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首页> 外文期刊>American journal of fluid dynamics >Onset of Magnetoconvection in a Rotating Darcy Porous Layer Heated from Below with Temperature Dependent Heat Source
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Onset of Magnetoconvection in a Rotating Darcy Porous Layer Heated from Below with Temperature Dependent Heat Source

机译：取决于温度的热源从下方加热的旋转达西多孔层中磁对流的开始

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摘要

The onset of stationary and oscillatory magnetoconvection in a rotating infinitely horizontal porous layer filled with electrically conducting Newtonian fluid heated from below with temperature – dependent heat source within the Darcy limit using linear stability analysis is investigated for free – free boundaries. The effects of heat source, magnetic field and rotation parameters on the onset of convection are presented graphically and analyzed in detail. It is found that increases in magnetic and rotation parameters delayed the onset of stationary and oscillatory convection, thereby stabilizing the system. The heat source parameter increment accelerates the onset of convection and the system is more unstable; while Prandtl number slowed the onset of oscillatory convection.
机译：利用线性稳定性分析研究了自由和自由边界在旋转无限水平多孔多孔层中发生的静止和振荡磁对流，该多孔层填充了从下方加热的，在达西限度内具有温度依赖性的热源，从下方加热的导电牛顿流体。用图形表示并详细分析了热源，磁场和旋转参数对对流发生的影响。已经发现，磁参数和旋转参数的增加会延迟固定对流和振荡对流的发生，从而使系统稳定。热源参数的增加会加速对流的发生，系统更加不稳定。而Prandtl数减慢了振荡对流的发生。

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