生物活性混合剂存在下,Stefan吹入卡森纳米流体的磁控对流

IF 4.2 Q2 NANOSCIENCE & NANOTECHNOLOGY
V. Puneeth, S. Manjunatha, B. J. Gireesha, R. Gorla
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引用次数: 12

摘要

研究了含陀螺定向微生物的卡森纳米流体沿垂直拉伸片的三维生物对流的感应磁场。这些微生物的运动引起生物对流,它们作为生物活性混合器,有助于稳定悬浮液中的纳米颗粒。热泳动和布朗运动两种力与斯蒂芬吹气一起被纳入数学模型。使用相似变换将所得模型转换为常微分方程,并使用RKF−45方法求解。速度、感应磁场、温度、纳米粒子浓度和运动密度曲线用图形解释。观察到,卡森参数降低了流速,增强了温度、浓度和运动密度分布,还注意到吹气增强了纳米流体分布,而吸力减弱了纳米流体分布。另一方面,热泳动和布朗运动使热传导率提高。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Magneto convective flow of casson nanofluid due to Stefan blowing in the presence of bio-active mixers
The induced magnetic field for three-dimensional bio-convective flow of Casson nanofluid containing gyrotactic microorganisms along a vertical stretching sheet is investigated. The movement of these microorganisms cause bioconvection and they act as bio-active mixers that help in stabilising the nanoparticles in the suspension. The two forces, Thermophoresis and Brownian motion are incorporated in the Mathematical model along with Stefan blowing. The resulting model is transformed to ordinary differential equations using similarity transformations and are solved using RKF − 45 method. The Velocity, Induced Magnetic field, Temperature, Concentration of Nanoparticles, and Motile density profiles are interpreted graphically. It is observed that the Casson parameter decreases the flow velocity and enhances the temperature, concentration, and motile density profiles and also it is noticed that the blowing enhances the nanofluid profiles whereas, suction diminishes the nanofluid profiles. On the other hand, it is perceived that the rate of heat conduction is enhanced with Thermophoresis and Brownian motion.
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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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