. 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A.</creatorcontrib><creatorcontrib>Masse, L.</creatorcontrib><creatorcontrib>Igumenshchev, I.</creatorcontrib><creatorcontrib>Liberatore, S.</creatorcontrib><creatorcontrib>Jacquet, L.</creatorcontrib><creatorcontrib>Chicanne, C.</creatorcontrib><creatorcontrib>Loiseau, P.</creatorcontrib><creatorcontrib>Poujade, O.</creatorcontrib><creatorcontrib>Bradley, D. K.</creatorcontrib><creatorcontrib>Park, H. S.</creatorcontrib><creatorcontrib>Remington, B. A.</creatorcontrib><collection>CrossRef</collection><collection>Solid State and Superconductivity Abstracts</collection><collection>Technology Research Database</collection><collection>Aerospace Database</collection><collection>Advanced Technologies Database with Aerospace</collection><collection>OSTI.GOV</collection><jtitle>Physics of plasmas</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Casner, A.</au><au>Smalyuk, V. A.</au><au>Masse, L.</au><au>Igumenshchev, I.</au><au>Liberatore, S.</au><au>Jacquet, L.</au><au>Chicanne, C.</au><au>Loiseau, P.</au><au>Poujade, O.</au><au>Bradley, D. K.</au><au>Park, H. S.</au><au>Remington, B. A.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Designs for highly nonlinear ablative Rayleigh-Taylor experiments on the National Ignition Facility</atitle><jtitle>Physics of plasmas</jtitle><date>2012-08-01</date><risdate>2012</risdate><volume>19</volume><issue>8</issue><issn>1070-664X</issn><eissn>1089-7674</eissn><coden>PHPAEN</coden><abstract>We present two designs relevant to ablative Rayleigh-Taylor instability in transition from weakly nonlinear to highly nonlinear regimes at the National Ignition Facility [E. I. Moses, J. Phys.: Conf. Ser. 112, 012003 (2008)]. The sensitivity of nonlinear Rayleigh-Taylor instability physics to ablation velocity is addressed with targets driven by indirect drive, with stronger ablative stabilization, and by direct drive, with weaker ablative stabilization. The indirect drive design demonstrates the potential to reach a two-dimensional bubble-merger regime with a 20 ns duration drive at moderate radiation temperature. The direct drive design achieves a 3 to 5 times increased acceleration distance for the sample in comparison to previous experiments allowing at least 2 more bubble generations when starting from a three-dimensional broadband spectrum.</abstract><cop>United States</cop><doi>10.1063/1.4737901</doi><tpages>10</tpages></addata></record> |
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| subjects | 70 PLASMA PHYSICS AND FUSION TECHNOLOGY ABLATION Broadband BUBBLES DESIGN DISTANCE Ignition INERTIAL CONFINEMENT NONLINEAR PROBLEMS Nonlinearity Plasmas RAYLEIGH-TAYLOR INSTABILITY SENSITIVITY SPECTRA Stabilization Three dimensional THREE-DIMENSIONAL CALCULATIONS TWO-DIMENSIONAL CALCULATIONS US NATIONAL IGNITION FACILITY |
| title | Designs for highly nonlinear ablative Rayleigh-Taylor experiments on the National Ignition Facility |
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