论文标题

瑞利 - 贝纳德对流在强垂直磁场中:流量结构和数值方法的验证

Rayleigh-Bénard Convection in Strong Vertical Magnetic Field: Flow Structure and Verification of Numerical Method

论文作者

Akhmedagaev, Ruslan, Zikanov, Oleg, Krasnov, Dmitry, Schumacher, Joerg

论文摘要

进行直接数值模拟,以研究具有均匀轴向磁场的垂直圆柱腔中的湍流雷利 - 纳德对流。考虑到高哈特曼和瑞利数字的流量。计算表明,与在雷利 - 贝纳德在对流中观察到的行为相似,强烈的磁场在强磁场上流动发展中央涡流,而热传递则被抑制。

Direct numerical simulations are performed to study turbulent Rayleigh-Bénard convection in a vertical cylindrical cavity with uniform axial magnetic field. Flows at high Hartmann and Rayleigh numbers are considered. The calculations reveal that, similarly to the behavior observed in Rayleigh-Bénard convection with strong rotation, flows at strong magnetic field develop a central vortex, while the heat transfer is suppressed.

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