Research

We are committed to publishing rigorous, peer-reviewed science.

Plasma pressure profiles in a sheared-flow-stabilized Z-pinch

C. Goyon, S. C. Bott-Suzuki, A. E. Youmans, J. T. Banasek, L. A. Morton, B. Levitt, J. R. Barhydt, K. D. Morgan, C. Liekhus-Schmaltz, W. C. Young, D. P. Higginson, A. C. Hossack, E. T. Meier, B. A. Nelson; M. Quinley, A. Taylor, P. Tsai, N. van Rossum, A. Shah, A. D. Stepanov, D. A. Sutherland, T. R. Weber, U. Shumlak, H. S. McLean

Physics of Plasmas, 31(7):072503, 2024.

PANDA-FES: Portable and Adaptable Neutron Diagnostics for Advancing Fusion Energy Science

A. E. Youmans, J. M. Mitrani, M. McMahon, A. T. Jibodu, C. S. Goyon, C. M. Cooper, B. L. Goldblum, T. A. Laplace, J. A. Brown, F. Conti, A. Williams, F. N. Beg, E. Ruskov, B. J. Levitt, A. R. Johanssen, U. Shumlak, P. E. Tsai, D. P. Higginson

IEEE Transactions on Plasma Science, 2024.

Whole device modeling of the FuZE sheared-flow-stabilized Z pinch

I.A.M. Datta, E.T. Meier, and U. Shumlak

Nuclear Fusion, 64(1):066016, 2024.

Elevated Electron Temperature Coincident with Observed Fusion Reactions in a Sheared-Flow-Stabilized Z Pinch

B. Levitt, C. Goyon, J. T. Banasek, S. C. Bott-Suzuki, C. Liekhus-Schmaltz, E. T. Meier, L. A. Morton, A. Taylor, W. C. Young, B. A. Nelson, D. A. Sutherland, M. Quinley, A. D. Stepanov, J. R. Barhydt, P. Tsai, K. D. Morgan, N. van Rossum, A. C. Hossack, T. R. Weber, W. A. McGehee, P. Nguyen, A. Shah, S. Kiddy, M. Van Patten, A. E. Youmans, D. P. Higginson, H. S. McLean, G. A. Wurden, and U. Shumlak

Phys. Rev. Lett., 132:155101, 2024.

The Kadomtsev Pinch Revisited for Sheared-Flow-Stabilized Z-Pinch Modeling

D. W. Crews, I. A. M. Datta, E. T. Meier, U. Shumlak

IEEE Transactions on Plasma Science, 2024.

Progress on Multielement Spectroscopic Temperature and Impurity Studies on a High Flow Velocity Z-Pinch

A. W. Klemmer, S. Fuelling, B. S. Bauer, G. A. Wurden, A. S. Taylor, D. A. Sutherland, Aaron Hossack, U. Shumlak, B. Levitt, B. A. Nelson, M. Quinley, T. R. Weber, J. Smythe, B. Diamond, M. Parry, C. Parga

IEEE Transactions on Plasma Science, 2024.

Electrode durability and sheared-flow-stabilized Z-pinch fusion energy

M. C. Thompson, S. C. Simpson, C. J. Beers, J. Dadras, E. T. Meier, P. H. Stoltz

Physics of Plasmas, 30(10):100601, 2023.

The Zap Energy approach to commercial fusion

B. Levitt, E. T. Meier, R. Umstattd, J. R. Barhydt, I. A. M. Datta, C. Liekhus-Schmaltz; D. A. Sutherland, B. A. Nelson

Physics of Plasmas, 30(9):090603, 2023.

Implementation of extreme ultraviolet spectroscopy on a sheared-flow-stabilized Z pinch

A. W. Klemmer, S. Fuelling, B. S. Bauer, G. A. Wurden, A. S. Taylor, D. A. Sutherland, A. P. Shah, A. D. Stepanov, B. J. Levitt, B. A. Nelson, T. R. Weber, M. Quinley, U. Shumlak

Review of Scientific Instruments

Engineering paradigms for sheared-flow-stabilized Z-pinch fusion energy

M.C. Thompson, B. Levitt, B.A. Nelson & U. Shumlak

Fusion Science and Technology, 10.1080/15361055.2023.2209131, 2023.

Fusion gain and triple product for the sheared-flow-stabilized Z pinch

U. Shumlak, E.T. Meier, B.J. Levitt

Fusion Science and Technology, 10.1080/15361055.2023.2198049, 2023.

Computationally efficient high-fidelity plasma simulations by coupling multi-species kinetic and multi-fluid models on decomposed domains

I.A.M. Datta, U. Shumlak

Journal of Computational Physics, 112073, 2023.

Probing local electron temperature and density inside a sheared flow stabilized Z-pinch using portable optical Thomson scattering

J. T. Banasek, C. Goyon, S. C. Bott-Suzuki, G. F. Swadling, M. Quinley, B. Levitt, B. A. Nelson, U. Shumlak, and H. S. McLean.

Review of Scientific Instruments, 94:023508, 2023.

Thermonuclear neutron emission from a sheared-flow stabilized Z-pinch

J. M. Mitrani, J. A. Brown, B. L. Goldblum, T. A. Laplace, E. L. Claveau, Z. T. Draper, E. G. Forbes, R. P. Golingo, H. S. McLean, B. A. Nelson, U. Shumlak, A. Stepanov, T. R. Weber, Y. Zhang, and D. P. Higginson.

Physics of Plasmas, 28:112509, 2021.

Development of five-moment two-fluid Modeling for Z-pinch physics

E.T. Meier and U. Shumlak.

Physics of Plasmas, 28:092512, 2021.

Flow Z-pinch plasma production on the FuZE experiment

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

Physics of Plasmas, 27(11):112503, 2020.

Plasma exhaust in a sheared-ﬂow-stabilized Z-pinch

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

Physics of Plasmas, 27(9):092510, 2020.

Spatio-Temporal Ion Temperature and Velocity Measurements in a Z-pinch Using Fast-framing Spectroscopy

E. G. Forbes and U. Shumlak.

Review of Scientiﬁc Instruments, 91(8):083104, 2020.

Z-pinch fusion

U. Shumlak

Journal of Applied Physics, 127(20):200901, 2020.

Progress toward a compact fusion reactor using the sheared-flow-stabilized Z-pinch

E. G. Forbes, U. Shumlak, H. S. McLean, B. A. Nelson, E. L. Claveau, R. P. Golingo, D. P. Higginson, J. M. Mitrani, A. D. Stepanov, K. K. Tummel, T. R. Weber, and Y. Zhang.

Fusion Science and Technology, 75(7):599-607, 2019.

Measurements of temporally-and spatially-resolved neutron production in a sheared-flow stabilized Z-pinch

J. M. Mitrani, D. P. Higginson, Z. T. Draper, J. Morrell, L. A. Bernstein, E. L. Claveau, C. M. Cooper, E. G. Forbes, R. P. Golingo, B. A. Nelson, A. E. Schmidt, A. D. Stepanov, T. R. Weber, Y. Zhang, H. S. McLean, and U. Shumlak.

Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, 947:162764, 2019.

Sustained neutron production from a sheared-flow stabilized Z-pinch

Y. Zhang, U. Shumlak, B. A. Nelson, R. P. Golingo, T. R. Weber, A. D. Stepanov, E. L. Claveau, E. G. Forbes, Z. T. Draper, J. M. Mitrani, H. S. McLean, K. K. Tummel, D. P. Higginson, and C. M. Cooper.

Phys. Rev. Lett., 122:135001, Apr 2019.

Kinetic simulations of sheared flow stabilization in high-temperature Z-pinch plasmas

K. Tummel, D. P. Higginson, A. J. Link, A. E. W. Schmidt, D. T. Offermann, D. R. Welch, R. E. Clark, U. Shumlak, B. A. Nelson, R. P. Golingo, and H. S. McLean.

Physics of Plasmas, 26(6):062506, 2019.

Increasing plasma parameters using sheared flow stabilization of a Z-pinch

U. Shumlak, B. A. Nelson, E. L. Claveau, E. G. Forbes, R. P. Golingo, M. C. Hughes, R. J. Oberto, M. P. Ross, and T. R. Weber.

Physics of Plasmas, 24(5):055702, 2017.

The sheared-flow stabilized Z-pinch

U. Shumlak, J. Chadney, R.P. Golingo, D.J. Den Hartog, M.C. Hughes, S.D. Knecht, W. Lowrie, V.S. Lukin, B.A. Nelson, R.J. Oberto, J.L. Rohrbach, M.P. Ross & G.V. Vogman

Fusion Science and Technology, 61(1T):119-124, 2017.

Sheared flow stabilization experiments in the ZaP flow Z pinch

U. Shumlak, B. A. Nelson, R. P. Golingo, S. L. Jackson, and E. A. Crawford

Physics of Plasmas, 10:1683, 2003.

Evidence of stabilization in the Z-Pinch

U. Shumlak, R. P. Golingo, B. A. Nelson, and D. J. Den Hartog

Phys. Rev. Lett., 87:205005, Oct 2001.

Mitigation of the Rayleigh–Taylor instability by sheared axial flows

U. Shumlak and N. F. Roderick

Physics of Plasmas, 5(6):2384, 1998.

Sheared flow stabilization of the m=1 kink mode in Z pinches

U. Shumlak and C. W. Hartman

Phys. Rev. Lett., 75:3285, Oct 1995.