Astronomy and Astrophysics – Astronomy
Scientific paper
Nov 1990
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1990georl..17.2261c&link_type=abstract
Geophysical Research Letters (ISSN 0094-8276), vol. 17, Nov. 1990, p. 2261-2264. Research supported by the University of Kansas.
Astronomy and Astrophysics
Astronomy
6
Astronomical Models, Magnetometers, Pioneer Venus Spacecraft, Planetary Ionospheres, Solar Wind, Venus Atmosphere, Magnetic Flux, Magnetohydrodynamics, Plasma Flux Measurement, Steady State, Two Dimensional Models, Vertical Distribution
Scientific paper
The results of a high-resolution, two-dimensional, time dependent, kinematic dynamo model of the ionospheric magnetic field of Venus are presented. Various one-dimensional models are considered and the two-dimensional model is then detailed. In this model, the two-dimensional magnetic induction equation, the magnetic diffusion-convection equation, is numerically solved using specified plasma velocities. Origins of the vertical velocity profile and of the horizontal velocities are discussed. It is argued that the basic features of the vertical magnetic field profile remain unaltered by horizontal flow effects and also that horizontal plasma flow can strongly affect the magnetic field for altitudes above 300 km.
Cravens Thomas E.
Shinagawa Hiroyuki
Wu Dajing
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