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| - Hydrodynamical wind on a magnetized ADAF with thermal conduction
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| Abstract
| - We examine the effects of a hydrodynamical wind on advection-dominated accretion flows (ADAFs) with thermal conduction in the presence of a toroidal magnetic field under a self-similar treatment. The disc gas is assumed to be isothermal. For a steady state structure of such accretion flows a set of self-similar solutions are presented. The mass-accretion rate decreases with radius r as , where s is an arbitrary constant. We show that existence of wind will lead to an increase of the accretion velocity. Cooling effects of outflows or winds are noticeable and should be taken into account for calculating luminosity and effective temperature of optically thin and thick ADAFs. Increasing the effect of wind decreases the disc’s temperature because of energy flux which is taken away by winds. We will see that for a given set of input parameters, the solution reaches a non-rotating limit at a specific value of φs. The values of this limitation on φs will increase by adding s, the wind parameter. In fact, the higher values of s will allow the disc to have a physical rotating solution for larger φs.
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