Numerical Simulation of Viscous Shocked Accretion Flows Around Black Holes
The work developed in this thesis addresses very important and relevant issues of accretion processes around black holes. Beginning by studying the time variation of the evolution of inviscid accretion discs around black holes and their properties, the author investigates the change of the pattern o...
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| Ngôn ngữ: | English |
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Springer
2015
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| Truy cập trực tuyến: | https://scholar.dlu.edu.vn/thuvienso/handle/DLU123456789/57642 |
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oai:scholar.dlu.edu.vn:DLU123456789-576422023-11-11T05:47:45Z Numerical Simulation of Viscous Shocked Accretion Flows Around Black Holes Giri, Kinsuk Black holes Mathematical models Viscous flow Physics The work developed in this thesis addresses very important and relevant issues of accretion processes around black holes. Beginning by studying the time variation of the evolution of inviscid accretion discs around black holes and their properties, the author investigates the change of the pattern of the flows when the strength of the shear viscosity is varied and cooling is introduced. He succeeds to verify theoretical predictions of the so called Two Component Advective Flow (TCAF) solution of the accretion problem onto black holes through numerical simulations under different input parameters. TCAF solutions are found to be stable. And thus explanations of spectral and timing properties (including Quasi-Period Oscillations, QPOs) of galactic and extra-galactic black holes based on shocked TCAF models appear to have a firm foundation. 2015-08-19T08:50:43Z 2015-08-19T08:50:43Z 2015 Book 978-3-319-09540-0 https://scholar.dlu.edu.vn/thuvienso/handle/DLU123456789/57642 en application/pdf Springer |
| institution |
Thư viện Trường Đại học Đà Lạt |
| collection |
Thư viện số |
| language |
English |
| topic |
Black holes Mathematical models Viscous flow Physics |
| spellingShingle |
Black holes Mathematical models Viscous flow Physics Giri, Kinsuk Numerical Simulation of Viscous Shocked Accretion Flows Around Black Holes |
| description |
The work developed in this thesis addresses very important and relevant issues of accretion processes around black holes. Beginning by studying the time variation of the evolution of inviscid accretion discs around black holes and their properties, the author investigates the change of the pattern of the flows when the strength of the shear viscosity is varied and cooling is introduced. He succeeds to verify theoretical predictions of the so called Two Component Advective Flow (TCAF) solution of the accretion problem onto black holes through numerical simulations under different input parameters. TCAF solutions are found to be stable. And thus explanations of spectral and timing properties (including Quasi-Period Oscillations, QPOs) of galactic and extra-galactic black holes based on shocked TCAF models appear to have a firm foundation. |
| format |
Book |
| author |
Giri, Kinsuk |
| author_facet |
Giri, Kinsuk |
| author_sort |
Giri, Kinsuk |
| title |
Numerical Simulation of Viscous Shocked Accretion Flows Around Black Holes |
| title_short |
Numerical Simulation of Viscous Shocked Accretion Flows Around Black Holes |
| title_full |
Numerical Simulation of Viscous Shocked Accretion Flows Around Black Holes |
| title_fullStr |
Numerical Simulation of Viscous Shocked Accretion Flows Around Black Holes |
| title_full_unstemmed |
Numerical Simulation of Viscous Shocked Accretion Flows Around Black Holes |
| title_sort |
numerical simulation of viscous shocked accretion flows around black holes |
| publisher |
Springer |
| publishDate |
2015 |
| url |
https://scholar.dlu.edu.vn/thuvienso/handle/DLU123456789/57642 |
| _version_ |
1819800604474605568 |