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Thermally developed generalized Bödewadt flow containing nanoparticles over a rotating surface with slip condition
International Communications in Heat and Mass Transfer ( IF 7 ) Pub Date : 2021-02-01 , DOI: 10.1016/j.icheatmasstransfer.2021.105143
Z. Abbas , M.Y. Rafiq , J. Hasnain , A. Nadeem

Recent advanced nanotechnology trends have developed thermal implications of nanoparticles as they are more and more important in different engineering and thermal extrusion technologies. Nanofluids are the best substitute to improve the thermal conductivity of conventional heat transfer base liquids. Therefore, the present article addresses the comparative study for the heat transfer phenomena in the thermal boundary layer due to a generalized VF of NF over an infinite rotating disk with generalized SC. The motion is generated by the fluid rotation like a solid body with a constant angular velocity Ω at a sufficiently extensive distance from the disk's surface. The nanoparticles Cu and TiO2 are considered with water-based NF subjected to thermal radiation. Finite difference-based method bvp4c is employed to solve the obtained non-linear ODEs numerically. The analysis of various flow parameters on the velocity components and temperature fields at the surface of the disk is outlined through graphical and tabular outcomes. The findings reveal that suction reduces the velocity overshoot and dampens the fluctuation.



中文翻译:

热开发的广义Bödewadt流在带滑动条件的旋转表面上包含纳米颗粒

随着纳米粒子在不同的工程和热挤压技术中越来越重要,近来先进的纳米技术趋势已经发展了纳米粒子的热影响。纳米流体是改善常规传热基础液体的导热性的最佳替代品。因此,本文针对在具有广义SC的无限旋转盘上由于NF的广义VF引起的热边界层传热现象的比较研究。该运动是由流体旋转产生的,就像固体一样,在距磁盘表面足够远的距离处具有恒定的角速度Ω。纳米粒子CuTiO 2被认为是受热辐射的水基NF。基于有限差分的方法bvp4c用于数值求解所获得的非线性ODE。通过图形和表格形式的结果概述了对磁盘表面速度分量和温度场的各种流量参数的分析。研究结果表明,吸力可减小速度过冲并减轻波动。

更新日期:2021-02-01
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