Influence of radiative heat transfer on hybrid nanofluid across a curved surface with porous medium

IF 4 3区 工程技术 Q1 MATHEMATICS, INTERDISCIPLINARY APPLICATIONS
Roopa K.R., Dinesh P.A., Sweeti Yadav, Oluwole Daniel Makinde
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引用次数: 0

Abstract

Purpose

The purpose of this study is to examine how fluid flow and heat transfer are affected by the influence of hybrid nanofluids flowing across a stagnation zone of a stretching curved surface. Stagnation point flow has garnered considerable attention over the past few decades. This is because many technical applications, such as the cooling of nuclear reactors and rotating equipment divisions, rely on stagnation-point flow.

Design/methodology/approach

A thorough analysis is conducted of the impacts of several regulating parameters on fluid flow and thermal performance, including the radiation parameter, heat source parameter, mixed convection parameter, porosity parameter curvature and nanoparticle concentration. The laws governing the field of flow equations are transformed by similarity substitutions into two nonlinear ordinary differential equations, which are then solved numerically using Maple. The MR-Solve technique in the built-in Maple package was used. The MR-Solve technique was used to numerically solve highly coupled ordinary differential equation problems. This approach produced highly precise and consistent results. It also provides the best performance while using a minimum amount of CPU and the shortest phrases.

Findings

The main conclusions of this study show that axial velocity drops, while radial velocity increases as the mixed convection parameter increases. The rate of heat transmission and skin friction is higher for hybrid nanoparticles with volume fraction percentile (0.01–0.03) than for those with volume fraction percentile (0.1–0.3).

Research limitations/implications

Further research on this topic could examine a broader range of parameter values, suction/injection, entropy, mass equation, micropolar fluid, ternary hybrid nanofluid and Newtonian heating flow on a curved stretching surface.

Practical implications

By investigating a novel physical design that combines the various effect with stagnation flow, this study adds value and offers insights and prospective improvements in the discipline of heat fluid mechanics. Mathematical modeling or experimental studies in a variety of multiphysical contexts can be used to achieve this. Heat exchangers, crystalline procedures, microelectronic machines, systems for conserving energy, integrating operations, food manufacturing, climate control, purification and other engineering domains can all benefit from the geometric configurations investigated in this study. The results of this study greatly aid in optimizing thermal performance in a variety of application domains. This study is novel because it compares several volume fraction percentiles.

Originality/value

A stretching curved surface’s stagnation zone is traversed by hybrid nanofluids, offering insights into how curvature affects heat transfer and fluid flow efficiency. The results aid in the design and improvement of the energy transfer efficiencies for a range of commercial and biological purposes. The results offer possibilities for increased efficiency in a range of applications by developing hybrid nanofluid flow control methods and helping to create ideal thermal systems.

多孔介质弯曲表面辐射传热对混合纳米流体的影响
本研究的目的是研究混合纳米流体流过拉伸曲面的滞止区对流体流动和传热的影响。在过去的几十年里,驻点流动已经引起了相当大的关注。这是因为许多技术应用,如核反应堆的冷却和旋转设备分区,都依赖于滞点流。设计/方法/途径深入分析了辐射参数、热源参数、混合对流参数、孔隙度参数曲率和纳米颗粒浓度等调节参数对流体流动和热学性能的影响。通过相似代入将流场方程的控制规律转化为两个非线性常微分方程,然后用Maple进行数值求解。使用内置Maple包中的MR-Solve技术。采用MR-Solve技术对高耦合常微分方程问题进行数值求解。这种方法产生了高度精确和一致的结果。它还可以在使用最少的CPU和最短的短语的情况下提供最佳性能。研究结果表明:随着混合对流参数的增大,轴向速度减小,径向速度增大;体积分数为0.01 ~ 0.03的杂化纳米颗粒传热速率和表面摩擦速率高于体积分数为0.1 ~ 0.3的杂化纳米颗粒。本课题的进一步研究可以研究更广泛的参数值、吸力/注入、熵、质量方程、微极流体、三元混合纳米流体和弯曲拉伸表面上的牛顿热流。通过研究一种新的物理设计,将各种效应与停滞流动结合起来,本研究增加了价值,并为热流体力学学科提供了见解和前瞻性的改进。数学建模或各种多物理环境下的实验研究可用于实现这一目标。热交换器,结晶程序,微电子机器,节能系统,集成操作,食品制造,气候控制,净化和其他工程领域都可以从本研究中调查的几何配置中受益。本研究的结果极大地有助于优化各种应用领域的热性能。这项研究是新颖的,因为它比较了几个体积分数百分位数。原创/价值混合纳米流体穿过拉伸曲面的停滞区,为曲率如何影响传热和流体流动效率提供了见解。该结果有助于设计和改进能量转移效率,用于一系列商业和生物目的。通过开发混合纳米流体流动控制方法,并帮助创建理想的热系统,该结果为提高一系列应用的效率提供了可能性。
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
CiteScore
9.50
自引率
11.90%
发文量
100
审稿时长
6-12 weeks
期刊介绍: The main objective of this international journal is to provide applied mathematicians, engineers and scientists engaged in computer-aided design and research in computational heat transfer and fluid dynamics, whether in academic institutions of industry, with timely and accessible information on the development, refinement and application of computer-based numerical techniques for solving problems in heat and fluid flow. - See more at: http://emeraldgrouppublishing.com/products/journals/journals.htm?id=hff#sthash.Kf80GRt8.dpuf
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