Implementation of drift velocities and currents in SOLEDGE2D–EIRENE

Bufferand, Hugo; Baudoin, Camille; Bucalossi, J.; Ciraolo, Guido; Denis, Julien; Fedorczak, N.; Galassi, D.; Ghendrih, Philippe; Leybros, Robin; Marandet, Y.; Mellet, N.; Moralès, J.; Nace, Nicolas; Serre, Éric; Tamain, P.; Valentinuzzi, M.

doi:10.1016/j.nme.2016.11.031

Cited by 26 publications

(32 citation statements)

References 8 publications

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“…Similar findings have been described in Ref. 60, where simulations with SOLEDGE2D-EIRENE 61 suite have been carried out for linear plasma device Pilot-PSI.…”

Section: Modeling Resultssupporting

confidence: 79%

Investigating the effect of different impurities on plasma detachment in linear plasma machine Magnum-PSI

et al. 2019

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“…Similar findings have been described in Ref. 60, where simulations with SOLEDGE2D-EIRENE 61 suite have been carried out for linear plasma device Pilot-PSI.…”

Section: Modeling Resultssupporting

confidence: 79%

Investigating the effect of different impurities on plasma detachment in linear plasma machine Magnum-PSI

et al. 2019

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“…• j is the diamagnetic current given by j = e,α,Z Zen αZ v αZ • j p is the polarization current given by j p = α,Z Zen αZ v p αZ Given the expression of the polarization velocity, one can show [14] that the current balance can be rewritten as a vorticity equation where the vorticity Ω is defined by Ω = ∇ • α,Z Ze ω αZ where ω αZ is given by Equation 4. The vorticity equation takes the form:…”

Section: Charge Balancementioning

confidence: 99%

Implementation of multi-component Zhdanov closure in SOLEDGE3X

Bufferand¹,

Balbin²,

Baschetti³

et al. 2022

Plasma Phys. Control. Fusion

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The multi-component fluid closure derived by Zhdanov is implemented in the fluid code SOLEDGE3X-EIRENE to deal with arbitrary edge plasma composition. The closure assumes no distinction in between species such as light vs heavy species separation. The work of Zhdanov is rewritten in a matrix form in order to clearly link friction forces and heat fluxes to the different species velocities and temperature gradients.

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“…Kinetic corrections for cases with low collisionality are provided by the use an artificial flux limiter. Drifts, electric fields, and currents are implemented in Soledge2D; however, they were turned off in the simulations presented in this paper.…”

Section: Simulation Set‐upmentioning

confidence: 99%

Soledge2D‐Eirene simulations of the Pilot‐PSI linear plasma device compared to experimental data

Jesko

Marandet

Bufferand

et al. 2018

Contributions to Plasma Physics

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Predictions for the operation of tokamak divertors are reliant on edge plasma simulations typically utilizing a fluid plasma code in combination with a Monte Carlo code for neutral species. Pilot‐PSI is a linear device operating with a cascaded arc plasma source that produces plasmas comparable to those expected in the ITER divertor (Te ∼ 1 eV, ne ∼ 1021 m−3). In this study, plasma discharges in Pilot‐PSI are modelled using the Soledge2D fluid plasma code coupled to the Eirene neutral Monte Carlo code. The plasma is generated using an external source of plasma density and power. These input parameters are tuned in order to match Thomson scattering (TS) measurements close to the cascaded arc source nozzle. The sensitivity of the simulations to different atomic physics models is explored. It is found that elastic collisions between ions and hydrogen molecules have a strong influence on calculated profiles. Without their inclusion, supersonic flow regimes are obtained with M ∼ 2 close to the target plate. Simulation results are compared with experimental findings using TS close to the target and, in the case of Pilot‐PSI, a Langmuir probe embedded in the target. Comparison between experimental trends observed in a background pressure scan and the simulations show that the inclusion of the elastic collision is mandatory for the trends to be reproduced.

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Implementation of drift velocities and currents in SOLEDGE2D–EIRENE

Cited by 26 publications

References 8 publications

Investigating the effect of different impurities on plasma detachment in linear plasma machine Magnum-PSI

Investigating the effect of different impurities on plasma detachment in linear plasma machine Magnum-PSI

Implementation of multi-component Zhdanov closure in SOLEDGE3X

Soledge2D‐Eirene simulations of the Pilot‐PSI linear plasma device compared to experimental data

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