Statistics – Computation
Scientific paper
Dec 1982
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1982jgr....8710363m&link_type=abstract
Journal of Geophysical Research, vol. 87, Dec. 1, 1982, p. 10363-10371.
Statistics
Computation
25
Astronomical Models, Gas Dynamics, Magnetohydrodynamic Flow, Solar Wind, Steady Flow, Venus (Planet), Computational Fluid Dynamics, Flow Velocity, Mach Number, Pioneer Venus 1 Spacecraft, Planetary Magnetic Fields, Shock Waves
Scientific paper
A gas dynamic model for solar wind flow around Venus has been compared with Pioneer Venus orbiter plasma analyzer measurements from times when the solar wind flow seemed steadiest. The comparisons were made near the terminator. When the observed and model bow shock locations are matched, the model agrees fairly well with the observed parameters: the components of the flow velocity and magnetic field, and the proton number density and isotropic temperature. However, the Mach numbers required to fit the observed bow shock locations are less than 2/3 those estimated from the measured parameters of the free-stream flow, because the bow shock locations (near the terminator) are farther from Venus than expected. Sometimes the measured flow speeds appear to be retarded near the ionopause.
Mihalov John D.
Spreiter John R.
Stahara Stephen S.
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