Flow Z-pinch plasma production on the FuZE experiment

Stepanov, A. D.; Shumlak, U.; McLean, H. S.; Nelson, B. A.; Claveau, E. L.; Forbes, E. G.; Weber, T. R.; Zhang, Y.

doi:10.1063/5.0020481

Title: Flow Z-pinch plasma production on the FuZE experiment

Journal Article · Tue Nov 03 00:00:00 EST 2020 · Physics of Plasmas

DOI:https://doi.org/10.1063/5.0020481· OSTI ID:1868854

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Univ. of Washington, Seattle, WA (United States)
Univ. of Washington, Seattle, WA (United States); Zap Energy, Inc., Seattle, WA (United States)
Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States)
Zap Energy, Inc., Seattle, WA (United States)

The Fusion Z Pinch Experiment (FuZE) investigates sheared-flow stabilization of classic m = 0 and m = 1 instabilities in Z pinches with an embedded axial flow. FuZE consists of a 100 cm coaxial plasma accelerator, where neutral gas is ionized and accelerated in a pulsed electrical discharge, followed by a 50 cm assembly region, where pinches are formed. Maintaining the pinch requires continuous plasma injection provided by a deflagration mode in the coaxial accelerator. Two discharge modes, with and without deflagration, are investigated on FuZE. Pinch formation is observed with deflagration only. Plasma velocities in the assembly region are found to match the E × B velocity estimated in the accelerator based on a 1D circuit model, indicating that a 1D MHD approximation may offer a valid description of the plasma in the accelerator channel. The velocity of magnetic field propagation is found to agree with the snowplow model based on momentum conservation, and the lifetime of the pinch is shown to be in agreement with constraints imposed by mass conservation.

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Research Organization:: Lawrence Livermore National Laboratory (LLNL), Livermore, CA (United States)

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

Grant/Contract Number:: AC52-07NA27344; AR0000571; NA0001860; AR-0000571

OSTI ID:: 1868854

Alternate ID(s):: OSTI ID: 1698191

Report Number(s):: LLNL-JRNL-825917; 1040301; TRN: US2306310

Journal Information:: Physics of Plasmas, Vol. 27, Issue 11; ISSN 1070-664X

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

Country of Publication:: United States

Language:: English

References (22)

Kinetic simulations of sheared flow stabilization in high-temperature Z-pinch plasmas Tummel, K.; Higginson, D. P.; Link, A. J. Physics of Plasmas, Vol. 26, Issue 6 https://doi.org/10.1063/1.5092241	journal	June 2019
Equilibrium, flow shear and stability measurements in the Z-pinch Shumlak, U.; Adams, C. S.; Blakely, J. M. Nuclear Fusion, Vol. 49, Issue 7 https://doi.org/10.1088/0029-5515/49/7/075039	journal	July 2009
Sheared Flow Stabilization of the $m = 1$ Kink Mode in $Z$ Pinches Shumlak, U.; Hartman, C. W. Physical Review Letters, Vol. 75, Issue 18 https://doi.org/10.1103/PhysRevLett.75.3285	journal	October 1995
Plasma deflagration and the properties of a coaxial plasma deflagration gun Cheng, Dah Yu Nuclear Fusion, Vol. 10, Issue 3 https://doi.org/10.1088/0029-5515/10/3/011	journal	September 1970
Radial magnetic compression in the expelled jet of a plasma deflagration accelerator Loebner, Keith T. K.; Underwood, Thomas C.; Mouratidis, Theodore Applied Physics Letters, Vol. 108, Issue 9 https://doi.org/10.1063/1.4943370	journal	February 2016
Z-pinch fusion Shumlak, U. Journal of Applied Physics, Vol. 127, Issue 20 https://doi.org/10.1063/5.0004228	journal	May 2020
Increasing plasma parameters using sheared flow stabilization of a Z-pinch Shumlak, U.; Nelson, B. A.; Claveau, E. L. Physics of Plasmas, Vol. 24, Issue 5 https://doi.org/10.1063/1.4977468	journal	May 2017
Gyrokinetic simulations of m = 0 mode in sheared flow Z-pinch plasmas Geyko, V. I.; Dorf, M.; Angus, J. R. Physics of Plasmas, Vol. 26, Issue 6 https://doi.org/10.1063/1.5100542	journal	June 2019
Evidence of Stabilization in the $Z$ -Pinch Shumlak, U.; Golingo, R. P.; Nelson, B. A. Physical Review Letters, Vol. 87, Issue 20 https://doi.org/10.1103/PhysRevLett.87.205005	journal	October 2001
Formation of a sheared flow Z pinch Golingo, R. P.; Shumlak, U.; Nelson, B. A. Physics of Plasmas, Vol. 12, Issue 6 https://doi.org/10.1063/1.1928249	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
Retrospective of the ARPA-E ALPHA Fusion Program Nehl, C. L.; Umstattd, R. J.; Regan, W. R. Journal of Fusion Energy, Vol. 38, Issue 5-6 https://doi.org/10.1007/s10894-019-00226-4	journal	October 2019
Hydromagnetic stability of a diffuse linear pinch Newcomb, William A. Annals of Physics, Vol. 10, Issue 2 https://doi.org/10.1016/0003-4916(60)90023-3	journal	June 1960
Sustained Neutron Production from a Sheared-Flow Stabilized $Z$ Pinch Zhang, Y.; Shumlak, U.; Nelson, B. A. Physical Review Letters, Vol. 122, Issue 13 https://doi.org/10.1103/PhysRevLett.122.135001	journal	April 2019
Z pinches—A historical view Spielman, R. B.; De Groot, J. S. Laser and Particle Beams, Vol. 19, Issue 4 https://doi.org/10.1017/S0263034601194012	journal	October 2001
Magnetically Self-Focussing Streams Bennett, Willard H. Physical Review, Vol. 45, Issue 12 https://doi.org/10.1103/PhysRev.45.890	journal	June 1934
Evidence of Branching Phenomena in Current-Driven Ionization Waves Loebner, Keith T. K.; Underwood, Thomas C.; Cappelli, Mark A. Physical Review Letters, Vol. 115, Issue 17 https://doi.org/10.1103/PhysRevLett.115.175001	journal	October 2015
Telecentric viewing system for light collection from a z -pinch plasma Hartog, D. J. Den; Golingo, R. P. Review of Scientific Instruments, Vol. 72, Issue 4 https://doi.org/10.1063/1.1353188	journal	April 2001
Some Criteria for a Power Producing Thermonuclear Reactor Lawson, J. D. Proceedings of the Physical Society. Section B, Vol. 70, Issue 1 https://doi.org/10.1088/0370-1301/70/1/303	journal	January 1957
Modeling magnetic fields measured by surface probes embedded in a cylindrical flux conserver Golingo, R. P. Review of Scientific Instruments, Vol. 78, Issue 3 https://doi.org/10.1063/1.2713435	journal	March 2007
An investigation of high-current pulsed discharges Artsimovich, L. A.; Andrianov, A. M.; Bazilevskaya, O. A. Journal of Nuclear Energy (1954), Vol. 4, Issue 2 https://doi.org/10.1016/0891-3919(57)90055-4	journal	February 1957
Sheared flow stabilization experiments in the ZaP flow Z pinch Shumlak, U.; Nelson, B. A.; Golingo, R. P. Physics of Plasmas, Vol. 10, Issue 5 https://doi.org/10.1063/1.1558294	journal	May 2003

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