School of Mathematics and Statistics, Beijing Institute of Technology, Beijing 100081, China; Department of Mathematics and Statistics, Hazara University, Mansehra 21300, Pakistan.
Department of Mathematics, Quaid-I-Azam University, Islamabad, 45320, Pakistan.
Comput Methods Programs Biomed. 2020 Jul;190:105362. doi: 10.1016/j.cmpb.2020.105362. Epub 2020 Jan 28.
Hydromagnetic second order velocity slip flow of viscous material with nonlinear mixed convection towards a stretched rotating disk is numerically examined here. Important slip mechanism of Buongiorno's nanofluid model i.e., Brownian motion and thermophoretic diffusion is incorporated in the mathematical modeling. Heat transport aspects are examined via Joule heating, thermal radiation and dissipation. Convective conditions at the stretchable surface of disk is implemented for the heat transport analysis. Chemical reaction subject to activation energy is also considered. Through appropriate transformations and shooting method the outcomes are computed and demonstrated graphically. The flow field, temperature, surface drag force, concentration and Nusselt number are deliberated subject to pertinent parameters. Total entropy rate is obtained. The outcomes show that magnetic field significantly affects the flow field as well as entropy rate.
本文数值研究了粘性材料在磁场中的二阶速度滑移流动，其中包括非线性混合对流对旋转圆盘的影响。文中采用了 Buongiorno 的纳米流体模型中的重要滑移机制，即布朗运动和热泳扩散。通过焦耳加热、热辐射和耗散来研究传热方面。对圆盘可伸缩表面的对流条件进行了传热分析。还考虑了受激活能影响的化学反应。通过适当的变换和打靶法计算了结果，并以图形方式进行了展示。讨论了相关参数下的流场、温度、表面阻力、浓度和努塞尔数。得到了总熵率。结果表明，磁场对流动场和熵率有显著影响。
