Development of the CD Symcap platform to study gas-shell mix in implosions at the National Ignition Facility

Casey D. T.; Smalyuk V. A.; Tipton R. E.; Pino J. E.; Grim G. P.; Remington B. A.; Rowley D. P.; Weber S. V.; Barrios M.; Benedetti L. R.; Bleuel D. L.; Bond E. J.; Bradley D. K.; Caggiano J. A.; Callahan D. A.; Cerjan C. J.; Chen K. C.; Edgell D. H.; Edwards M. J.; Fittinghoff D.; Frenje J. A.; Gatu-Johnson M.; Glebov V. Y.; Glenn S.; Guler N.; Haan S. W.; Hamza A.; Hatarik R.; Herrmann H. W.; Hoover D.; Hsing W. W.; Izumi N.; Kervin P.; Khan S.; Kilkenny J. D.; Kline J.; Knauer J.; Kyrala G.; Landen O. L.; Ma T.; MacPhee A. G.; McNaney J. M.; Mintz M.; Moore A.; Nikroo A.; Pak A.; Parham T.; Petrasso R.; Rinderknecht H. G.; Sayre D. B.; Schneider M.; Stoeffl W.; Tommasini R.; Town R. P.; Widmann K.; Wilson D. C.; Yeamans C. B.

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Development of the CD Symcap platform to study gas-shell mix in implosions at the National Ignition Facility

机译：CD Symcap平台的开发，用于研究国家点火设施内爆时的气壳混合

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Surrogate implosions play an important role at the National Ignition Facility (NIF) for isolating aspects of the complex physical processes associated with fully integrated ignition experiments. The newly developed CD Symcap platform has been designed to study gas-shell mix in indirectly driven, pure T-2-gas filled CH-shell implosions equipped with 4 mu m thick CD layers. This configuration provides a direct nuclear signature of mix as the DT yield (above a characterized D contamination background) is produced by D from the CD layer in the shell, mixing into the T-gas core. The CD layer can be placed at different locations within the CH shell to probe the depth and extent of mix. CD layers placed flush with the gas-shell interface and recessed up to 8 mu m have shown that most of the mix occurs at the inner-shell surface. In addition, time-gated x-ray images of the hotspot show large brightly radiating objects traversing through the hotspot around bang-time, which are likely chunks of CH/CD plastic. This platform is a powerful new capability at the NIF for understanding mix, one of the key performance issues for ignition experiments. (C) 2014 AIP Publishing LLC.

机译：替代内爆在国家点火设施（NIF）中起着重要作用，用于隔离与完全集成的点火实验相关的复杂物理过程的各个方面。新开发的CD Symcap平台旨在研究间接驱动的，纯净的T-2-气体填充的CH壳内爆，并配备4微米厚的CD层，以研究气壳混合。这种构型提供了混合物的直接核特征，因为D是由D从壳中的CD层产生的DT产量（高于D污染本底的特征值），并混入T气核中。 CD层可以放置在CH壳内的不同位置，以探究混合的深度和程度。 CD层与气-壳界面齐平放置并凹进最多8微米，这表明大多数混合物都出现在内壳表面。此外，热点的时间选通的X射线图像显示大的明亮辐射物体围绕爆炸时间穿越热点，这些物体很可能是CH / CD塑料块。该平台是NIF强大的新功能，可用于理解混合物，这是点火实验的关键性能问题之一。（C）2014 AIP Publishing LLC。

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《Physics of plasmas》 |2014年第9期|共13页
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Casey D. T.; Smalyuk V. A.; Tipton R. E.; Pino J. E.; Grim G. P.; Remington B. A.; Rowley D. P.; Weber S. V.; Barrios M.; Benedetti L. R.; Bleuel D. L.; Bond E. J.; Bradley D. K.; Caggiano J. A.; Callahan D. A.; Cerjan C. J.; Chen K. C.; Edgell D. H.; Edwards M. J.; Fittinghoff D.; Frenje J. A.; Gatu-Johnson M.; Glebov V. Y.; Glenn S.; Guler N.; Haan S. W.; Hamza A.; Hatarik R.; Herrmann H. W.; Hoover D.; Hsing W. W.; Izumi N.; Kervin P.; Khan S.; Kilkenny J. D.; Kline J.; Knauer J.; Kyrala G.; Landen O. L.; Ma T.; MacPhee A. G.; McNaney J. M.; Mintz M.; Moore A.; Nikroo A.; Pak A.; Parham T.; Petrasso R.; Rinderknecht H. G.; Sayre D. B.; Schneider M.; Stoeffl W.; Tommasini R.; Town R. P.; Widmann K.; Wilson D. C.; Yeamans C. B.;
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1. Development of the CD Symcap platform to study gas-shell mix in implosions at the National Ignition Facility [J] . Casey D. T., Smalyuk V. A., Tipton R. E., Physics of plasmas . 2014,第9期

机译：CD Symcap平台的开发，用于研究国家点火设施内爆时的气壳混合
2. A direct-drive exploding-pusher implosion as the first step in development of a monoenergetic charged-particle backlighting platform at the National Ignition Facility [J] . Rosenberg M. J., Zylstra A. B., Seguin F. H., High energy density physics . 2016,第Null期

机译：作为国家点火装置开发单能带电粒子背光平台的第一步，直接驱动爆炸式内爆
3. Progress in the development of the MARBLE platform for studying thermonuclear burn in the presence of heterogeneous mix on OMEGA and the National Ignition Facility [J] . T J Murphy, M R Douglas, J R Fincke, Journal of Physics: Conference Series . 2016,第1期

机译：在欧米茄和国家点火设施存在异质混合中，研究热核烧伤的大理石平台的进展
4. Development of CCD cameras for soft X-ray imaging at the National Ignition Facility [C] . A.T. Teruya, N.E. Palmer, M.B. Schneider, Target diagnostics physics and engineering for inertial confinement fusion II . 2013

机译：在国家点火设施开发用于软X射线成像的CCD摄像机
5. Investigation of gamma-ray time shifts caused by capsule areal density variations in inertial confinement fusion experiments at the national ignition facility and the omega facility. [D] . Grafil, Elliot M. 2015

机译：在国家点火设施和欧米茄设施进行的惯性约束聚变实验中，对由胶囊面密度变化引起的伽马射线时移进行了研究。
6. Capsule implosions for continuum x-ray backlighting of opacity samples at the National Ignition Facility [O] . Y. P. Opachich, R. F. Heeter, M. A. Barrios, -1

机译：国家点火设施不透明样品连续X射线背光的胶囊爆破
7. Development of a Polar Drive Shock Ignition Platform on the National Ignition Facility [O] . Perkins, L J, Schurtz, G P, Betti, R, 2010

机译：在国家点火设施上开发极地驱动冲击点火平台

Development of the CD Symcap platform to study gas-shell mix in implosions at the National Ignition Facility

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