An irreversible process and radial stagnation-point motion of tetra-hybrid nanoparticles on twisting cylinder via finite element analysis

IF 2.1 4区材料科学 Q2 MATERIALS SCIENCE, CHARACTERIZATION & TESTING

Mechanics of Time-Dependent Materials Pub Date : 2024-07-25 DOI:10.1007/s11043-024-09729-w

Muhammad Sohail, Umar Nazir, Ahmed Fouly, Emad Mahrous Awwad, Muhammad Jahangir Khan

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Abstract

Many industrial processes contain the utilization of nanoparticles to improve the thermal performance of the physical systems. This research discusses the utilization of nanoparticles and thermal transport phenomenon in a stretched cylinder. The contribution of convective boundary constraints and thermal radiation is taken in heat transfer-modeled equations with an external heating source. The flow-modeled equations have been derived in Cartesian coordinates in the rotating frame. The set of nonlinear-coupled PDEs (partial differential equations) are obtained for the considered model in the simplified form by engaging boundary layer theory. Afterward, a set of ODEs (ordinary differential equations) was obtained by utilization of similarity transformation. The modeled equations are dealt with numerically via the finite element approach. The solution is displayed graphically against different emerging parameters. It is recorded that the production of the entropy mechanism generated by tetra-hybrid nanofluid is higher than the production of the entropy mechanism generated by ternary hybrid nanofluid.

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通过有限元分析四杂化纳米粒子在扭曲圆柱体上的不可逆过程和径向停滞点运动

许多工业流程都包含利用纳米粒子来改善物理系统的热性能。本研究讨论了纳米粒子的利用和拉伸圆柱体中的热传输现象。在外部加热源的传热模型方程中，考虑了对流边界约束和热辐射的贡献。流动模型方程是在旋转框架中以笛卡尔坐标推导出来的。通过边界层理论，以简化形式获得了所考虑模型的非线性耦合 PDE（偏微分方程）集。然后，利用相似性变换得到一组 ODE（常微分方程）。通过有限元方法对模型方程进行数值处理。根据不同的新出现参数，以图形方式显示了解决方案。根据记录，四元混合纳米流体产生的熵机理高于三元混合纳米流体产生的熵机理。

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

Mechanics of Time-Dependent Materials 工程技术-材料科学：表征与测试

CiteScore

4.90

自引率

8.00%

发文量

审稿时长

>12 weeks

期刊介绍： Mechanics of Time-Dependent Materials accepts contributions dealing with the time-dependent mechanical properties of solid polymers, metals, ceramics, concrete, wood, or their composites. It is recognized that certain materials can be in the melt state as function of temperature and/or pressure. Contributions concerned with fundamental issues relating to processing and melt-to-solid transition behaviour are welcome, as are contributions addressing time-dependent failure and fracture phenomena. Manuscripts addressing environmental issues will be considered if they relate to time-dependent mechanical properties. The journal promotes the transfer of knowledge between various disciplines that deal with the properties of time-dependent solid materials but approach these from different angles. Among these disciplines are: Mechanical Engineering, Aerospace Engineering, Chemical Engineering, Rheology, Materials Science, Polymer Physics, Design, and others.