Accretion Flows in Astrophysics

Accretion Flows in Astrophysics

Author: Nikolay Shakura

Publisher: Springer

Published: 2018-10-03

Total Pages: 437

ISBN-13: 3319930095

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This book highlights selected topics of standard and modern theory of accretion onto black holes and magnetized neutron stars. The structure of stationary standard discs and non-stationary viscous processes in accretion discs are discussed to the highest degree of accuracy analytic theory can provide, including relativistic effects in flat and warped discs around black holes. A special chapter is dedicated to a new theory of subsonic settling accretion onto a rotating magnetized neutron star. The book also describes supercritical accretion in quasars and its manifestation in lensing events. Several chapters cover the underlying physics of viscosity in astrophysical discs with some important aspects of turbulent viscosity generation. The book is aimed at specialists as well as graduate students interested in the field of theoretical astrophysics.


Accretion Power in Astrophysics

Accretion Power in Astrophysics

Author: Juhan Frank

Publisher: Cambridge University Press

Published: 2002-01-17

Total Pages: 390

ISBN-13: 9780521629577

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Accretion Power in Astrophysics examines accretion as a source of energy in both binary star systems containing compact objects, and in active galactic nuclei. Assuming a basic knowledge of physics, the authors describe the physical processes at work in accretion discs and other accretion flows. The first three chapters explain why accretion is a source of energy, and then present the gas dynamics and plasma concepts necessary for astrophysical applications. The next three chapters then develop accretion in stellar systems, including accretion onto compact objects. Further chapters give extensive treatment of accretion in active galactic nuclei, and describe thick accretion discs. A new chapter discusses recently discovered accretion flow solutions. The third edition is greatly expanded and thoroughly updated. New material includes a detailed treatment of disc instabilities, irradiated discs, disc warping, and general accretion flows. The treatment is suitable for advanced undergraduates, graduate students and researchers.


MHD Flows in Compact Astrophysical Objects

MHD Flows in Compact Astrophysical Objects

Author: Vasily S. Beskin

Publisher: Springer Science & Business Media

Published: 2009-12-08

Total Pages: 425

ISBN-13: 3642012906

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Accretion flows, winds and jets of compact astrophysical objects and stars are generally described within the framework of hydrodynamical and magnetohydrodynamical (MHD) flows. Analytical analysis of the problem provides profound physical insights, which are essential for interpreting and understanding the results of numerical simulations. Providing such a physical understanding of MHD Flows in Compact Astrophysical Objects is the main goal of this book, which is an updated translation of a successful Russian graduate textbook. The book provides the first detailed introduction into the method of the Grad-Shafranov equation, describing analytically the very broad class of hydrodynamical and MHD flows. It starts with the classical examples of hydrodynamical accretion onto relativistic and nonrelativistic objects. The force-free limit of the Grad-Shafranov equation allows us to analyze in detail the physics of the magnetospheres of radio pulsars and black holes, including the Blandford-Znajek process of energy extraction from a rotating black hole immersed in an external magnetic field. Finally, on the basis of the full MHD version of the Grad-Shafranov equation the author discusses the problems of jet collimation and particle acceleration in Active Galactic Nuclei, radio pulsars, and Young Stellar Objects. The comparison of the analytical results with numerical simulations demonstrates their good agreement. Assuming that the reader is familiar with the basic physical and mathematical concepts of General Relativity, the author uses the 3+1 split approach which allows the formulation of all results in terms of physically clear language of three dimensional vectors. The book contains detailed derivations of equations, numerous exercises, and an extensive bibliography. It therefore serves as both an introductory text for graduate students and a valuable reference work for researchers in the field.


Theory of Transonic Astrophysical Flows

Theory of Transonic Astrophysical Flows

Author: Sandip K. Chakrabarti

Publisher: World Scientific

Published: 1990

Total Pages: 216

ISBN-13: 9789810202040

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This book presents methods of studying transonic flows applicable to various astrophysical circumstances. This is the first book of its kind and efforts have been made to be as thorough as possible. It gives complete mathematical solutions for the study in this area including various shock transitions. For any theoretical astrophysicists this book is expected to be very useful as the formalism discussed can be applied to all the branches. Both axisymmetric and non-axisymmetric flows are studied.


Astrophysical Flows

Astrophysical Flows

Author: James E. Pringle

Publisher: Cambridge University Press

Published: 2007-04-26

Total Pages: 217

ISBN-13: 1139464442

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Almost all conventional matter in the Universe is fluid, and fluid dynamics plays a crucial role in astrophysics. This graduate textbook, first published in 2007, provides a basic understanding of the fluid dynamical processes relevant to astrophysics. The mathematics used to describe these processes is simplified to bring out the underlying physics. The authors cover many topics, including wave propagation, shocks, spherical flows, stellar oscillations, the instabilities caused by effects such as magnetic fields, thermal driving, gravity, shear flows, and the basic concepts of compressible fluid dynamics and magnetohydrodynamics. The authors are Directors of the UK Astrophysical Fluids Facility (UKAFF) at the University of Leicester, and editors of the Cambridge Astrophysics Series. This book has been developed from a course in astrophysical fluid dynamics taught at the University of Cambridge. It is suitable for graduate students in astrophysics, physics and applied mathematics, and requires only a basic familiarity with fluid dynamics.


Astrophysics

Astrophysics

Author: James Binney

Publisher: Oxford University Press

Published: 2016

Total Pages: 177

ISBN-13: 0198752857

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Astrophysics is said to have been born when Isaac Newton saw an apple drop in his orchard and had the electrifying insight that the Moon falls just like that apple. James Binney shows how the application of physical laws derived on Earth allows us to understand objects that exist on the far side of the Universe.


Theory of Black Hole Accretion Discs

Theory of Black Hole Accretion Discs

Author: Marek A. Abramowicz

Publisher: Cambridge University Press

Published: 1998

Total Pages: 310

ISBN-13: 9780521623629

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The first comprehensive and up-to-date review of our new understanding of accretion disks around black holes - with chapters from experts from around the world.


The Physics of Accretion onto Black Holes

The Physics of Accretion onto Black Holes

Author: Maurizio Falanga

Publisher: Springer

Published: 2014-10-29

Total Pages: 0

ISBN-13: 9781493922260

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Provides a comprehensive summary on the physical models and current theory of black hole accretion, growth and mergers, in both the supermassive and stellar-mass cases. This title reviews in-depth research on accretion on all scales, from galactic binaries to intermediate mass and supermassive black holes. Possible future directions of accretion are also discussed. The following main themes are covered: a historical perspective; physical models of accretion onto black holes of all masses; black hole fundamental parameters; and accretion, jets and outflows. An overview and outlook on the topic is also presented. This volume summarizes the status of the study of astrophysical black hole research and is aimed at astrophysicists and graduate students working in this field. Originally published in Space Science Reviews, Vol 183/1-4, 2014.


Principles of Astrophysical Fluid Dynamics

Principles of Astrophysical Fluid Dynamics

Author: Cathie Clarke

Publisher: Cambridge University Press

Published: 2007-03-08

Total Pages: 239

ISBN-13: 0521853311

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An advanced textbook on AFD introducing astrophysics students to the necessary fluid dynamics, first published in 2007.


Astrophysics of Black Holes

Astrophysics of Black Holes

Author: Cosimo Bambi

Publisher: Springer

Published: 2016-07-28

Total Pages: 214

ISBN-13: 3662528592

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This book discusses the state of the art of the basic theoretical and observational topics related to black hole astrophysics. It covers all the main topics in this wide field, from the theory of accretion disks and formation mechanisms of jet and outflows, to their observed electromagnetic spectrum, and attempts to measure the spin of these objects. Black holes are one of the most fascinating predictions of general relativity and are currently a very hot topic in both physics and astrophysics. In the last five years there have been significant advances in our understanding of these systems, and in the next five years it should become possible to use them to test fundamental physics, in particular to predict the general relativity in the strong field regime. The book is both a reference work for researchers and a textbook for graduate students.