Journal ArticleDOI
Wall shocks in high-energy-density shock tube experiments
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In this paper, the authors demonstrate the effects of wall shocks in experiments performed on the Omega Laser Facility, launching shocks propagating through xenon with speeds above 100 km/s driven by ablation pressures of approximately 50 Mbars.Abstract:
The radiative precursor of a sufficiently fast shock has been observed to drive the vaporization of shock tube material ahead of the shock. The resulting expansion drives a converging blast wave into the gas volume of the tube. The effects of this wall shock may be observed and correlated with primary shock parameters. We demonstrate this process in experiments performed on the Omega Laser Facility, launching shocks propagating through xenon with speeds above 100 km/s driven by ablation pressures of approximately 50 Mbars. Wall shocks in laser experiments, in which the principal shock waves themselves should not be radiative, are also reported—in which the wall shocks have been launched by some other early energy source.read more
Citations
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Journal ArticleDOI
Linear and nonlinear waves, by G. B. Whitham. Pp.636. £50. 1999. ISBN 0 471 35942 4 (Wiley).
TL;DR: To the best of our knowledge, there is only one application of mathematical modelling to face recognition as mentioned in this paper, and it is a face recognition problem that scarcely clamoured for attention before the computer age but, having surfaced, has attracted the attention of some fine minds.
Journal ArticleDOI
Crash: A Block-Adaptive-Mesh Code for Radiative Shock Hydrodynamics - Implementation and Verification
B. van der Holst,Gabor Toth,Igor V. Sokolov,Kenneth G. Powell,James Paul Holloway,E.S. Myra,Quentin F. Stout,Marvin L. Adams,Jim E. Morel,R. P. Drake +9 more
TL;DR: The Center for Radiative Shock Hydrodynamics (CRASH) code as mentioned in this paper is a block adaptive mesh code for multi-material radiation hyddynamics, which is an extension of the Block-Adaptive Tree Solarwind Roe Upwind Scheme (BATS-RUS) code with new radiation transfer and heat conduction library and equation-of-state and multigroup opacity solvers.
Journal ArticleDOI
Crash: a block-adaptive-mesh code for radiative shock hydrodynamics—implementation and verification
B. van der Holst,Gabor Toth,Igor V. Sokolov,Kenneth G. Powell,James Paul Holloway,E.S. Myra,Quentin F. Stout,Marvin L. Adams,Jim E. Morel,Smadar Karni,Bruce Fryxell,R. P. Drake +11 more
TL;DR: The CRASH code is an extension of the Block-Adaptive Tree Solarwind Roe Upwind Scheme with a new radiation transfer and heat conduction library and equation-of-state and multi-group opacity solvers, and a suite of verification test problems are presented to demonstrate the accuracy and performance of the algorithms.
Journal ArticleDOI
The impact of recent advances in laboratory astrophysics on our understanding of the cosmos
Daniel Wolf Savin,Nancy Brickhouse,John J. Cowan,R. P. Drake,Steven R. Federman,Gary J. Ferland,Adam Frank,Murthy S. Gudipati,Wick Haxton,Eric Herbst,S. Profumo,Farid Salama,Lucy M. Ziurys,Ellen G. Zweibel +13 more
TL;DR: A broad, though non-exhaustive, overview of progress in the authors' understanding of the cosmos resulting from recent theoretical and experimental advances in what is commonly called laboratory astrophysics is provided.
Observation of a Hydrodynamically Driven, Radiative Precursor Shock
P. A. Keiter,R. P. Drake,Ted Perry,Harry Robey,Bruce Remington,Carlos A. Iglesias,Neal J. Turner,James M. Stone,J. P. Knauer +8 more
TL;DR: Observations of a radiative-precursor shock that evolves from a purely hydrodynamic system are presented, and the length and temperature profile of the radiative precursor are examined as the intensity of the laser is varied.
References
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Book
Linear and Nonlinear Waves
TL;DR: In this paper, a general overview of the nonlinear theory of water wave dynamics is presented, including the Wave Equation, the Wave Hierarchies, and the Variational Method of Wave Dispersion.
Physics of shock waves and high-temperature hydrodynamic phenomena
Ya. B. Zel'dovich,Yu. P. Raizer +1 more
TL;DR: The physics of high-temperature hydrodynamic phenomena is discussed in this article, where the authors present interpretations of the physical basis of shockwave and high temperature hydrodynamics and give practical guidance to those who work with these subjects.
Journal ArticleDOI
Linear and nonlinear waves, by G. B. Whitham. Pp.636. £50. 1999. ISBN 0 471 35942 4 (Wiley).
TL;DR: To the best of our knowledge, there is only one application of mathematical modelling to face recognition as mentioned in this paper, and it is a face recognition problem that scarcely clamoured for attention before the computer age but, having surfaced, has attracted the attention of some fine minds.
Book
Foundations of Radiation Hydrodynamics
TL;DR: In this paper, the great foundation-stones of radiating flows in astrophysics are exposed, and upon them are built the walls of methodology (some understandably incomplete). Concentration is on fundamentals but with only few applications.
Journal ArticleDOI
Experimental astrophysics with high power lasers and Z pinches
TL;DR: High energy density (HED) laboratory astrophysics as discussed by the authors is a new class of experimental science, wherein the properties of matter and the processes that occur under extreme astrophysical conditions can be examined in the laboratory.