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- W3197307846 abstract "The presence of the perturbation on the torus around the black hole causes the torus material to be swallowed by the black hole and create a Papaloizou-Pringle Instability (PPI) in a few dynamical times. The growth in an instability and stationary accretion phase reached around the black hole show an indication of the presence of the Quasi-Periodic Oscillation (QPOs). In this paper, we present the 2D numerical hydrodynamical simulations of the torus around the black hole in a fixed space-time on the equatorial plane. We show that m =1 nonaxisymmetric instability and QPOs are presented for the perturbation which is triggered by increasing the angular velocity of torus in equilibrium. Our results indicate that the perturbed black hole-torus system can be a good candidate to explain the high energetic phenomena observed in the center of the galaxies and Active-Galactic Nuclei (AGN)." @default.
- W3197307846 created "2021-09-13" @default.
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- W3197307846 date "2019-09-12" @default.
- W3197307846 modified "2023-10-17" @default.
- W3197307846 title "On the effects of different perturbations applied to the black hole-torus systems" @default.
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- W3197307846 doi "https://doi.org/10.15406/paij.2019.03.00180" @default.
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