Muhammad Rahman, Mustafa Turkyilmazoglu, Muhammad Bilal, FARHAT SHARIF
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引用次数: 1
摘要
本文主要研究了纳米流体MHD在均匀吸力减速旋转圆盘上的传热特性。它与传统的冯·卡门流泵送有关,但与典型的牛顿流体不同,它使用的是由TiO \(_2\)、Al \(_2\) O \(_3\)、Ag、CuO和Cu纳米颗粒组成的水基纳米流体。将热能方程加入到经典的三维冯·卡门流问题中。采用Watson和Wang使用的相似变换后,将导方程转化为一组常微分方程,利用bvp4c MATLAB求解器对其进行数值求解。用图表来评价不同参数下的传热行为研究。此外,可以这样说,对于较小的普朗特数Pr,所有类型的流体的传热速率最高。传热速率随吸力参数A的增大而减小。对局部努塞尔数进行了计算和分析,并提出了增强传热的途径。
On heat transfer with unsteady MHD nanofluid von Karman flow with uniform suction
The current paper focusses on the heat transfer characteristics in nanofluid MHD flow across a decelerated rotating disk with uniform suction. It is concerned with conventional von Karman flow pumping, but unlike a typical Newtonian fluid, it uses water-based nanofluids made up of TiO\(_2\), Al\(_2\)O\(_3\), Ag, CuO and Cu nanoparticles. The thermal energy equation was added to the classic von Karman flow problem in three dimensions. After employing the similarity transformations used by Watson and Wang, the leading equations transformed into a set of ordinary differential equations were numerically solved by using bvp4c MATLAB solver. Graphs were used to evaluate the behavioural study of heat transfer for various parameters. Furthermore, it can be stated that for a smaller Prandtl number Pr, the heat transfer rate is highest for all types of naofluids. The rate of heat transmission reduces as suction parameter A increases. The local Nusselt numbers are calculated and analysed and the path to enhance heat transfer is also proposed.
期刊介绍:
Pramana - Journal of Physics is a monthly research journal in English published by the Indian Academy of Sciences in collaboration with Indian National Science Academy and Indian Physics Association. The journal publishes refereed papers covering current research in Physics, both original contributions - research papers, brief reports or rapid communications - and invited reviews. Pramana also publishes special issues devoted to advances in specific areas of Physics and proceedings of select high quality conferences.