Numerical fluid modelling of the plasma edge response to a 3D object and application to mach probe measurements

The penalization method is used to model the interaction of 3D probe with an isothermal plasma. Density maps show that the region perturbed by the obstacle, is not restricted to its near neighbourhood, but can extend to the whole SOL. In the particular case of a probe, which is used to measure local plasma parameters, this impact can lead to violation of assumptions of locality of the perturbation usually used in determining Mach number from the imbalance in density on both sides of the probe.

Alejandro Paredes, Eric Serre, Frédéric Schwander, Philippe Ghendrih, Patrick Tamain. Numerical fluid modelling of the plasma edge response to a 3D object and application to mach probe measurements. Contributions to Plasma Physics, 2014, 54 (4-6), pp.373-377. ⟨10.1002/ctpp.201410028⟩. ⟨hal-01050666⟩

Journal: Contributions to Plasma Physics

Date de publication: 01-01-2014

Auteurs:
  • Alejandro Paredes
  • Eric Serre
  • Frédéric Schwander
  • Philippe Ghendrih
  • Patrick Tamain

Digital object identifier (doi): http://dx.doi.org/10.1002/ctpp.201410028

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