Significance of Lorentz Force and Thermoelectric on the Flow of 29 nm CuO-Water Nanofluid on an Upper Horizontal Surface of a Paraboloid of Revolution

I. L. Animasaun; B. Mahanthesh; A. O. Jagun; T. D. Bankole; R. Sivaraj; Nehad Ali Shah; S. Saleem

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Significance of Lorentz Force and Thermoelectric on the Flow of 29 nm CuO-Water Nanofluid on an Upper Horizontal Surface of a Paraboloid of Revolution

机译：洛仑兹力和热电对旋转抛物面上水平表面上29 nm CuO-水纳米流体流动的意义

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Combination of electric and magnetic forces on charged molecules of flowing fluid in the presence of a significant electromagnetic fields on surfaces with a nonuniform thickness (as in the case of upper pointed surface of an aircraft and bonnet of a car which are examples of upper horizontal surfaces of a paraboloid of revolution—uhspr) is inevitable. In this study, the influence of imposed magnetic field and Hall effects on the flow of 29 nm CuO–water nanofluid over such object is presented. Suitable similarity variables were employed to nondimensionalize and parameterize the dimensional governing equation. The numerical solutions of the corresponding boundary value problem were obtained using Runge–Kutta fourth-order integration scheme along with shooting technique. The domain of cross-flow velocity can be highly suppressed when the magnitude of imposed magnetic strength and that of Hall parameter are large. A significant increase in the cross-flow velocity gradient near an upper horizontal surface of the paraboloid of revolution is guaranteed with an increase in the Hall parameter. Enhancement of temperature distribution across the flow is apparent due to an increase in the volume fraction.

机译：在厚度不均匀的表面上存在大量电磁场的情况下，在流动流体的带电分子上的电磁力组合（例如，飞机的上指尖表面和汽车的发动机罩是上水平表面的示例）革命的抛物线（uhspr）是不可避免的。在这项研究中，提出了施加磁场和霍尔效应对29 nm CuO-水纳米流体在此类物体上流动的影响。使用适当的相似性变量对尺寸控制方程进行无量纲化和参数化。使用Runge-Kutta四阶积分方案以及射击技术获得了相应边值问题的数值解。当施加的磁场强度的大小和霍尔参数的大小较大时，可以极大地抑制横流速度的范围。随着霍尔参数的增加，可以保证旋转抛物面的上水平表面附近的横流速度梯度显着增加。由于体积分数的增加，整个流的温度分布的增强是明显的。

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来源
《Journal of Heat Transfer》 |2019年第2期|022402.1-022402.9|共9页
作者
I. L. Animasaun; B. Mahanthesh; A. O. Jagun; T. D. Bankole; R. Sivaraj; Nehad Ali Shah; S. Saleem;
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作者单位

Department of Mathematical Sciences,Federal University of Technology;

Department of Mathematics,Christ University;

Department of Mathematical Sciences,Federal University of Technology;

Department of Mathematical Sciences,Federal University of Technology;

Department of Mathematics,Vellore Institute of Technology University;

Abdus Salam School of Mathematical Sciences,GC University;

Department of Mathematics,College of Sciences,King Khalid University;

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收录信息美国《科学引文索引》(SCI);美国《工程索引》(EI);
原文格式 PDF
正文语种 eng
中图分类
关键词
Flow (Dynamics); Nanofluids; Water; Cross-flow; Hall effect; Magnetic fields;

机译：流动（动力学）;纳米流体;水;错流;霍尔效应;磁场;

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2. Numerical Exploration of Heat Transfer and Lorentz Force Effects on the Flow of MHD Casson Fluid over an Upper Horizontal Surface of a Thermally Stratified Melting Surface of a Paraboloid of Revolution [J] . Makinde O. D., Sandeep N., Ajayi T. M., International journal of nonlinear sciences and numerical simulation . 2018,第2期

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4. PHE Heat Transfer Performance Using 29nm CuO-Water Nanofluid [C] . M. TAWS, C. T. NGUYEN, N. GALANIS, International Conference on Applied and Theoretical Mechanics . 2014

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5. Observations and models of upper ocean response to atmospheric forcing: Wind-driven flow, surface heating and near-inertial internal wave interactions with mesoscale currents. [D] . Lee, Craig Michael. 1995

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6. Second Law Analysis of Dissipative Nanofluid Flow over a Curved Surface in the Presence of Lorentz Force: Utilization of the Chebyshev–Gauss–Lobatto Spectral Method [O] . Muhammad Idrees Afridi, Muhammad Qasim, Abderrahim Wakif, 2019

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7. 47nm alumina–water nanofluid flow within boundary layer formed on upper horizontal surface of paraboloid of revolution in the presence of quartic autocatalysis chemical reaction [O] . Isaac Lare Animasaun 2016

机译：在四次自催化化学反应存在下，在旋转抛物面的上水平面上形成的边界层内的47nm氧化铝 - 水纳米流体流动

Significance of Lorentz Force and Thermoelectric on the Flow of 29 nm CuO-Water Nanofluid on an Upper Horizontal Surface of a Paraboloid of Revolution

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