Other
Scientific paper
Jul 1982
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1982apj...258..270b&link_type=abstract
Astrophysical Journal, Part 1, vol. 258, July 1, 1982, p. 270-279.
Other
60
Hydrodynamics, Interstellar Matter, Isothermal Flow, Nebulae, Rotating Matter, Stellar Mass Accretion, Boundary Value Problems, Density Distribution, Dynamic Models, Protostars, Rotating Spheres, Stellar Evolution, Velocity Distribution
Scientific paper
The evolutions of the envelopes of collapsing, accreting, isothermal clouds have been numerically calculated for both spherically symmetric and rotating (axisymmetric) clouds. The results provide a cohesive picture of isothermal collapse, and their relationship to previous numerical calculations and similarity solutions is discussed. Even with a large initial rotation rate, the majority of the cloud envelope is accreted, in one case leaving behind a large-scale circulation current. The calculations are performed for both initially uniform density and centrally condensed clouds. Density and velocity profiles for a wide variety of observed systems are compared with those obtained in this study, providing a preliminary assessment of the stage of evolution and initial structure for the observed systems.
Black David C.
Boss Alan P.
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