Potential flows in a core-dipole-shell system: numerical results

Details Potential flows in a core-dipole-shell system: numerical results Potential flows in a core-dipole-shell system: numerical results

2002-08-26

arxiv.org/abs/gr-qc/0208080v1

Class.Quant.Grav. 19 (2002) 4085-4093; Erratum-ibid. 19 (2002) 6515

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

RevTex, 8 pages, 5 eps figures, CQG to appear

Scientific paper

10.1088/0264-9381/19/15/314

Numerical solutions for: the integral curves of the velocity field (streamlines), the density contours, and the accretion rate of a steady-state flow of an ideal fluid with p=K n^(gamma) equation of state orbiting in a core-dipole-shell system are presented. For 1 < gamma < 2, we found that the non-linear contribution appearing in the partial differential equation for the velocity potential has little effect in the form of the streamlines and density contour lines, but can be noticed in the density values. The study of several cases indicates that this appears to be the general situation. The accretion rate was found to increase when the constant gamma decreases.

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