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arXiv 0811.4705astro-ph
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2.5-平流吸积盘的三维解:自相似方法

2.5-dimensional solution of the advective accretion disk: A self-similar approach

Shubhrangshu Ghosh, Banibrata Mukhopadhyay

摘要:

我们提供了一个2.5维的解决方案,一套完整的粘性流体动力学方程描述吸积诱导流出,然后似是而非的喷流周围的黑洞/紧凑的对象。我们提出了一个自洽的对流盘-外流耦合模式,它明确地包含了垂直通量的信息。流入-流出系统的相互联系的动力学本质上支持守恒定律。我们通过自相似的方法提供了一组解析解族。盘-流出系统的流动参数强烈地依赖于粘性参数α和冷却因子f。

英文摘要:

We provide a 2.5-dimensional solution to a complete set of viscous hydrodynamical equations describing accretion-induced outflow and then plausible jet around black holes/compact objects. We prescribe a self-consistent advective disk-outflow coupling model, which explicitly includes the information of vertical flux. Inter-connecting dynamics of inflow-outflow system essentially upholds the conservation laws. We provide a set of analytical family of solutions through the self-similar approach. The flow parameters of the disk-outflow system depend strongly on viscosity parameter αand cooling factor f.

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