The dynamics of a viscous differentially rotating gravitating medium

Details The dynamics of a viscous differentially rotating gravitating medium The dynamics of a viscous differentially rotating gravitating medium

Dec 1989

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989pazh...15.1122f&link_type=abstract

Pis'ma v Astronomicheskii Zhurnal (ISSN 0320-0108), vol. 15, Dec. 1989, p. 1122-1130. In Russian. In Russian.

Astronomy and Astrophysics

Astrophysics

6

Flow Stability, Gas Dynamics, Gravitational Effects, Rotating Fluids, Viscous Fluids, Accretion Disks, Astrophysics, Differential Equations, Roots Of Equations

Scientific paper

The dynamics of a rotating gaseous viscous gravitating medium are discussed relative to two-dimensional low-amplitude perturbations shorter than the system's thickness. In the local rotating reference frame, an exact solution is obtained in the form of the product between the fractional-rational and transcendental time functions. The results are applied to real objects, showing that the turbulent velocity of gaseous clouds in the solar neighborhood is about 6 km/s.

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