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B. Mukhopadhyay (Harvard-Smithsonian Center for Astrophysics)
We study the kinematics of fluid flows with dominating advection component around the Low-Mass-X-ray-Binary systems. The rotational effect of compact objects is considered through the incorporation of Coriolis force, which is important to bring the frame-dragging effect into the system. Basically, we write the set of accretion flow equations in the rotating frame of reference which inherently includes the Coriolis effect. The introduction of the Coriolis force renders a change in the effective angular momentum of the fluid and affects the parameter space which is known for the case of non-rotating compact objects. Further, through the study of entropy of the flow, we understand that the Coriolis effect makes the disk unsteady and unstable (due to loss of entropy) in comparison with the cases which do not consider this effect, in several parameter regime.
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Bulletin of the American Astronomical Society, 36 #3
© 2004. The American Astronomical Soceity.