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首页> 外文期刊>Applied Mechanics and Engineering >EFFECTS OF CHEMICAL REACTION ON MHD FLOW PAST AN IMPULSIVELY STARTED INFINITE VERTICAL PLATE WITH UNIFORM HEAT AND MASS FLUX
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EFFECTS OF CHEMICAL REACTION ON MHD FLOW PAST AN IMPULSIVELY STARTED INFINITE VERTICAL PLATE WITH UNIFORM HEAT AND MASS FLUX

机译：化学反应对具有均匀热流和质量流的脉冲启动无限垂直板的MHD流动的影响

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摘要

Finite difference solutions of the unsteady MHD flow past an impulsively started infinite vertical plate with uniform heat and mass flux are presented here, taking into account the homogeneous chemical reaction of first order. The dimensionless governing equations are solved by an efficient, more accurate, unconditionally stable and fast converging implicit scheme. The effects of velocity, temperature and concentration for different parameters such as chemical reaction parameter, Schmidt number, Prandtl number, thermal Grashof number, mass Grashof number and time are studied. It is observed that due to the presence of a first order chemical reaction, the velocity increases during the generative reaction and decreases in the destructive reaction. It is observed that the velocity decreases in the presence of the magnetic field, as compared to its absence.
机译：考虑到一阶均相的化学反应，此处给出了不稳定的MHD流通过具有均匀热和质量通量的脉冲开始的无限垂直板的有限差分解。无量纲的控制方程通过有效，更准确，无条件稳定和快速收敛的隐式方案求解。研究了速度，温度和浓度对化学反应参数，施密特数，普朗特数，热格拉斯霍夫数，质量格拉斯霍夫数和时间等参数的影响。观察到由于一级化学反应的存在，在生成反应期间速度增加而在破坏反应中速度降低。观察到，与不存在磁场相比，在存在磁场的情况下速度降低。

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