Turbulent viscosity and Jupiter's tidal Q

Details Turbulent viscosity and Jupiter's tidal Q Turbulent viscosity and Jupiter's tidal Q

Feb 1977

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1977icar...30..301g&link_type=abstract

Icarus, vol. 30, Feb. 1977, p. 301-304.

Physics

62

Galilean Satellites, Jupiter (Planet), Orbital Mechanics, Satellite Orbits, Tides, Turbulence, Convective Flow, Energy Dissipation, Planetary Evolution, Q Factors, Viscous Fluids

Scientific paper

A recent estimate of tidal dissipation by turbulent viscosity in Jupiter's convective interior predicts that the current value of the planet's tidal Q is roughly 5 million. We point out a fundamental error in this calculation, and show that turbulent dissipation alone implies that at present Q is about 50 trillion. Our reduced estimate for the rate of tidal dissipation shows conclusively that tidal torques have produced only negligible modifications of the orbits of the Galilean satellites over the age of the solar system.

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