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Dynamics of thermally magnetized grooved flow field having uniformly heated circular cylinder: Finite element analysis
Case Studies in Thermal Engineering ( IF 6.4 ) Pub Date : 2020-07-08 , DOI: 10.1016/j.csite.2020.100718
Zahra Abdelmalek , Khalil Ur Rehman , Qasem M. Al-Mdallal , Wael Al-Kouz , M.Y. Malik

The present paper contains the untapped characteristics of the thermally magnetized grooved computational domain. To be more specific, in this paper the uniformly heated circular-shaped cylinder is placed fixed towards ongoing cold Newtonian fluid. Two uniformly heated rectangular ribs are installed to attain grooved geometry. Further, it is assumed that the cold fluid enters from an inlet of the channel with the parabolic velocity profile. The outlet of the channel is carried with Neumann condition. All other walls are taken with no-slip condition. The energy equation is incorporated to examine the heat transfer individualities. In this regard, the left wall is taken cold while the right wall is carried with an adiabatic condition. The whole physical design is translated in terms of partial differential equations and for solution purpose, the finite element method is utilized. For a better approximation, we have carried hybrid meshing. The outcomes are shared by way of contour plots and line graph study. The impact of the magnetized flow field and the heated rectangular ribs on hydrodynamic forces experienced by the circular obstacle is examined. The statistics for hydrodynamic forces in terms of lift and drag coefficients are offered up-to five different meshed levels. Such values are recorded by adopted line integration around the outer surface of the obstacle.



中文翻译:

具有均匀加热圆柱体的热磁化开槽流场的动力学:有限元分析

本文包含热磁化沟槽计算域的未开发特征。更具体地说,在本文中,将均匀加热的圆形圆柱体固定放置在进行中的冷牛顿流体中。安装两个均匀加热的矩形肋,以获得带槽的几何形状。此外,假设冷流体以抛物线速度曲线从通道的入口进入。通道的出口带有Neumann条件。所有其他墙壁均在不打滑的情况下使用。结合了能量方程式以检查传热特性。在这方面,左壁被冷,而右壁则处于绝热状态。整个物理设计会根据偏微分方程进行转换,并且出于求解目的,利用了有限元法。为了更好地近似,我们进行了混合网格划分。结果通过等高线图和折线图研究共享。考察了磁化流场和加热的矩形肋对圆形障碍物承受的流体动力的影响。根据升力和阻力系数,提供了多达五个不同网格级别的水动力统计数据。通过围绕障碍物外表面采用的线积分来记录这些值。根据升力和阻力系数,提供了多达五个不同网格级别的水动力统计数据。通过围绕障碍物外表面采用的线积分来记录这些值。根据升力和阻力系数,提供了多达五个不同网格级别的水动力统计数据。通过围绕障碍物外表面采用的线积分来记录这些值。

更新日期:2020-07-08
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