On the choice of boundary conditions for the matching of kinetic to hydrodynamic polar wind models
Abstract
Kinetic polar wind models based on an asymmetric anisotropic Maxwellian at the exobase depend on four parameters which in principle can be determined by imposing fixed values for the number density, the flow speed, the temperature and the temperature anisotropy at the exobase. It is shown however that not any arbitrary set of values for these quantities can be chosen but that some forbidden regions do exist.
- Publication:
-
Bulletin de l'Academie Royale de Belgique
- Pub Date:
- 1982
- Bibcode:
- 1982BARB...68..533S
- Keywords:
-
- Atmospheric Models;
- Boundary Conditions;
- Hydrodynamics;
- Kinetics;
- Polar Meteorology;
- Space Plasmas;
- Wind (Meteorology);
- Anisotropy;
- Exosphere;
- Helium Ions;
- Hydrodynamic Equations;
- Hydrogen Ions;
- Maxwell-Boltzmann Density Function;
- Geophysics