Journal ArticleDOI
A scheme for reducing deceleration-phase Rayleigh–Taylor growth in inertial confinement fusion implosions
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In this article, a scheme is proposed to retard the deceleration-phase Rayleigh-Taylor instability growth by shock collision near the waist of the inner shell surface, which can improve the hot spot stability properties without sacrificing the fuel compression.Abstract:
It is demonstrated that the growth of acceleration-phase instabilities in inertial confinement fusion implosions can be controlled, especially in the high-foot implosions [O. A. Hurricane et al., Phys. Plasmas 21, 056314 (2014)] on the National Ignition Facility. However, the excessive growth of the deceleration-phase instabilities can still destroy the hot spot ignition. A scheme is proposed to retard the deceleration-phase Rayleigh–Taylor instability growth by shock collision near the waist of the inner shell surface. Two-dimensional radiation hydrodynamic simulations confirm the improved deceleration-phase hot spot stability properties without sacrificing the fuel compression.read more
Citations
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Journal ArticleDOI
Rayleigh–Taylor and Richtmyer-Meshkov instability induced flow, turbulence, and mixing. II
TL;DR: In this article, Zhou et al. presented the initial condition dependence of Rayleigh-Taylor (RT) and Richtmyer-Meshkov (RM) mixing layers, and introduced parameters that are used to evaluate the level of mixedness and mixed mass within the layers.
Journal Article
Shock Ignition of Thermonuclear Fuel with High Areal Density
Riccardo Betti,Karen S. Anderson,C. D. Zhou,J. Perkins,Max Tabak,P. Bedrossian,K.N. LaFortune +6 more
TL;DR: A novel method by C. Zhou and R. Betti to assemble and ignite thermonuclear fuel is presented, which features a hot-spot pressure greater than the surrounding dense fuel pressure and requires a lower energy threshold than the conventional isobaric one.
Journal ArticleDOI
Theoretical and simulation research of hydrodynamic instabilities in inertial-confinement fusion implosions
Li-Feng Wang,Li-Feng Wang,Wenhua Ye,Wenhua Ye,Xiantu He,Jun-Feng Wu,Zhengfeng Fan,C. Xue,Hong-Yu Guo,Wen Yong Miao,Yongteng Yuan,Jia Qin Dong,Guo Jia,Jing Zhang,Yingjun Li,Jie Liu,Jie Liu,Min Wang,Yongkun Ding,Yongkun Ding,Wei-Yan Zhang +20 more
TL;DR: In this article, the authors summarize the progress of theoretical and simulation research of hydrodynamic instabilities in the ICF central hot-spot implosion in our group over the past decade.
Journal ArticleDOI
Discrete Boltzmann modeling of Rayleigh-Taylor instability in two-component compressible flows.
Chuandong Lin,Chuandong Lin,Chuandong Lin,Aiguo Xu,Guangcai Zhang,Kai H. Luo,Kai H. Luo,Yingjun Li +7 more
TL;DR: In this article, a discrete Boltzmann model (DBM) is proposed to probe the Rayleigh-Taylor instability (RTI) in two-component compressible flows each species has a flexible specific heat ratio and is described by one discrete Boltzman equation (DBE) independent discrete velocities are adopted for the two DBEs.
Journal ArticleDOI
Collaboration and competition between Richtmyer-Meshkov instability and Rayleigh-Taylor instability
TL;DR: In this paper, the Richtmyer-Meshkov Instability (RMI) system and the coexisting system combined with Rayleigh-Taylor Instability(RTI) are simulated with a multiple-relaxation time discrete Boltzmann model.
References
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Journal ArticleDOI
Development of the indirect‐drive approach to inertial confinement fusion and the target physics basis for ignition and gain
TL;DR: In this paper, an approach to fusion that relies on either electron conduction (direct drive) or x rays (indirect drive) for energy transport to drive an implosion is presented.
Journal ArticleDOI
The physics basis for ignition using indirect-drive targets on the National Ignition Facility
John Lindl,Peter Amendt,Richard Berger,S. Gail Glendinning,Siegfried Glenzer,S. W. Haan,Robert L. Kauffman,Otto Landen,L. J. Suter +8 more
TL;DR: The 1990 National Academy of Science final report of its review of the Inertial Confinement Fusion Program recommended completion of a series of target physics objectives on the 10-beam Nova laser at the Lawrence Livermore National Laboratory as the highest priority prerequisite for proceeding with construction of an ignition-scale laser facility as mentioned in this paper.
Journal ArticleDOI
Laser Compression of Matter to Super-High Densities: Thermonuclear (CTR) Applications
TL;DR: In this article, an implosion system energized by a high energy laser was proposed to compress hydrogen to more than 10,000 times liquid density by an imploding system, which makes possible efficient thermonuclear burn of small pellets of heavy hydrogen isotopes, and makes feasible fusion power reactors using practical lasers.
MonographDOI
The physics of inertial fusion - Hydrodynamics, dense plasma physics, beam-plasma interaction
Journal ArticleDOI
Point design targets, specifications, and requirements for the 2010 ignition campaign on the National Ignition Facility
S. W. Haan,J. D. Lindl,Debra Callahan,Daniel Clark,Jay D. Salmonson,B. A. Hammel,L. J. Atherton,Robert Cook,M. J. Edwards,Siegfried Glenzer,A. V. Hamza,S. P. Hatchett,Mark Herrmann,D. E. Hinkel,Darwin Ho,H. Huang,O. S. Jones,John Kline,G. A. Kyrala,Otto Landen,B. J. MacGowan,M. M. Marinak,D. D. Meyerhofer,Jose Milovich,K. A. Moreno,Edward I. Moses,D. H. Munro,A. Nikroo,R. E. Olson,Kyle Peterson,S. M. Pollaine,Joseph Ralph,Harry Robey,Brian Spears,P. T. Springer,L. J. Suter,Cliff Thomas,Richard Town,Roger Alan Vesey,S. V. Weber,H. Wilkens,Doug Wilson +41 more
TL;DR: Miller et al. as discussed by the authors proposed a point design for the initial ignition campaign on the National Ignition Facility (NIF) using D-T fusion fuel in an ablator of either CH with Ge doping, or Be with Cu.