cu -煤油和al2o3 -煤油边界层纳米流体流过拉伸/收缩表面

P. K. Pattnaik, Sujogya Mishra, A. P. Baitharu, S. Jena
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引用次数: 0

摘要

数学讨论了两种不同类别的纳米流体,如铜(Cu)-煤油和氧化铝(Al2O3)-煤油,在拉伸/收缩表面上,已经在这个手稿中进行了讨论。以煤油为基础的纳米流体以纳米粒子的形式携带铜和氧化铝。通过引入相似度方法,从基本方程出发,得到微分方程。利用一种合适的数值方法龙格-库塔四阶法对各耦合非线性ode进行求解。发现al2o3 -煤油的速度略大于cu -煤油,但在温度和纳米流体的情况下则相反。由于纳米颗粒的存在,体积浓度的存在很重要,因为纳米流体的性质取决于纳米颗粒的物理性质。
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Cu-kerosene and Al2O3-kerosene boundary layer nanofluid flow past a stretching/shrinking surface
A mathematical discussion of two different classes of nanofluids, such as Copper (Cu)-Kerosene and Aluminum oxide (Al2O3)-Kerosene, over a stretching/shrinking surface, has been discussed in this manuscript. Here Kerosene based nanofluids carry Copper and Aluminum oxide as nanoparticles. The ODEs are obtained from basic equations by introducing the similarity approach. The respective coupled nonlinear ODEs are solved with the help of a suitable numerical technique named as Runge-Kutta fourth-order method. It is found that Al2O3-Kerosene possesses a slightly greater velocity than Cu-Kerosene, but a reverse effect is found in the case of temperature and nanofluids. The presence of volume concentration is important due to the presence of nanoparticles as nanofluids property depends on the physical properties of nanoparticles.
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来源期刊
CiteScore
6.00
自引率
1.70%
发文量
24
期刊介绍: Proceedings of the Institution of Mechanical Engineers Part N-Journal of Nanomaterials Nanoengineering and Nanosystems is a peer-reviewed scientific journal published since 2004 by SAGE Publications on behalf of the Institution of Mechanical Engineers. The journal focuses on research in the field of nanoengineering, nanoscience and nanotechnology and aims to publish high quality academic papers in this field. In addition, the journal is indexed in several reputable academic databases and abstracting services, including Scopus, Compendex, and CSA's Advanced Polymers Abstracts, Composites Industry Abstracts, and Earthquake Engineering Abstracts.
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