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Shape factor analysis of a magnetohydrodynamics mixed convective Nimonic 80A/water nanofluid flow over a moving wedge in the presence of thermal radiation
Proceedings of the Institution of Mechanical Engineers, Part E: Journal of Process Mechanical Engineering ( IF 2.4 ) Pub Date : 2024-03-26 , DOI: 10.1177/09544089241239595
Anomitra Chakraborty 1 , Pranitha Janapatla 1
Affiliation  

One of the most common problems faced in the industries is the lack of proper heat energy and temperature distribution management systems. The study of the effects of thermal radiation and magnetohydrodynamics on a water-based nanofluid flow with various shapes of the nanoparticle Nimonic 80A, over a moving wedge, is yet to be studied by any researcher. Being a superalloy of nickel–iron–chromium, Nimonic 80A is often used in exhaust systems and chemical plants as an anti-corrosive agent. The mathematical model presented in this article was transformed using similarity transformations and solved using MATLAB bvp4c code. All the results and graphs were formulated after a positive outcome of our results with that available in the existing literature. Increases in velocity and temperature were observed with the increase in empirical shape factors of the nanoparticle for various parameters. Local Nusselt number and skin-friction coefficients decreased under the influence of augmenting shape factors of the nanoparticles. The velocity profile decreased at a rate of 1.5% while the temperature profile augmented by 0.24% for an augmenting magnetic parameter from M = 0.6 to 0.8 while the velocity profile increased for an increase in radiation parameter. An increment in the nanoparticle concentration resulted in incrementing streamline values and skin friction coefficient by 0.38% and 6.83%, respectively.

中文翻译:

存在热辐射的情况下移动楔上的磁流体动力学混合对流 Nimonic 80A/水纳米流体的形状因子分析

该行业面临的最常见问题之一是缺乏适当的热能和温度分布管理系统。热辐射和磁流体动力学对具有各种形状的纳米颗粒 Nimonic 80A 的水基纳米流体流在移动楔上的影响的研究还有待任何研究人员进行研究。 Nimonic 80A 是一种镍-铁-铬高温合金,通常在排气系统和化工厂中用作防腐剂。本文提出的数学模型使用相似变换进行变换,并使用 MATLAB bvp4c 代码进行求解。所有结果和图表都是在我们的结果与现有文献中提供的结果取得积极结果后制定的。随着纳米颗粒各种参数的经验形状因子的增加,观察到速度和温度的增加。在纳米粒子形状因子增加的影响下,局部努塞尔数和皮肤摩擦系数降低。当磁参数从 M = 0.6 增加到 0.8 时,速度分布以 1.5% 的速率下降,而温度分布则增加 0.24%,而速度分布则随着辐射参数的增加而增加。纳米颗粒浓度的增加导致流线值和表面摩擦系数分别增加 0.38% 和 6.83%。
更新日期:2024-03-26
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