An Accretion Disk without Angular Momentum Near a Black Hole

被引：0

作者：

Beskin, V. S. ^{[1
]}

Zheltoukhov, A. A. ^{[1
]}

Pariev, V. I. ^{[2
]}

机构：

[1] Russian Acad Sci, PN Lebedev Phys Inst, Moscow 119991, Russia

[2] Korea Astron & Space Sci Inst, Taejon 305348, South Korea

来源：

ASTRONOMY REPORTS | 2012年 / 56卷 / 01期

基金：

俄罗斯基础研究基金会;

关键词：

WINDS;

D O I：

10.1134/S1063772912010015

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

We have studied the two-dimensional structure of an accretion disk without angular momentum near a black hole using the Grad-Shafranov equation. When the two-dimensional structure of the flow is systematically taken into account, the singularity of the hydrodynamic equations is located at the sonic surface, rather than at a displaced surface, as occurs when the disk thickness is estimated using the standard technique. A transonic flow can also exist for negative energies, which is not possible when the accretion is strictly radial. DOI: 10.1134/S1063772912010015

引用

页码：1 / 8

页数：8

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