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首页> 外文期刊>Physica Scripta: An International Journal for Experimental and Theoretical Physics >MHD stagnation point flow of viscous nanofluid over a curved surface
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MHD stagnation point flow of viscous nanofluid over a curved surface

机译：曲面上粘性纳米流体的MHD停滞点流动

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摘要

In this article, we have examined the steady 2D magnetohydrodynamic (MHD) stagnation point flow of an incompressible viscous nanofluid over a curved surface based on mass suction. Alumina (Al2O3) is taken to be a nanoparticle while ethylene glycol is considered a base fluid. The developed flow and heat equations are changed into coupled ordinary differential equations through dimensionless variables, which are resolved numerically via the bvp4c scheme in MATLAB. The graphical results for temperature, velocity, Nusselt number and skin friction have been obtained under the effect of various parameters, such as suction parameter S, Hartmann number M, curvature parameter K and nanoparticle volume fraction phi. From these results, it is noticed that S, M and phi act directly on the skin friction and heat transfer rate, although the reverse effect has been shown by K. Furthermore, increasing K leads to lower fluid velocity and higher temperature field.
机译：在本文中，我们已经在曲面抽吸中检测了在曲面上的不可压缩粘性纳米流体的稳定的2D磁性动力学（MHD）停滞点流。 氧化铝（Al 2 O 3）是纳米颗粒，而乙二醇被认为是基础流体。 发达的流动和热方程通过无量纲变量改变为耦合的常微分方程，其通过MATLAB中的BVP4C方案进行数字地解析。 在各种参数的效果下获得了温度，速度，露珠数和皮肤摩擦的图形结果，例如吸入参数S，Hartmann编号M，曲率参数K和纳米颗粒体积分数Phi。 从这些结果中，注意到S，M和PHI直接作用于皮肤摩擦和传热速率，尽管k的逆向效果。此外，增加k导致较低的流体速度和更高的温度场。

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