Physics – Plasma Physics
Scientific paper
Nov 1998
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1998aps..dpp.u9q09p&link_type=abstract
American Physical Society, Division of Plasma Physics Meeting, November 16-20, 1998 New Orleans, LA, abstract #U9Q.09
Physics
Plasma Physics
Scientific paper
Problems of the kinetic simulation of charged and neutral particle flows due to interactions of bodies with space magnetoplasma are dealt with. The image method (see [1], [2]) is considered in application to modeling disturbances of space plasma. The specific case of diffuse reflection of any particle impinging on the object surface is simulated in detail. As applications of the method, simple analytical expressions have been obtained for the far disturbances of the ion concentration due to the diffuse reflecting plate motion at an arbitrary angle to the ambient magnetic field. Different directions of the motion with respect to the plate normal are considered. Disturbances of charged particle concentration are calculated using numerical and analytical methods. The surfaces of constant disturbances are plotted. This work with previous author's results allow the following conclusions: (i) both different interactions with surfaces and ambient electric, magnetic fields can have strong impacts on disturbances due to moving surfaces (ii) these impacts are simulated by kinetic equations which can be solved by numerically and in some specific cases analytically. [1] Physical Review E, v.54, 5591-5598, 1996 [2] Planetary and Space Science, v.43, 1409-1418, 1419-1427, 1995
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