Chemically reactive magnetized flow of viscoplastic nanofluid through a vertical cone considering non-Darcy porous media

IF 5.1 2区工程技术 Q1 ENGINEERING, MULTIDISCIPLINARY

Engineering Science and Technology-An International Journal-Jestech Pub Date : 2024-10-18 DOI:10.1016/j.jestch.2024.101853

Xiaofang Zhao , Muhammad Nasir , Mawaheb Al-Dossari , M. Ashiq , M. Salman Kausar , M. Waqas , Sherzod Abdullaev

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引用次数: 0

Abstract

Recuperating heat transference effectiveness can be carried out effectively by escalating the thermal characteristics of working liquids. One realistic solution is the utilization of nanoliquids (liquids that comprise suspended nano-particles). These state-of-the-art liquids have the aptitude to function as a coolant (either as primary or emergency) in nuclear reactors, potentially enlarging overall thermal management. This investigation accounts cross diffusion impact in porous medium based chemically reacting viscoplastic nanoliquid confined by convectively heated magnetized impermeable rotating cone. Thermal transport characteristics are addressed by considering diffusion-thermo (Dufour), thermal generation, thermal-convective conditions and radiation. Concentration expression includes chemical reaction, thermal-diffusion (Soret) and solutal-convective conditions. The complicated nonlinear constitutive expressions, exhibited in their dimensional mathematical form are remodeled into highly nonlinear ODEs (ordinary differential expressions) by deploying apposite similarity variables. The dimensionless profiles are numerically computed utilizing bvp4c scheme and then elucidated arithmetically and graphically. Finally, it is scrutinized that nanoparticles concentration diminishes subject to escalating estimations of Lewis number, thermophoresis and chemical reaction variables while opposite characteristics are reported for increasing Brownian diffusive variables, solutal Biot and Soret numbers.

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考虑非达西多孔介质的粘性纳米流体在垂直锥体中的化学反应磁化流动

通过提高工作液体的热特性，可以有效地恢复热传递效率。一个现实的解决方案是利用纳米液体（由悬浮纳米颗粒组成的液体）。这些最先进的液体可用作核反应堆的冷却剂（初级或应急），从而有可能扩大整体热管理。本研究阐述了基于多孔介质的化学反应粘塑性纳米液体在对流加热的磁化防渗旋转锥体中的交叉扩散影响。通过考虑扩散-热流（Dufour）、热生成、热对流条件和辐射，研究了热传输特性。浓度表达式包括化学反应、热扩散（索雷特）和溶质对流条件。这些复杂的非线性结构表达式以其尺寸数学形式表现出来，通过使用适当的相似变量，被重塑为高度非线性的 ODE（常微分表达式）。利用 bvp4c 方案对无量纲剖面进行了数值计算，然后用算术和图形进行了阐释。最后，研究发现，纳米粒子的浓度会随着路易斯数、热泳和化学反应变量的增加而降低，而布朗扩散变量、溶质比奥特数和索雷特数的增加则会出现相反的特征。

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

Engineering Science and Technology-An International Journal-Jestech Materials Science-Electronic, Optical and Magnetic Materials

CiteScore

11.20

自引率

3.50%

发文量

153

审稿时长

22 days

期刊介绍： Engineering Science and Technology, an International Journal (JESTECH) (formerly Technology), a peer-reviewed quarterly engineering journal, publishes both theoretical and experimental high quality papers of permanent interest, not previously published in journals, in the field of engineering and applied science which aims to promote the theory and practice of technology and engineering. In addition to peer-reviewed original research papers, the Editorial Board welcomes original research reports, state-of-the-art reviews and communications in the broadly defined field of engineering science and technology. The scope of JESTECH includes a wide spectrum of subjects including: -Electrical/Electronics and Computer Engineering (Biomedical Engineering and Instrumentation; Coding, Cryptography, and Information Protection; Communications, Networks, Mobile Computing and Distributed Systems; Compilers and Operating Systems; Computer Architecture, Parallel Processing, and Dependability; Computer Vision and Robotics; Control Theory; Electromagnetic Waves, Microwave Techniques and Antennas; Embedded Systems; Integrated Circuits, VLSI Design, Testing, and CAD; Microelectromechanical Systems; Microelectronics, and Electronic Devices and Circuits; Power, Energy and Energy Conversion Systems; Signal, Image, and Speech Processing) -Mechanical and Civil Engineering (Automotive Technologies; Biomechanics; Construction Materials; Design and Manufacturing; Dynamics and Control; Energy Generation, Utilization, Conversion, and Storage; Fluid Mechanics and Hydraulics; Heat and Mass Transfer; Micro-Nano Sciences; Renewable and Sustainable Energy Technologies; Robotics and Mechatronics; Solid Mechanics and Structure; Thermal Sciences) -Metallurgical and Materials Engineering (Advanced Materials Science; Biomaterials; Ceramic and Inorgnanic Materials; Electronic-Magnetic Materials; Energy and Environment; Materials Characterizastion; Metallurgy; Polymers and Nanocomposites)