Analysis of Stagnation Flow Characteristics in Hybrid Nanofluid Impingement: Velocity Slip, Convective Heat Transfer and Varied Inclination Angles

IF 2.9 4区综合性期刊 Q1 Multidisciplinary

Arabian Journal for Science and Engineering Pub Date : 2024-04-03 DOI:10.1007/s13369-024-08965-z

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引用次数: 0

Abstract

This study has been done to investigate the behavior of water-based hybrid nanofluid impinges on a stretching sheet at arbitrary inclination angles. The velocity slip and convective heat transfer are considered at the sheet’s surface. This problem formulation consists of Al \(_2\) O \(_3\) and Cu as nanoparticles with water as a base fluid. Some scaling variables are used for constructing ordinary differential equations from partial differential equations. The resulting equations are solved using bvp4c fourth-order boundary value solver in MATLAB. Graphical representations of the fluctuations in velocity, temperature, Nusselt number, and shear stress components are shown with important physical parameters. The variation in Nusselt number and shear stress components are displayed for different impinging angles of the fluid. When inclined angles are increased from \(15^\circ \) to \(60^\circ \) along with a change in the Biot number from 1 to 4, the rate of heat transmission grows from 6.15% to near 10%. Additionally, under the same angle elevation, the Nusselt number increases from 5.8% to 12.56% when the slip parameter’s value is increased from 1 to 4.

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混合纳米流体撞击中的停滞流特性分析：速度滑移、对流传热和不同倾角

摘要本研究旨在探讨水基混合纳米流体以任意倾角撞击拉伸片的行为。考虑了片面上的速度滑移和对流换热。这个问题的表述由 Al （_2）O （_3）和 Cu 作为纳米颗粒，水作为基础流体组成。一些比例变量用于从偏微分方程构建常微分方程。使用 MATLAB 中的 bvp4c 四阶边界值求解器求解得到的方程。速度、温度、努塞尔特数和剪应力成分的波动图示与重要的物理参数一起显示。图中显示了流体在不同撞击角度下的努塞尔特数和剪应力分量的变化。当倾斜角度从（15^\circ \）增加到（60^\circ \），同时比奥特数从 1 变为 4 时，热传导率从 6.15% 增长到接近 10%。此外，在相同的仰角条件下，当滑移参数值从 1 增加到 4 时，努塞尔特数从 5.8% 增加到 12.56%。

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

Arabian Journal for Science and Engineering 综合性期刊-综合性期刊

CiteScore

5.20

自引率

3.40%

发文量

审稿时长

4.3 months

期刊介绍： King Fahd University of Petroleum & Minerals (KFUPM) partnered with Springer to publish the Arabian Journal for Science and Engineering (AJSE). AJSE, which has been published by KFUPM since 1975, is a recognized national, regional and international journal that provides a great opportunity for the dissemination of research advances from the Kingdom of Saudi Arabia, MENA and the world.