An experimental testbed for the study of hydrodynamic issues in supernovae

H. F. Robey; J. O. Kane; B. A. Remington; R. P. Drake; O. A. Hurricane; H. Louis; R. J. Wallace; J. Knauer; P. Keiter; D. Arnett; D. D. Ryutov

doi:10.1063/1.1352594

An experimental testbed for the study of hydrodynamic issues in supernovae

H. F. Robey, J. O. Kane, B. A. Remington, R. P. Drake, O. A. Hurricane, H. Louis, R. J. Wallace, J. Knauer, P. Keiter, D. Arnett, D. D. Ryutov

Steward Observatory

Research output: Contribution to journal › Conference article › peer-review

88 Scopus citations

Abstract

More than a decade after the explosion of supernova 1987A, unresolved discrepancies still remain in attempts to numerically simulate the mixing processes initiated by the passage of a very strong shock through the layered structure of the progenitor star. Numerically computed velocities of the radioactive ⁵⁶Ni and ⁵⁶Co, produced by shock-induced explosive burning within the silicon layer, for example, are still more than 50% too low as compared with the measured velocities. To resolve such discrepancies between observation and simulation, an experimental testbed has been designed on the Omega Laser for the study of hydrodynamic issues of importance to Supernovae (SNe). In this paper, results are presented from a series of scaled laboratory experiments designed to isolate and explore several issues in the hydrodynamics of supernova explosions. The results of the experiments are compared with numerical simulations and are generally found to be in reasonable agreement.

Original language	English (US)
Pages (from-to)	2446-2453
Number of pages	8
Journal	Physics of Plasmas
Volume	8
Issue number	5 II
DOIs	https://doi.org/10.1063/1.1352594
State	Published - May 2001
Event	42nd Annual Meeting of the APS Division of Plasma Physics - Quebec, Que, Canada Duration: Oct 23 2000 → Oct 27 2000

ASJC Scopus subject areas

Condensed Matter Physics

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10.1063/1.1352594

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title = "An experimental testbed for the study of hydrodynamic issues in supernovae",

abstract = "More than a decade after the explosion of supernova 1987A, unresolved discrepancies still remain in attempts to numerically simulate the mixing processes initiated by the passage of a very strong shock through the layered structure of the progenitor star. Numerically computed velocities of the radioactive 56Ni and 56Co, produced by shock-induced explosive burning within the silicon layer, for example, are still more than 50% too low as compared with the measured velocities. To resolve such discrepancies between observation and simulation, an experimental testbed has been designed on the Omega Laser for the study of hydrodynamic issues of importance to Supernovae (SNe). In this paper, results are presented from a series of scaled laboratory experiments designed to isolate and explore several issues in the hydrodynamics of supernova explosions. The results of the experiments are compared with numerical simulations and are generally found to be in reasonable agreement.",

author = "Robey, {H. F.} and Kane, {J. O.} and Remington, {B. A.} and Drake, {R. P.} and Hurricane, {O. A.} and H. Louis and Wallace, {R. J.} and J. Knauer and P. Keiter and D. Arnett and Ryutov, {D. D.}",

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note = "42nd Annual Meeting of the APS Division of Plasma Physics ; Conference date: 23-10-2000 Through 27-10-2000",

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T1 - An experimental testbed for the study of hydrodynamic issues in supernovae

AU - Robey, H. F.

AU - Kane, J. O.

AU - Remington, B. A.

AU - Drake, R. P.

AU - Hurricane, O. A.

AU - Louis, H.

AU - Wallace, R. J.

AU - Knauer, J.

AU - Keiter, P.

AU - Arnett, D.

AU - Ryutov, D. D.

PY - 2001/5

Y1 - 2001/5

N2 - More than a decade after the explosion of supernova 1987A, unresolved discrepancies still remain in attempts to numerically simulate the mixing processes initiated by the passage of a very strong shock through the layered structure of the progenitor star. Numerically computed velocities of the radioactive 56Ni and 56Co, produced by shock-induced explosive burning within the silicon layer, for example, are still more than 50% too low as compared with the measured velocities. To resolve such discrepancies between observation and simulation, an experimental testbed has been designed on the Omega Laser for the study of hydrodynamic issues of importance to Supernovae (SNe). In this paper, results are presented from a series of scaled laboratory experiments designed to isolate and explore several issues in the hydrodynamics of supernova explosions. The results of the experiments are compared with numerical simulations and are generally found to be in reasonable agreement.

AB - More than a decade after the explosion of supernova 1987A, unresolved discrepancies still remain in attempts to numerically simulate the mixing processes initiated by the passage of a very strong shock through the layered structure of the progenitor star. Numerically computed velocities of the radioactive 56Ni and 56Co, produced by shock-induced explosive burning within the silicon layer, for example, are still more than 50% too low as compared with the measured velocities. To resolve such discrepancies between observation and simulation, an experimental testbed has been designed on the Omega Laser for the study of hydrodynamic issues of importance to Supernovae (SNe). In this paper, results are presented from a series of scaled laboratory experiments designed to isolate and explore several issues in the hydrodynamics of supernova explosions. The results of the experiments are compared with numerical simulations and are generally found to be in reasonable agreement.

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ER -

An experimental testbed for the study of hydrodynamic issues in supernovae

Abstract

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