Atmospheric Transport on Io -- Direct Simulation Model

Details Atmospheric Transport on Io -- Direct Simulation Model Atmospheric Transport on Io -- Direct Simulation Model

Sep 1996

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1996dps....28.2312w&link_type=abstract

American Astronomical Society, DPS meeting #28, #23.12; Bulletin of the American Astronomical Society, Vol. 28, p.1154

Astronomy and Astrophysics

Astronomy

Scientific paper

A Direct Simulation Monte Carlo (DSMC) method is used to model aspects of the transport of SO2 molecules in Io's atmosphere in two dimensions. The model was constructed to compliment our earlier hydrodynamics models of Io's atmosphere [1-3]. The DSMC model allows us to describe the atmosphere more accurately in the rarefied regions, in the vicinity of the exobase and the atmospheric corona. This will allow us to include atmospheric sputtering which we compare to the 1-D Monte Carlo model of Pospieszalska and Johnson [4]. Results from the model will be presented at the meeting. [1] M.C. Wong and R.E. Johnson (1995). The Effect of Plasma Heating on Sublimation-Driven Flow in Io's Atmosphere. ICARUS 115, 109-118. [2] M.C. Wong and R.E. Johnson (1996). A 3-D Azimuthally Symmetric Model Atmosphere for Io. I: Photochemistry and the Accumulation. [3] M.C. Wong and R.E. Johnson (1996). A 3-D Azimuthally Symmetric Model Atmosphere for Io. II: Plasma Effect on the Surface. J. Geophys Res, in press. [4] Pospieszalska and Johnson (1996). Monte Carlo Calculations of Plasma Ion-induced Sputtering of an Atmosphere: SO2 Ejected From Io. J. Geophys Res 101, 7565-7573.

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