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水基纳米颗粒中热生成、热辐射和热传输的数值模拟:同伦分析方法研究

Numerical simulations of heat generation, thermal radiation and thermal transport in water-based nanoparticles: OHAM study.

作者信息

Waseem Farwa, Sohail Muhammad, Lone Showkat Ahmad, Chambashi Gilbert

机构信息

Department of Mathematics, Khwaja Fareed University of Engineering and Information Technology, Rahim Yar Khan, 64200, Pakistan.

Department of Basic Sciences, College of Science and Theoretical Studies, Saudi Electronic University, Riyadh, 11673, Saudi Arabia.

出版信息

Sci Rep. 2023 Sep 20;13(1):15650. doi: 10.1038/s41598-023-42582-4.

Abstract

This study investigates the 3D flow properties and heat transfer of copper, titanium/ water nanofluids across a bidirectional surface under the impact of MHD. The thermophysical features of nanofluid are employed using the Tiwari and Das model. Boundary layer theory has simplified the resulting physical principles. By using the proper transformations, the complicated sets of connected PDEs have evolved into ODEs. Equations that have been modify by using OHAM. For various dimensionless component ranges between [Formula: see text].[Formula: see text], [Formula: see text], [Formula: see text], [Formula: see text], and [Formula: see text] the results are investigated computationally and graphically. It is observed that fluid parameters improve; they react differently from temperature and velocity profile. Additionally, thermal profiles decrease in comparison to greater Eckert and Prandtl numbers.

摘要

本研究调查了磁流体动力学(MHD)影响下铜、钛/水纳米流体在双向表面上的三维流动特性和传热情况。纳米流体的热物理特性采用蒂瓦里和达斯模型。边界层理论简化了所得的物理原理。通过适当的变换,复杂的联立偏微分方程组(PDEs)演变成了常微分方程(ODEs)。使用同伦分析方法(OHAM)对这些方程进行了修正。对于[公式:见原文]、[公式:见原文]、[公式:见原文]、[公式:见原文]和[公式:见原文]之间的各种无量纲参数范围,对结果进行了计算和图形研究。观察到流体参数有所改善;它们与温度和速度分布的反应不同。此外,与较大的埃克特数和普朗特数相比,热分布有所降低。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4f40/10511453/a8fbc2c85833/41598_2023_42582_Fig1_HTML.jpg

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