Study of stability in a liner-on-target gas puff Z-pinch as a function of pre-embedded axial magnetic field

Conti, F.; Aybar, N.; Narkis, J.; Valenzuela, J. C.; Rahman, H. U.; Ruskov, E.; Dutra, E.; Haque, S.; Covington, A.; Beg, F. N.

doi:10.1063/1.5131170

Study of stability in a liner-on-target gas puff Z-pinch as a function of pre-embedded axial magnetic field

Journal Article · Thu Jan 09 00:00:00 EST 2020 · Physics of Plasmas

DOI:https://doi.org/10.1063/1.5131170· OSTI ID:2567775

; Aybar, N.; ; ; Rahman, H. U.; ; Dutra, E.; Haque, S.; Covington, A.; Beg, F. N.

Gas puff Z-pinches are intense sources of X-rays and neutrons but are highly susceptible to the magneto-Rayleigh-Taylor instability (MRTI). MRTI mitigation is critical for optimal and reproducible yields, motivating significant attention toward various potential mitigation mechanisms. One such approach is the external application of an axial magnetic field, which will be discussed here in the context of recent experiments on the Zebra generator (1 MA, 100 ns) at the University of Nevada, Reno. In these experiments, an annular Kr gas liner is imploded onto an on-axis deuterium target with a pre-embedded axial magnetic field Bz0 ranging from 0 to 0.3 T. The effect of Bz0 on the stability of the Kr liner is evaluated with measurements of plasma radius, overall instability amplitude, and dominant instability wavelength at different times obtained from time-gated extreme ultraviolet pinhole images. It was observed that the external axial magnetic field does not affect the implosion velocity significantly and that it reduces the overall instability amplitude and the presence of short-wavelength modes, indicating improved pinch stability and reproducibility. For the highest applied Bz0=0.3 T, the stagnation radius measured via visible streak images was found to increase. These findings are consistent with experiments reported in the literature, but here, the Bz0 required for stability, Bz0=0.13 Ipk/R0 (where Ipk is the driver peak current and R0 is the initial radius), is lower. This could be attributed to the smaller load geometry, both radially and axially. Consistent with other experiments, the cause of decreased convergence cannot be explained by the additional axial magnetic pressure and remains an open question.

View Journal Article

Research Organization:: Univ. of California, San Diego, CA (United States)

Sponsoring Organization:: USDOE Advanced Research Projects Agency - Energy (ARPA-E); USDOE National Nuclear Security Administration (NNSA)

Grant/Contract Number:: AR0000569; NA0003842

OSTI ID:: 2567775

Alternate ID(s):: OSTI ID: 1633887
OSTI ID: 1581845

Journal Information:: Physics of Plasmas, Journal Name: Physics of Plasmas Journal Issue: 1 Vol. 27; ISSN 1070-664X

Publisher:: American Institute of PhysicsCopyright Statement

Country of Publication:: United States

Language:: English

References (40)

Determination of magnetic fields based on the Zeeman effect in regimes inaccessible by Zeeman-splitting spectroscopy Doron, R.; Mikitchuk, D.; Stollberg, C. High Energy Density Physics, Vol. 10 https://doi.org/10.1016/j.hedp.2013.10.004	journal	March 2014
Staged pinch for controlled thermonuclear fusion Rahman, H. U.; Ney, P.; Wessel, F. J. Journal of Plasma Physics, Vol. 58, Issue 2 https://doi.org/10.1017/S0022377897005813	journal	August 1997
The K -shell radiation of a double gas puff z -pinch with an axial magnetic field Chaikovsky, S. A.; Labetsky, A. Yu.; Oreshkin, V. I. Laser and Particle Beams, Vol. 21, Issue 2 https://doi.org/10.1017/S0263034603212143	journal	April 2003
Initial results for an argon Z pinch using a double-shell gas puff Sze, H.; Coleman, P. L.; Failor, B. H. Physics of Plasmas, Vol. 7, Issue 10 https://doi.org/10.1063/1.1288491	journal	January 2000
Rayleigh-Taylor Instabilities of a Collapsing Cylindrical Shell in a Magnetic Field Harris, E. G. Physics of Fluids, Vol. 5, Issue 9 https://doi.org/10.1063/1.1724473	journal	January 1962
Rayleigh-Taylor and Richtmyer-Meshkov instabilities and mixing in stratified cylindrical shells Mikaelian, Karnig O. Physics of Fluids, Vol. 17, Issue 9 https://doi.org/10.1063/1.2046712	journal	September 2005
Large‐scale‐length nonuniformities in gas puff implosions Hussey, T. W.; Matzen, M. K.; Roderick, N. F. Journal of Applied Physics, Vol. 59, Issue 8 https://doi.org/10.1063/1.336974	journal	April 1986
Liner-on-plasma system near stagnation: Stabilizing effect of a magnetic cushion Ryutov, D. D. Physics of Plasmas, Vol. 18, Issue 6 https://doi.org/10.1063/1.3596541	journal	June 2011
Beyond Zeeman spectroscopy: Magnetic-field diagnostics with Stark-dominated line shapes Tessarin, S.; Mikitchuk, D.; Doron, R. Physics of Plasmas, Vol. 18, Issue 9 https://doi.org/10.1063/1.3625555	journal	September 2011
Diagnosing collisions of magnetized, high energy density plasma flows using a combination of collective Thomson scattering, Faraday rotation, and interferometry (invited) Swadling, G. F.; Lebedev, S. V.; Hall, G. N. Review of Scientific Instruments, Vol. 85, Issue 11 https://doi.org/10.1063/1.4890564	journal	November 2014
Study of gas-puff Z-pinches on COBRA Qi, N.; Rosenberg, E. W.; Gourdain, P. A. Physics of Plasmas, Vol. 21, Issue 11 https://doi.org/10.1063/1.4900748	journal	November 2014
Temporal evolution of surface ripples on a finite plasma slab subject to the magneto-Rayleigh-Taylor instability Weis, M. R.; Zhang, P.; Lau, Y. Y. Physics of Plasmas, Vol. 21, Issue 12 https://doi.org/10.1063/1.4904210	journal	December 2014
Gas puff Z-pinch implosions with external Bz field on COBRA Qi, N.; de Grouchy, P.; Schrafel, P. C. 9TH INTERNATIONAL CONFERENCE ON DENSE Z PINCHES, AIP Conference Proceedings https://doi.org/10.1063/1.4904775	conference	January 2014
Coupling of sausage, kink, and magneto-Rayleigh-Taylor instabilities in a cylindrical liner Weis, M. R.; Zhang, P.; Lau, Y. Y. Physics of Plasmas, Vol. 22, Issue 3 https://doi.org/10.1063/1.4915520	journal	March 2015
Effect of the axial magnetic field on a metallic gas-puff pinch implosion Rousskikh, A. G.; Zhigalin, A. S.; Oreshkin, V. I. Physics of Plasmas, Vol. 23, Issue 6 https://doi.org/10.1063/1.4953048	journal	June 2016
Measuring the compression velocity of a Z pinch in an axial magnetic field Rousskikh, A. G.; Zhigalin, A. S.; Oreshkin, V. I. Physics of Plasmas, Vol. 24, Issue 6 https://doi.org/10.1063/1.4986096	journal	June 2017
Injector design for liner-on-target gas-puff experiments Valenzuela, J. C.; Krasheninnikov, I.; Conti, F. Review of Scientific Instruments, Vol. 88, Issue 11 https://doi.org/10.1063/1.4997429	journal	November 2017
Observations of the magneto-Rayleigh-Taylor instability and shock dynamics in gas-puff Z-pinch experiments de Grouchy, P. W. L.; Kusse, B. R.; Banasek, J. Physics of Plasmas, Vol. 25, Issue 7 https://doi.org/10.1063/1.5032084	journal	July 2018
Ar and Kr on deuterium gas-puff staged Z-pinch implosions on a 1-MA driver: Experiment and simulation Rahman, H. U.; Ruskov, E.; Ney, P. Physics of Plasmas, Vol. 26, Issue 5 https://doi.org/10.1063/1.5085673	journal	May 2019
Gated liquid scintillator detector for neutron time of flight measurements in a gas-puff Z-pinch experiment Ruskov, E.; Glebov, V. Yu.; Darling, T. W. Review of Scientific Instruments, Vol. 90, Issue 7 https://doi.org/10.1063/1.5090785	journal	July 2019
The dense Z-pinch program at the University of Nevada, Reno Bauer, B. S.; Kantsyrev, V. L.; Winterberg, F. The fourth international conference on dense z-pinches https://doi.org/10.1063/1.53879	conference	January 1997
Faraday rotation measurements in MAGPIE generator Tatarakis, M.; Aliaga-Rossel, R.; Dangor, A. E. The fourth international conference on dense z-pinches https://doi.org/10.1063/1.53912	conference	January 1997
Stability analysis of dynamic Z pinches and theta pinches Bud’ko, A. B.; Felber, F. S.; Kleev, A. I. Physics of Fluids B: Plasma Physics, Vol. 1, Issue 3 https://doi.org/10.1063/1.859207	journal	March 1989
Suppression of Rayleigh–Taylor instability by the snowplow mechanism Gol’berg, S. M.; Velikovich, A. L. Physics of Fluids B: Plasma Physics, Vol. 5, Issue 4 https://doi.org/10.1063/1.860974	journal	April 1993
Suppression of the Rayleigh–Taylor instability through accretion Book, David L. Physics of Plasmas, Vol. 3, Issue 1 https://doi.org/10.1063/1.871859	journal	January 1996
Spectroscopic determination of the magnetic-field distribution in an imploding plasma Davara, G.; Gregorian, L.; Kroupp, E. Physics of Plasmas, Vol. 5, Issue 4 https://doi.org/10.1063/1.872637	journal	April 1998
Long time implosion experiments with double gas puffs Shishlov, A. V.; Baksht, R. B.; Fedunin, A. V. Physics of Plasmas, Vol. 7, Issue 4 https://doi.org/10.1063/1.873936	journal	April 2000
K-shell radiation of multiple shell gas puff microsecond implosions Shishlov, A. V.; Baksht, R. B.; Chaikovsky, S. A. Plasma Devices and Operations, Vol. 13, Issue 2 https://doi.org/10.1080/10519990512331334588	journal	June 2005
A review of the dense Z -pinch Haines, M. G. Plasma Physics and Controlled Fusion, Vol. 53, Issue 9 https://doi.org/10.1088/0741-3335/53/9/093001	journal	June 2011
Effects of a Preembedded Axial Magnetic Field on the Current Distribution in a Z -Pinch Implosion Mikitchuk, D.; Cvejić, M.; Doron, R. Physical Review Letters, Vol. 122, Issue 4 https://doi.org/10.1103/PhysRevLett.122.045001	journal	January 2019
Z Pinch of a Gas Jet Shiloh, J.; Fisher, A.; Rostoker, N. Physical Review Letters, Vol. 40, Issue 8 https://doi.org/10.1103/PhysRevLett.40.515	journal	February 1978
Staged Z Pinch Rahman, H. U.; Wessel, F. J.; Rostoker, N. Physical Review Letters, Vol. 74, Issue 5, p. 714-717 https://doi.org/10.1103/PhysRevLett.74.714	journal	January 1995
The physics of fast Z pinches Ryutov, D. D.; Derzon, M. S.; Matzen, M. K. Reviews of Modern Physics, Vol. 72, Issue 1 https://doi.org/10.1103/RevModPhys.72.167	journal	January 2000
Mitigation of Instabilities in a Z-Pinch Plasma by a Preembedded Axial Magnetic Field Mikitchuk, Dimitry; Stollberg, Christine; Doron, Ramy IEEE Transactions on Plasma Science, Vol. 42, Issue 10 https://doi.org/10.1109/TPS.2014.2327094	journal	October 2014
A Review of the Gas-Puff $Z$ -Pinch as an X-Ray and Neutron Source Giuliani, J. L.; Commisso, R. J. IEEE Transactions on Plasma Science, Vol. 43, Issue 8 https://doi.org/10.1109/TPS.2015.2451157	journal	August 2015
Characterization of a Liner-on-Target Gas Injector for Staged Z-Pinch Experiments Conti, F.; Valenzuela, J. C.; Aybar, N. IEEE Transactions on Plasma Science, Vol. 46, Issue 11 https://doi.org/10.1109/TPS.2018.2856748	journal	November 2018
Magnetic Field Effect on the Initial Parameters of an Imploding Z-Pinch Rousskikh, Alexander G.; Zhigalin, Alexander S.; Oreshkin, Vladimir I. IEEE Transactions on Plasma Science, Vol. 46, Issue 11 https://doi.org/10.1109/TPS.2018.2866339	journal	November 2018
A Primer on Pulsed Power and Linear Transformer Drivers for High Energy Density Physics Applications McBride, R. D.; Stygar, W. A.; Cuneo, M. E. IEEE Transactions on Plasma Science, Vol. 46, Issue 11 https://doi.org/10.1109/TPS.2018.2870099	journal	November 2018
Generation of K-shell radiation in a double shell plasma linear with a microsecond current generator Chaikovsky, S. A.; Sorokin, S. A. Plasma Physics Reports, Vol. 27, Issue 11 https://doi.org/10.1134/1.1416206	journal	November 2001
Formation of tight plasma pinches and generation of high-power soft x-ray radiation pulses in fast Z-pinch implosions Shishlov, A. V.; Baksht, R. B.; Chaikovsky, S. A. Laser Physics, Vol. 16, Issue 1 https://doi.org/10.1134/S1054660X06010178	journal	January 2006

Similar Records

Numerical study of implosion instability mitigation in magnetically driven solid liner dynamic screw pinches

Journal Article · Mon Feb 19 19:00:00 EST 2024 · Physics of Plasmas · OSTI ID:2567717

Related Subjects

70 PLASMA PHYSICS AND FUSION TECHNOLOGY

Study of stability in a liner-on-target gas puff Z-pinch as a function of pre-embedded axial magnetic field

Citation Formats

References (40)

Similar Records

Related Subjects