Interaction of the Forming Protoplanetary Disk and the Accretion Envelope

Details Interaction of the Forming Protoplanetary Disk and the Accretion Envelope Interaction of the Forming Protoplanetary Disk and the Accretion Envelope

Mar 1996

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1996lpi....27.1493z&link_type=abstract

Lunar and Planetary Science, volume 27, page 1493

Physics

2

Accretion Envelope, Boundary Layer, Collapse, Protoplanetary Disk, Turbulent Viscosity

Scientific paper

The interaction of the accretion envelope with the forming protoplanetary disk is considered, the angular momentum of the primordial presolar nebula being J = (1-4) x 10^52 g cm^2 s^-2. The boundary surface in the inner part of the disk is found to be a near-exocone with semi-vertex angle about 20 degrees. The thickness of the turbulent boundary layer and the kinematic turbulent viscosity in it are estimated. It is evaluated that the infalled material is concentrated in the disk near 1 AU.

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