具有里加板和变热物性的辐射卡森三粒子纳米流体的传热研究

IF 5.45 Q1 Physics and Astronomy

Nano-Structures & Nano-Objects Pub Date : 2025-05-01 DOI:10.1016/j.nanoso.2025.101486

O. Adebisi , O.A. Ajala , A.O. Akindele , I.O. Okunade , A.D. Ohaegbue , A.A. Yahaya

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引用次数: 0

摘要

由于日益增长的工业需求和降低电力价格和使用量的愿望，研究人员正在寻找更有效的方法来利用混合纳米流体（HNF）来利用太阳能。然而，太阳辐射是光伏电池和太阳能供电系统有效运行所必需的。因此，本研究考虑了太阳辐射和可变热物性对多孔板中Casson HNF流动的综合影响。利用相似变换将控制偏微分方程转化为无量纲常微分方程。在MATHEMATICA 11.3软件的帮助下，利用Chebyshev搭配法（Chebyshev matching Method， CCM）求解ode，以实现模型的目标。结果表明，三颗粒纳米流体（TPNFs）的热效率远高于单颗粒纳米流体（SPNFs）和双颗粒纳米流体（DPNFs）。结果还表明，较高的热辐射和磁参数大大改善了热分散，为最大化太阳能发电系统的效率提供了重要信息。

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Investigation of heat transfer in a radiative Casson triple particle nanofluid flow with Riga plate and variable thermo-physical characteristics

Researchers are looking into more effective ways to employ solar energy with hybrid nanofluids (HNF) due to growing industrial requirements and the desire to reduce electrical energy prices and usage. However, solar radiation is necessary for photovoltaic cells and solar-powered systems to operate effectively. Therefore, the combined effect of solar radiation and variable thermo-physical properties on Casson HNF flow through a porous plate with a modified magnetic field was considered in this study. The governing partial differential equations (PDEs) were converted to non-dimensional ordinary differential equations (ODEs) by the application of similarity transformations. With the help of MATHEMATICA 11.3 software, the Chebyshev Collocation Method (CCM) was utilized to solve the ODEs in order to accomplish the model's objectives. The results showed that triple particle nanofluids (TPNFs) had a much higher thermal efficiency than both single (SPNFs) and double particle nanofluids (DPNFs). Also the results demonstrate that higher thermal radiation and magnetic parameter greatly improve heat dispersion, providing important information for maximizing the efficiency of solar power systems.

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来源期刊

Nano-Structures & Nano-Objects Physics and Astronomy-Condensed Matter Physics

CiteScore

9.20

自引率

0.00%

发文量

审稿时长

22 days

期刊介绍： Nano-Structures & Nano-Objects is a new journal devoted to all aspects of the synthesis and the properties of this new flourishing domain. The journal is devoted to novel architectures at the nano-level with an emphasis on new synthesis and characterization methods. The journal is focused on the objects rather than on their applications. However, the research for new applications of original nano-structures & nano-objects in various fields such as nano-electronics, energy conversion, catalysis, drug delivery and nano-medicine is also welcome. The scope of Nano-Structures & Nano-Objects involves: -Metal and alloy nanoparticles with complex nanostructures such as shape control, core-shell and dumbells -Oxide nanoparticles and nanostructures, with complex oxide/metal, oxide/surface and oxide /organic interfaces -Inorganic semi-conducting nanoparticles (quantum dots) with an emphasis on new phases, structures, shapes and complexity -Nanostructures involving molecular inorganic species such as nanoparticles of coordination compounds, molecular magnets, spin transition nanoparticles etc. or organic nano-objects, in particular for molecular electronics -Nanostructured materials such as nano-MOFs and nano-zeolites -Hetero-junctions between molecules and nano-objects, between different nano-objects & nanostructures or between nano-objects & nanostructures and surfaces -Methods of characterization specific of the nano size or adapted for the nano size such as X-ray and neutron scattering, light scattering, NMR, Raman, Plasmonics, near field microscopies, various TEM and SEM techniques, magnetic studies, etc .