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Numerical simulations for swimming of gyrotactic microorganisms with Williamson nanofluid featuring Wu’s slip, activation energy and variable thermal conductivity
Applied Nanoscience Pub Date : 2020-09-06 , DOI: 10.1007/s13204-020-01548-y
Fazle Mabood , Sami Ullah Khan , Iskander Tlili

The pioneer motivations for current flow model are to study the rheological aspects of chemical reactive Williamson nano-material with utilization of gyrotactic microorganisms. The peak theme of activation energy and variable thermal conductivity are also incorporated. Unlike typical investigations, current flow model is formulated with employment of slip consequences with higher order relations. The induced flow is caused by a porous stretched surface additionally impact by magnetic force. The flow equations are transmuted into dimensionless form first for which numerical simulations are performed using famous finite difference approximations. The results are verified for limiting cases by comparing with various investigations and found excellent accuracy. The physical insight of all flow parameters are graphically underlined with interesting physical appliances. Furthermore, the numerical calculation for heat transfer enhancement, change in mass flux and motile density simulations are also evaluated in tabular form. The stream line and contour plots are also prepared.



中文翻译:

具有吴氏滑动,活化能和可变热导率的威廉姆森纳米流体对旋涡菌微生物游动的数值模拟

当前流动模型的先驱动机是利用旋回微生物研究化学反应性威廉姆森纳米材料的流变方面。还包含了活化能和可变导热系数的峰值主题。与典型的研究不同,当前的流量模型是采用具有较高阶关系的滑移后果来制定的。感应流是由多孔拉伸表面引起的,另外还受到磁力的影响。首先将流动方程式转换为无量纲形式,然后使用著名的有限差分近似进行数值模拟。通过与各种研究进行比较,对有限的案例进行了验证,得出了极好的准确性。有趣的物理设备在图形上强调了所有流量参数的物理洞察力。此外,还以表格形式评估了增强传热,质量通量变化和运动密度模拟的数值计算。还准备了流线和等高线图。

更新日期:2020-09-06
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