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dc.contributor.authorLemaire, J.
dc.contributor.authorScherer, M.
dc.date1971
dc.date.accessioned2017-08-24T13:13:23Z
dc.date.available2017-08-24T13:13:23Z
dc.identifier.urihttps://orfeo.belnet.be/handle/internal/5994
dc.descriptionA simple model for an ion-exosphere with an open magnetic field is set up. The ions move under the influence of (1) the gravitational field, (2) the monotonic decreasing static magnetic field, and (3) the electrostatic potential due to a small charge separation. Neglecting collisions and particle drift across the magnetic field lines the particles can be classified into four classes: ballistic, escaping, trapped, and incoming particles. For each class the number density, the particle flux, the momentum fluxes, and the energy flux are calculated as a function of the electrostatic potential. Finally, it is shown how this potential can easily be computed by considering two basic physical conditions: (1) the quasineutrality, and (2) the zero current condition.
dc.languageeng
dc.titleSimple model for an ion-exosphere in an open magnetic field
dc.typeArticle
dc.subject.frascatiPhysical sciences
dc.audienceScientific
dc.source.titlePhysics of Fluids
dc.source.volume14
dc.source.issue8
dc.source.page1683-1694
Orfeo.peerreviewedYes
dc.identifier.doi10.1063/1.1693664
dc.identifier.scopus2-s2.0-0000873765


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