3D numerical hydrodynamical models of the precessing thick accretion disk and ON- and OFF-state generations in microquasars

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dc.contributor.authorNazarenko, V. V.
dc.contributor.authorNazarenko, S. V.
dc.date.accessioned2017-12-22T13:10:57Z
dc.date.available2017-12-22T13:10:57Z
dc.date.issued2017
dc.description.abstractThe thick accretion disk and donor’s wind on the example of CYG X-1 are computed. The main aim of the present simulations is to calculate the precessing thick accretion disk and ON- and OFF-state generation by the methods of 3D numerical hydrodynamics. The main task of the present research is to investigate the dependencies of the central disk temperature and mass accretion rate versus time. Non-stationary Euler’s hydrodynamical equations are resolved by astrophysical variant of large-particle method by Belotserkovskii & Davydov. The ON- and OFF-state generation for the precessing thick accretion disk was setting. The correlation between radio flux and X-ray was setting. Our present calculations also show that in the cases of the thick accretion disk the jet velocities will be close to 0.24-0.26 of light speed (see for instance SS433) and on contrary in the cases of a thin accretion disk jet velocities will be close to 0.98-0.99 of light speed (see for instance CYG X-1).uk
dc.identifierDOI: http://dx.doi.org/10.18524/1810-4215.2017.30.114365
dc.identifier.citationOdessa Astronomical publications = Одесские астрономические публикации = Одеські астрономічні публікаціїuk
dc.identifier.urihttps://dspace.onu.edu.ua/handle/123456789/12247
dc.language.isoenuk
dc.publisherОдеський національний університет імені І. І. Мечниковаuk
dc.relation.ispartofseries;Vol. 30.
dc.subjectbinaries – starsuk
dc.subjectjets – methodsuk
dc.subjectnumerical – hydrodynamicsuk
dc.title3D numerical hydrodynamical models of the precessing thick accretion disk and ON- and OFF-state generations in microquasarsuk
dc.typeArticleuk
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Odesa Astronomical Publications