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首页> 外文期刊>Applied Mechanics and Engineering >MHD AND ROTATION EFFECTS ON FLOW PAST AN ACCELERATED VERTICAL PLATE WITH VARIABLE TEMPERATURE AND MASS DIFFUSION IN THE PRESENCE OF CHEMICAL REACTION
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MHD AND ROTATION EFFECTS ON FLOW PAST AN ACCELERATED VERTICAL PLATE WITH VARIABLE TEMPERATURE AND MASS DIFFUSION IN THE PRESENCE OF CHEMICAL REACTION

机译：存在化学反应时，变温和质量扩散加速的垂直平板流动的MHD和旋转效应

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摘要

rotation; accelerated; isothermal; vertical plate; heat transfer; diffusion; magnetic field; chemical reaction%An exact analysis of rotation effects on an unsteady flow of an incompressible and electrically conducting fluid past a uniformly accelerated infinite isothermal vertical plate, under the action of a transversely applied magnetic field is presented. The plate temperature is raised linearly with time and the concentration level near the plate is also raised to C'_w. The dimensionless governing equations are solved using the Laplace-transform technique. The velocity profiles, temperature and concentration are studied for different physical parameters such as the magnetic field parameter, chemical reaction parameter, thermal Grashof number, mass Grashof number, Schmidt number, Prandtl number and time. It is observed that the velocity increases with increasing values of the thermal Grashof number or mass Grashof number. It is also observed that the velocity increases with decreasing values of the magnetic field parameter or rotation parameter Ω.
机译：回转;加速等温垂直板传播热量;扩散;磁场;化学反应％在横向施加磁场的作用下，精确地分析了旋转对不可压缩的导电流体流过均匀加速的无限等温垂直板的不稳定影响的精确分析。板温度随时间线性升高，并且板附近的浓度水平也升高到C'_w。无量纲控制方程使用拉普拉斯变换技术求解。研究了不同物理参数（例如磁场参数，化学反应参数，热格拉夫霍夫数，质量格拉夫霍夫数，施密特数，普朗特数和时间）的速度分布，温度和浓度。观察到，速度随着热格拉索夫数或质量格拉索夫数的值增加而增加。还观察到，速度随着磁场参数或旋转参数Ω的值减小而增加。

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