MHD滞止点流向有感应磁场的线性拉伸绝热板
MHD stagnation point flow toward a linearly-stretching thermally-insulated sheet with induced magnetic field
摘要:
将磁流体动力学驻点流向非导电、绝热、无孔、线性拉伸薄板的运动方程组转化为自相似形式。一致的边界条件的速度,磁场和温度调用。流动问题涉及三个参数-磁普朗特数,磁相互作用数,和拉伸率的比例的强度的停滞点流。能量方程包括粘性耗散和焦耳热,并引入普朗特数作为第四参数。数值解和样本结果。
英文摘要:
The equations governing the magnetohydrodynamic stagnation point flow toward a non-conducting, thermally insulated, nonporous, linearly stretching sheet are cast in a self similar form. Consistent boundary conditions on the velocity, magnetic field and temperature are invoked. The flow problem involves three parameters- the magnetic Prandtl number, the magnetic interaction number, and the ratio of the stretching rate to the strength of the stagnation point flow. The energy equation includes viscous dissipation and Joule heating, and introduces the Prandtl number as a fourth parameter. Numerical solutions are obtained and sample results are presented.
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