Dynamics and energy dissipation of collisional blast waves in a perpendicular magnetic field

A. Triantafyllidis; J. R. Marquès; Y. Benkadoum; Y. De León; A. Ciardi; J. Béard; J. M. Lagarrigue; A. Dearling; N. Ozaki; M. Koenig; B. Albertazzi

doi:10.1063/5.0238064

Dynamics and energy dissipation of collisional blast waves in a perpendicular magnetic field

A. Triantafyllidis
, J. R. Marquès
, Y. Benkadoum
, Y. De León
, A. Ciardi
, J. Béard
, J. M. Lagarrigue
, A. Dearling
, N. Ozaki
, M. Koenig
, B. Albertazzi

Sorbonne Université
INSA
University of York
Osaka University

Research output: Contribution to journal › Article › peer-review

2 Citations (Scopus)

Abstract

We experimentally investigate the evolution and dynamics of laser-produced collisional blast waves (BW) under the influence of a perpendicular magnetic field up to 20 T. We show that an external magnetic field causes the BW to diverge from the Taylor-Sedov solution while also impacting its structural morphology. We notably explore the significance of various magnetohydrodynamic (MHD) processes occurring on scales similar to the width of the BW front by comparing their characteristic lengths to it and demonstrate that the downstream plasma's transition from being super- to sub-magnetosonic plays a pivotal role in the overall structure. Our results show that multiple MHD effects can contribute to shaping a magnetized BW, illustrating the complexity of the underlying physics.

Original language	English
Article number	022102
Journal	Physics of Plasmas
Volume	32
Issue number	2
DOIs	https://doi.org/10.1063/5.0238064
Publication status	Published - 1 Feb 2025

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title = "Dynamics and energy dissipation of collisional blast waves in a perpendicular magnetic field",

abstract = "We experimentally investigate the evolution and dynamics of laser-produced collisional blast waves (BW) under the influence of a perpendicular magnetic field up to 20 T. We show that an external magnetic field causes the BW to diverge from the Taylor-Sedov solution while also impacting its structural morphology. We notably explore the significance of various magnetohydrodynamic (MHD) processes occurring on scales similar to the width of the BW front by comparing their characteristic lengths to it and demonstrate that the downstream plasma's transition from being super- to sub-magnetosonic plays a pivotal role in the overall structure. Our results show that multiple MHD effects can contribute to shaping a magnetized BW, illustrating the complexity of the underlying physics.",

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T1 - Dynamics and energy dissipation of collisional blast waves in a perpendicular magnetic field

AU - Triantafyllidis, A.

AU - Marquès, J. R.

AU - Benkadoum, Y.

AU - De León, Y.

AU - Ciardi, A.

AU - Béard, J.

AU - Lagarrigue, J. M.

AU - Dearling, A.

AU - Ozaki, N.

AU - Koenig, M.

AU - Albertazzi, B.

PY - 2025/2/1

Y1 - 2025/2/1

N2 - We experimentally investigate the evolution and dynamics of laser-produced collisional blast waves (BW) under the influence of a perpendicular magnetic field up to 20 T. We show that an external magnetic field causes the BW to diverge from the Taylor-Sedov solution while also impacting its structural morphology. We notably explore the significance of various magnetohydrodynamic (MHD) processes occurring on scales similar to the width of the BW front by comparing their characteristic lengths to it and demonstrate that the downstream plasma's transition from being super- to sub-magnetosonic plays a pivotal role in the overall structure. Our results show that multiple MHD effects can contribute to shaping a magnetized BW, illustrating the complexity of the underlying physics.

AB - We experimentally investigate the evolution and dynamics of laser-produced collisional blast waves (BW) under the influence of a perpendicular magnetic field up to 20 T. We show that an external magnetic field causes the BW to diverge from the Taylor-Sedov solution while also impacting its structural morphology. We notably explore the significance of various magnetohydrodynamic (MHD) processes occurring on scales similar to the width of the BW front by comparing their characteristic lengths to it and demonstrate that the downstream plasma's transition from being super- to sub-magnetosonic plays a pivotal role in the overall structure. Our results show that multiple MHD effects can contribute to shaping a magnetized BW, illustrating the complexity of the underlying physics.

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DO - 10.1063/5.0238064

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SN - 1070-664X

VL - 32

JO - Physics of Plasmas

JF - Physics of Plasmas

IS - 2

M1 - 022102

ER -

Dynamics and energy dissipation of collisional blast waves in a perpendicular magnetic field

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