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Drift-kinetic PIC simulations of plasma flow and energy transport in the magnetic mirror configuration

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dc.contributor.authorTyushev, Mikhail
dc.contributor.authorSmolyakov, Andrei
dc.contributor.authorSabo, Andy
dc.contributor.authorGroenewald, Roelof Erasmus
dc.contributor.authorNecas, Ales
dc.contributor.authoryushmanov, peter
dc.date.accessioned2025-04-15T05:52:22Z
dc.date.available2025-04-15T05:52:22Z
dc.date.issued2025-03
dc.description.abstractPlasma flow and acceleration in a magnetic mirror configuration are studied using a drift-kinetic particles-in-cell model in the paraxial approximation, with an emphasis on finite temperature effects and energy transport. Energy conversion between electrons and ions, overall energy balance, and axial energy losses are investigated. The simulations of plasma flow, acceleration, and energy transport in the magnetic mirror are extended into the high-density regimes with implicit particle-in-cell simulations. It is shown that profiles of the anisotropic ion temperatures and heat fluxes obtained with the full drift-kinetic model compare favorably with the results of a fluid model, which includes collisionless ion heat fluxes beyond the two-pressure adiabatic equations. The effects of collisions on trapped electrons and the resulting impacts on electron temperature and electric field profiles are investigated using a model collision operator.
dc.description.sponsorshipThis research used the open-source particle-in-cell code WarpX https://github.com/ECP-WarpX/WarpX, primarily funded by the U.S. DOE Exascale Computing Project. Primary WarpX contributors are with LBNL, LLNL, CEA-LIDYL, SLAC, DESY, CERN, and TAE Technologies.
dc.description.versionPeer Reviewed
dc.identifier.citationTyushev, M., Smolyakov, A., Sabo, A., Groenewald, R., Necas, A., & Yushmanov, P. (2025). Drift-kinetic PIC simulations of plasma flow and energy transport in the magnetic mirror configuration. Physics of Plasmas, 32(3). https://doi.org/10.1063/5.0227040
dc.identifier.doihttps://doi.org/10.1063/5.0227040
dc.identifier.urihttps://hdl.handle.net/10388/16808
dc.language.isoen
dc.publisherAIP Publishing
dc.rightsAttribution 2.5 Canadaen
dc.rights.urihttp://creativecommons.org/licenses/by/2.5/ca/
dc.subjectEnergy conversion
dc.subjectEnergy production
dc.subjecttransmission and distribution
dc.subjectMagnetic mirrors
dc.subjectParticle-in-cell method
dc.subjectPlasma flows
dc.subjectPlasma properties and parameters
dc.subjectPlasma simulation
dc.subjectPlasma sources
dc.subjectPlasma acceleration
dc.titleDrift-kinetic PIC simulations of plasma flow and energy transport in the magnetic mirror configuration
dc.typeArticle

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