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A numerical study of magneto-double-diffusive-convection of Casson fluid over a vertical cone under nonuniform heating at surface of cone

机译:锥形锥下垂直锥上碳酸碳液磁性双扩散 - 对流的数值研究

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The objective of this investigation is to determine the impact of nonuniform heating on the transient natural convection of Casson fluid past a vertical cone in the appearance of a constant magnetic field. The overall analysis has executed in the presence of viscous dissipation, chemically reactive species, and ramped concentration. The derived governing partial differential equations in the dimensionless form are evaluated numerically using the implicit Crank-Nicolson technique of finite difference method. The obtained numerical solutions for various physical parameters on all examined profiles have been shown graphically. The major result is found that the temperature and velocity profiles have a maximum magnitude at the middle of the lateral side of the cone. Also, the concentration profile has a maximum magnitude at t = 3 for ramped concentration case.
机译:本研究的目的是确定不均匀的加热对恒定磁场外观上的垂直锥体的瞬态自然对流的影响。 总体分析在存在粘性耗散,化学反应性物质和斜坡浓度的存在下执行。 在数值上使用有限差分方法的隐式曲柄 - 尼科尔森技术进行数值评价无量纲形式的导出的局部微分方程。 在图形上示出了对所有检查轮廓上的各种物理参数的所得数值解。 发现主要结果是,温度和速度分布在锥体的侧面中间具有最大幅度。 而且,浓度分布在T = 3处具有最大幅度,用于斜坡浓度壳体。

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