AI 中文总结
该研究通过流体动力学数值模拟，探究了不同温度跨声速平流吸积盘的外流性质，发现外流率及能量、动量通量随粘滞性增大而增加，其结果或对吸积反馈机制有重要意义。
AI 中文摘要
我们采用流体动力学数值模拟研究跨声速平流吸积盘外流的性质，考虑两种相差一个数量级的盘温度。对于较热的盘，速度、比角动量和温度采用解析解作为初始条件；较冷盘的速度和角动量分布保持相同，温度降低一个数量级。模拟在粘滞性和辐射冷却（考虑轫致辐射和同步辐射过程）存在下进行，两种盘模型中外流率随粘滞性增大而增加。我们还分析了两种情况的极向速度结构，研究粘滞性对外流质量通量加权能量和动量通量的影响。结果表明，能量和动量通量均随粘滞性升高而增大，可能在吸积反馈机制中发挥重要作用。
英文摘要
We investigate the properties of outflows from the transonic advective accretion disk using hydrodynamical numerical simulations. We consider two different disk temperatures with an order-of-magnitude difference. For the hotter disk, we adopt initial conditions for velocity, specific angular momentum, and temperature from analytical solutions. In the colder disk case, the velocity and angular momentum profiles are kept identical, while an order of magnitude reduction in the temperature. The simulations are performed in the presence of viscosity and radiative cooling, considering bremsstrahlung and synchrotron processes. In both disk models, the outflow rate increases with viscosity. We also examine the poloidal velocity structures for both cases. We analyze the influence of viscosity on the mass flux-weighted energy and momentum fluxes of the outflows. Our results show that both energy and momentum fluxes increase with higher viscosity and may play a significant role in accretion feedback mechanisms.
Comments12 pages, 4 figures, Proceedings of BINA conference held on November 2025
