Effects of initial conditions and transport on ram pressure, Mach number, and uniformity for plasma liner formation and implosion
Abstract
Plasma jet driven magneto-inertial fusion involves the merging of high Mach number plasma jets in a spherically converging geometry to form an imploding plasma liner. A three-dimensional smooth particle hydrodynamic simulation tool was used to study the number of plasma jets, jet density, and implosion velocity on the effects of formation and subsequent implosion of a plasma liner. The effects of different transport physics are presented. Thermal radiation and two-temperature modeling were found to have the most significant impact on the ram pressure. Solid angle averaged ram pressure and Mach number degradation were of particular interest in this study. Higher jet numbers were found to result in higher peak ram pressure. A spherical harmonic analysis was conducted for each case, providing a quantitative measure of the non-uniformity of the liner during the implosion process and how non-uniformities are affected by the different parameters explored in this study.
- Authors:
- Publication Date:
- Sponsoring Org.:
- USDOE Advanced Research Projects Agency - Energy (ARPA-E)
- OSTI Identifier:
- 1632951
- Grant/Contract Number:
- Ar0000566
- Resource Type:
- Publisher's Accepted Manuscript
- Journal Name:
- Physics of Plasmas
- Additional Journal Information:
- Journal Name: Physics of Plasmas Journal Volume: 27 Journal Issue: 4; Journal ID: ISSN 1070-664X
- Publisher:
- American Institute of Physics
- Country of Publication:
- United States
- Language:
- English
Citation Formats
Schillo, Kevin, and Cassibry, Jason. Effects of initial conditions and transport on ram pressure, Mach number, and uniformity for plasma liner formation and implosion. United States: N. p., 2020.
Web. doi:10.1063/1.5143009.
Schillo, Kevin, & Cassibry, Jason. Effects of initial conditions and transport on ram pressure, Mach number, and uniformity for plasma liner formation and implosion. United States. https://doi.org/10.1063/1.5143009
Schillo, Kevin, and Cassibry, Jason. Fri .
"Effects of initial conditions and transport on ram pressure, Mach number, and uniformity for plasma liner formation and implosion". United States. https://doi.org/10.1063/1.5143009.
@article{osti_1632951,
title = {Effects of initial conditions and transport on ram pressure, Mach number, and uniformity for plasma liner formation and implosion},
author = {Schillo, Kevin and Cassibry, Jason},
abstractNote = {Plasma jet driven magneto-inertial fusion involves the merging of high Mach number plasma jets in a spherically converging geometry to form an imploding plasma liner. A three-dimensional smooth particle hydrodynamic simulation tool was used to study the number of plasma jets, jet density, and implosion velocity on the effects of formation and subsequent implosion of a plasma liner. The effects of different transport physics are presented. Thermal radiation and two-temperature modeling were found to have the most significant impact on the ram pressure. Solid angle averaged ram pressure and Mach number degradation were of particular interest in this study. Higher jet numbers were found to result in higher peak ram pressure. A spherical harmonic analysis was conducted for each case, providing a quantitative measure of the non-uniformity of the liner during the implosion process and how non-uniformities are affected by the different parameters explored in this study.},
doi = {10.1063/1.5143009},
journal = {Physics of Plasmas},
number = 4,
volume = 27,
place = {United States},
year = {Fri Apr 10 00:00:00 EDT 2020},
month = {Fri Apr 10 00:00:00 EDT 2020}
}
https://doi.org/10.1063/1.5143009
Web of Science
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