Parametric simulation of hybrid nanofluid flow consisting of cobalt ferrite nanoparticles with second-order slip and variable viscosity over an extending surface

IF 6.1 3区 材料科学 Q1 CHEMISTRY, MULTIDISCIPLINARY
Saqib Murtaza, P. Kumam, M. Bilal, T. Sutthibutpong, N. Rujisamphan, Zubair Ahmad
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引用次数: 12

Abstract

Abstract This study explores the unsteady hybrid nanofluid (NF) flow consisting of cobalt ferrite (CoFe2O4) and copper (Cu) nano particulates with natural convection flow due to an expanding surface implanted in a porous medium. The Cu and CoFe2O4 nanoparticles (NPs) are added to the base fluid water to synthesize the hybrid NF. The effects of second-order velocity slip condition, chemical reaction, heat absorption/generation, temperature-dependent viscosity, and Darcy Forchheimer are also assessed in the present analysis. An ordinary differential equation system is substituted for the modeled equations of the problem. Further computational processing of the differential equations is performed using the parametric continuation method. A validation and accuracy comparison are performed with the Matlab package BVP4C. Physical constraints are used for presenting and reviewing the outcomes. With the increase in second-order velocity slip condition and unsteady viscosity, the rates of heat and mass transition increase significantly with the variation in Cu and Fe2O4 NPs. The findings suggest that the uses of Cu and Fe2O4 in ordinary fluids might be useful in the aerodynamic extrusion of plastic sheets and extrusion of a polymer sheet from a dye.
具有二阶滑移和可变粘度的钴铁氧体纳米颗粒在延伸表面上混合纳米流体流动的参数模拟
摘要:本文研究了由钴铁氧体(CoFe2O4)和铜纳米颗粒组成的非定常混合纳米流体(NF)在多孔介质中注入膨胀表面后的自然对流流动。将Cu和CoFe2O4纳米粒子(NPs)添加到基液水中,合成了混合纳滤膜。在本分析中还评估了二阶速度滑移条件、化学反应、热吸收/产生、温度依赖性粘度和Darcy Forchheimer的影响。用常微分方程组代替问题的模型方程。采用参数延拓法对微分方程进行进一步的计算处理。利用Matlab软件包BVP4C进行了验证和精度比较。物理约束用于呈现和审查结果。随着二阶速度滑移条件和非定常粘度的增加,Cu和Fe2O4 NPs的变化显著增加了传热速率和质量转变速率。研究结果表明,在普通流体中使用Cu和Fe2O4可能有助于塑料片材的气动挤压和染料聚合物片材的挤压。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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来源期刊
Nanotechnology Reviews
Nanotechnology Reviews CHEMISTRY, MULTIDISCIPLINARY-NANOSCIENCE & NANOTECHNOLOGY
CiteScore
11.40
自引率
13.50%
发文量
137
审稿时长
7 weeks
期刊介绍: The bimonthly journal Nanotechnology Reviews provides a platform for scientists and engineers of all involved disciplines to exchange important recent research on fundamental as well as applied aspects. While expert reviews provide a state of the art assessment on a specific topic, research highlight contributions present most recent and novel findings. In addition to technical contributions, Nanotechnology Reviews publishes articles on implications of nanotechnology for society, environment, education, intellectual property, industry, and politics.
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