Helical plasma striations in liners in the presence of an external axial magnetic field

Atoyan, L.; Hammer, D. A.; Kusse, B. R.; Byvank, T.; Cahill, A. D.; Greenly, J. B.; Pikuz, S. A.; Shelkovenko, T. A.

doi:10.1063/1.4942787

Title: Helical plasma striations in liners in the presence of an external axial magnetic field

Journal Article · 29 February 2016 · Physics of Plasmas

DOI: https://doi.org/10.1063/1.4942787 · OSTI ID:1470170

^[1];

^[2]; Kusse, B. R. ^[2];

^[2]; Cahill, A. D. ^[2]; Greenly, J. B. ^[2]; Pikuz, S. A. ^[3]; Shelkovenko, T. A. ^[3]

Cornell Univ., Ithaca, NY (United States). Lab. of Plasma Studies; Cornell Univ., Ithaca, NY (United States)
Cornell Univ., Ithaca, NY (United States). Lab. of Plasma Studies
Cornell Univ., Ithaca, NY (United States). Lab. of Plasma Studies; Russian Academy of Sciences (RAS), Moscow (Russian Federation). Lebedev Physical Inst. (LPI)

Awe et al. found on the 20 MA Z machine [Acta Phys. Pol. A 115, 956 (2009)] that applying an externally generated axial magnetic field to an imploding liner leads to a helical pattern in the liner when viewed with soft x-ray radiography ([Phys. Rev. Lett. 111, 235005 (2013)] and [Phys. Plasmas 21, 056303 (2014)]). We show that this phenomenon is also observed in extreme ultraviolet self-emission images of 10 mm long cylindrical metal liners having varying diameters and varying wall thicknesses on a 1 MA, 100–200 ns pulsed power generator. The magnetic field in these experiments is created using either twisted return current wires positioned close to the liner, generating a time-varying B_z, or a Helmholtz coil, generating a steady-state B_z.

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Research Organization:: Cornell Univ., Ithaca, NY (United States)

Sponsoring Organization:: USDOE National Nuclear Security Administration (NNSA); National Science Foundation (NSF)

Grant/Contract Number:: NA0001836

OSTI ID:: 1470170

Journal Information:: Physics of Plasmas, Journal Name: Physics of Plasmas Journal Issue: 2 Vol. 23; ISSN PHPAEN; ISSN 1070-664X

Publisher:: American Institute of Physics (AIP)Copyright Statement

Country of Publication:: United States

Language:: English

References (11)

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Cited By (7)

Seeded and unseeded helical modes in magnetized, non-imploding cylindrical liner-plasmas Yager-Elorriaga, D. A.; Zhang, P.; Steiner, A. M. Physics of Plasmas, Vol. 23, Issue 10 https://doi.org/10.1063/1.4965240	journal	October 2016
Discrete helical modes in imploding and exploding cylindrical, magnetized liners Yager-Elorriaga, D. A.; Zhang, P.; Steiner, A. M. Physics of Plasmas, Vol. 23, Issue 12 https://doi.org/10.1063/1.4969082	journal	December 2016
Evolution of sausage and helical modes in magnetized thin-foil cylindrical liners driven by a Z-pinch Yager-Elorriaga, D. A.; Lau, Y. Y.; Zhang, P. Physics of Plasmas, Vol. 25, Issue 5 https://doi.org/10.1063/1.5017849	journal	May 2018
The generation of mega-gauss fields on the Cornell beam research accelerator Gourdain, P. -A.; Brent, G.; Greenly, J. B. Review of Scientific Instruments, Vol. 89, Issue 9 https://doi.org/10.1063/1.5041946	journal	September 2018
Anisotropy-driven collisional separation of impurities in magnetized compressing and expanding cylindrical plasmas Ochs, I. E.; Fisch, N. J. Physics of Plasmas, Vol. 25, Issue 12 https://doi.org/10.1063/1.5055568	journal	December 2018
Design of dynamic screw pinch experiments for magnetized liner inertial fusion Shipley, G. A.; Jennings, C. A.; Schmit, P. F. Physics of Plasmas, Vol. 26, Issue 10 https://doi.org/10.1063/1.5120529	journal	October 2019
Controlling Rayleigh-Taylor Instabilities in Magnetically Driven Solid Metal Shells by Means of a Dynamic Screw Pinch Schmit, P. F.; Velikovich, A. L.; McBride, R. D. Physical Review Letters, Vol. 117, Issue 20 https://doi.org/10.1103/physrevlett.117.205001	journal	November 2016

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