Three-dimensional numerical models of the collapse of turbulent interstellar clouds

Details Three-dimensional numerical models of the collapse of turbulent interstellar clouds Three-dimensional numerical models of the collapse of turbulent interstellar clouds

Jan 1980

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1980a%26a....81..347r&link_type=abstract

Astronomy and Astrophysics, vol. 81, no. 3, Jan. 1980, p. 347-350.

Other

17

Gravitational Collapse, Interstellar Space, Mathematical Models, Plasma Clouds, Protostars, Stellar Models, Three Dimensional Models, Fragmentation, Hydrodynamics, Isotherms, Molecular Interactions, Plasma Turbulence, Stellar Evolution, Thermal Energy, Turbulence Models

Scientific paper

The collapse of four isothermal and turbulent molecular clouds is followed numerically by means of a three-dimensional hydrodynamical code. For brevity we use the notion "turbulence" to mean an arbitrary macroscopic random velocity field. It is found that moderate turbulent motions (υturb≦30% of the sound speed) are able to induce fragmentation only in very massive clouds with low thermal and rotational energies.

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