Abstract
view Abstract Citations (15) References (13) Co-Reads Similar Papers Volume Content Graphics Metrics Export Citation NASA/ADS Boundary layer circulation in disk-halo galaxies. Waxman, A. M. Abstract An idealized model of a disk-halo system is described and applied to the study of some fluid dynamical interactions between the gaseous components of a galactic disk and surrounding halo. The azimuthal flow in the vicinity of the disk, the viscosity of the interstellar gas, and a boundary layer structure are characterized. The fluid dynamical equations governing the viscous disk and the inviscid halo regions are solved by means of matched asymptotic expansions. Examples of gas circulation patterns are described; the flows show features that are suggestive of the '3-kpc arm' as well as the 'galactic infall' in the solar neighborhood. The implications of inflection points in the vertical structure of the flow is considered. Publication: The Astrophysical Journal Pub Date: May 1978 DOI: 10.1086/156121 Bibcode: 1978ApJ...222...61W Keywords: Boundary Layer Flow; Galactic Structure; Gas Flow; Interstellar Matter; Baroclinity; Galactic Rotation; Halos; Hydrodynamics; Inviscid Flow; Rotating Disks; Viscosity; Astrophysics; Galaxies:Hydrodynamics; Galaxies: Internal Motions full text sources ADS |
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