对流加热不对称结构下杂化纳米材料的蠕动

IF 3 3区 工程技术 Q2 CHEMISTRY, ANALYTICAL
T. Hayat, S. Amjad, Z. Nisar, A. Alsaedi
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引用次数: 0

摘要

为了改进工业热管理系统,必须预测和理解在各种物理环境和几何形状下的流体运动行为。此外,混合纳米流体的蠕动运动在温度控制、化学制造、环境工程和生物应用中是必不可少的。本文研究了混合纳米液体在非线性多孔介质中的蠕动输运。采用Darcy-Forchheimer定律来描述多孔介质的非线性性质和对流。在能量表达中考虑了耗散和热源/汇。采用铜(Cu)和银(Ag)纳米粒子。利用麦克斯韦导热关系探讨了杂化纳米材料的热特性。Brinkman黏度模型描述了单纳米材料和杂化纳米材料的黏度特性。施加对流边界约束。选择波长较大的无量纲系统。对方程组和边界条件进行了数值求解。用图形和条形图研究了流速、压力梯度、温度和传输率。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Peristalsis of hybrid nanomaterial in convectively heated asymmetric configuration

Behavior of progressive fluid motion under various physical circumstances and geometries must be predicted and understood to improve industrial thermal management systems. Furthermore, peristaltic motion of hybrid nanofluids is essential for temperature control, chemical manufacturing, environmental engineering and biological applications. The present research investigates peristaltic transport of hybrid nanoliquid within a nonlinear porous medium. Darcy–Forchheimer law is implemented to describe the nonlinear porous medium properties and convection. Dissipation and heat source/sink have been considered in energy expression. The copper (Cu) and silver (Ag) nanoparticles are taken. Maxwell thermal conductivity relation is used to explore the thermal features of hybrid nanomaterial. Brinkman viscosity model describes the viscous characteristics of mono and hybrid nanomaterials. Convective boundary constraints are imposed. Dimensionless systems for larger wavelength are chosen. System of equations and boundary conditions are numerically solved. Graphs and bar charts are drawn to study the velocity, pressure gradient, temperature and transfer rate.

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来源期刊
CiteScore
8.50
自引率
9.10%
发文量
577
审稿时长
3.8 months
期刊介绍: Journal of Thermal Analysis and Calorimetry is a fully peer reviewed journal publishing high quality papers covering all aspects of thermal analysis, calorimetry, and experimental thermodynamics. The journal publishes regular and special issues in twelve issues every year. The following types of papers are published: Original Research Papers, Short Communications, Reviews, Modern Instruments, Events and Book reviews. The subjects covered are: thermogravimetry, derivative thermogravimetry, differential thermal analysis, thermodilatometry, differential scanning calorimetry of all types, non-scanning calorimetry of all types, thermometry, evolved gas analysis, thermomechanical analysis, emanation thermal analysis, thermal conductivity, multiple techniques, and miscellaneous thermal methods (including the combination of the thermal method with various instrumental techniques), theory and instrumentation for thermal analysis and calorimetry.
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