Numerical Simulations of Chemically Dissipative MHD Mixed Convective Non-Newtonian Nanofluid Stagnation Point Flow over an Inclined Stretching Sheet with Thermal Radiation Effects

Q2 Mathematics CFD Letters Pub Date : 2024-01-11 DOI:10.37934/cfdl.16.5.3758
Gopinathan Sumathi Mini, Prathi Vijaya Kumar, Mohammed Ibrahim Shaik
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Abstract

The study of non-Newtonian nanofluid stagnation point flow over an inclined stretching sheet with thermal radiation effects aims to understand how the fluid's non-Newtonian behavior, nanoparticles, the inclined sheet, and thermal radiation affect velocity profiles, temperature distribution, shear stress, and heat transfer rates. It might be used in materials processing, chemical engineering, and energy systems, where understanding fluid behavior in complicated settings is essential for process optimization and system efficiency. The flow problem is reflected in a set of partial differential equations (PDEs) that serve as the governing equations. After appropriate reformatting into Ordinary Differential Equations (ODEs). Mathematica's NDSolve technique is implemented to do a numerical treatment of the dimensionless equations once they have been translated. The upsides of this strategy lie in its ability to automatically track errors and select the best algorithm. Various dimensionless parameters effects on velocity, temperature, and nanoparticle concentration have been studied, and the results are graphically shown. These include the Casson parameter, Brownian motion and thermophoresis, chemical reaction parameter, thermal radiation, viscous dissipation, and mixed convection parameter. The Casson parameter slows down the velocity and speeds up the distributions of temperature and concentration. The skin friction coefficient increases rapidly with increasing tilt and thermophoretic impact amplitudes. The insights were cross-referenced with previous inquiries in order to validate their veracity. All indications are that it complies rigorously and is highly accurate.
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具有热辐射效应的倾斜拉伸片上化学耗散 MHD 混合对流非牛顿纳米流体停滞点流动的数值模拟
研究具有热辐射效应的倾斜拉伸片上的非牛顿纳米流体停滞点流动,旨在了解流体的非牛顿行为、纳米颗粒、倾斜片和热辐射如何影响速度曲线、温度分布、剪应力和传热速率。它可用于材料加工、化学工程和能源系统,在这些领域,了解复杂环境中的流体行为对于优化工艺和提高系统效率至关重要。流动问题反映在一组偏微分方程 (PDE) 中,这些偏微分方程是控制方程。经过适当重新格式化为常微分方程 (ODE)。一旦这些无量纲方程被转换,将使用 Mathematica 的 NDSolve 技术对其进行数值处理。这种策略的优点在于能够自动跟踪误差并选择最佳算法。研究了各种无量纲参数对速度、温度和纳米粒子浓度的影响,并以图表形式显示了结果。这些参数包括卡松参数、布朗运动和热泳、化学反应参数、热辐射、粘性耗散和混合对流参数。卡松参数减慢了速度,加快了温度和浓度的分布。表皮摩擦系数随着倾斜度和热泳冲击振幅的增加而迅速增大。这些见解与之前的研究进行了交叉对比,以验证其真实性。所有迹象都表明,它严谨合规,准确性极高。
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来源期刊
CFD Letters
CFD Letters Chemical Engineering-Fluid Flow and Transfer Processes
CiteScore
3.40
自引率
0.00%
发文量
76
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