Viscosity in Planetary Rings: Results from Numerical Simulations

Details Viscosity in Planetary Rings: Results from Numerical Simulations Viscosity in Planetary Rings: Results from Numerical Simulations

Oct 2011

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2011epsc.conf..446y&link_type=abstract

EPSC-DPS Joint Meeting 2011, held 2-7 October 2011 in Nantes, France. http://meetings.copernicus.org/epsc-dps2011, p.446

Computer Science

Scientific paper

Saturn's rings are composed of many icy particles, and angular momentum is transported due to collision and gravitational interaction between these particles. Viscosity in the rings arising from such interactions between particles governs the rate of dynamical evolution and structure formation in the rings. We examine the effect of surface friction on the viscosity and the dependence of the viscosity on optical depth and distance from Saturn, using local N-body simulation. We derive semi-analytic formula that approximately reproduces our numerical results.

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