RF-transpond: A 1D coupled cold plasma wave and plasma transport model for ponderomotive force driven density modification parallel to B

Barnett, Rhea; Green, David; Waters, Colin Lindsay; Lore, Jeremy; Smithe, D. N.; Myra, J. R.

doi:10.1016/j.cpc.2022.108286

Title: RF-transpond: A 1D coupled cold plasma wave and plasma transport model for ponderomotive force driven density modification parallel to B

Journal Article · 18 January 2022 · Computer Physics Communications

DOI: https://doi.org/10.1016/j.cpc.2022.108286 · OSTI ID:1845764

^[1];

^[2]; Waters, Colin Lindsay ^[1];

^[2]; Smithe, D. N. ^[3]; Myra, J. R. ^[4]

University of Newcastle, NSW (Australia)
Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)
Tech-X Corporation, Boulder, CO (United States)
Lodestar Research Corp., Boulder, CO (United States)

The RF-Transpond code couples a fluid plasma transport solver with a frequency domain cold plasma RF wave solver in a 1D domain parallel to a strong background magnetic field. A ponderomotive force term proportional to parallel gradients in the electric field strength is included in the transport model in order to describe ponderomotive effects in the scrape-off layer (SOL) of fusion plasmas. The transport and wave codes are verified independently and a coupled case corresponding to experimental parameters from the LArge Plasma Device (LAPD) is presented. The density perturbation ratio R_n, calculated to describe ponderomotive force driven modifications, is up to 20% for the simulation inputs used.

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Research Organization:: Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States)

Sponsoring Organization:: USDOE; USDOE Office of Science (SC)

Grant/Contract Number:: AC05-00OR22725

OSTI ID:: 1845764

Journal Information:: Computer Physics Communications, Journal Name: Computer Physics Communications Journal Issue: 1 Vol. 274; ISSN 0010-4655

Publisher:: ElsevierCopyright Statement

Country of Publication:: United States

Language:: English

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Title: RF-transpond: A 1D coupled cold plasma wave and plasma transport model for ponderomotive force driven density modification parallel to B

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