Fractional modeling of bioconvection in Jeffrey nanofluids with gyrotactic organisms

IF 2.1 4区 环境科学与生态学 Q3 ENGINEERING, CHEMICAL
Shajar Abbas, Syeda Farzeen Fatima Gilani, Mudassar Nazar, Ahmed Sayed M. Metwally, Zaib Un Nisa, Nizomiddin Juraev
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Abstract

The current study examines how mass and heat transfer affect mobility of Jeffrey fluid while taking sun radiation across the vertical plate into account. In the polyvinyl alcohol water base fluid, the study combines gyrotactic organisms with copper nanoparticles. Microorganisms classified as gyrotactic respond to gravitational and viscous forces by swimming and orienting themselves, which results in the formation of patterns known as bioconvection, which is the result of the collective movement of these microorganisms. The main goals are to address the growing uses of solar plates by creating a unique mathematical model for flow and thermal properties of the parabolic trough solar collector (PTSC) installed on solar panel. Sunlight is directed onto a single focal line by curved mirrors in PTSCs, which heat the fluid moving over the plate at this focused line. The momentum, heat, and mass equations are solved by the model using Fourier and Fick's laws. The Laplace transform is then used to convert the solution sets into dimensionless Partial differential equation (PDE) for the velocity, energy, and mass fields. The innovative aspect of this model is its in-depth examination of non-Newtonian nanofluids, which are boosted by the addition of gyrotactic organisms and copper nanoparticles to increase heat transfer efficiency. The impacts of several factors on flow characteristics, including the Lewis number, mass Grashof number, Grashof number for bioconvection, magnetic and electric parameters, Peclet number, chemical reaction parameter, and Prandtl number, are shown graphically. Increasing the radiation parameters and volume fraction results in a noticeable improvement in the temperature profile. By demonstrating the superior heat transfer capabilities of non-Newtonian nanofluids in solar energy applications, this work advances the field. It is particularly relevant to microchip cooling, solar energy systems, and thermal energy systems. In summary, the work provides a comprehensive model that advances our understanding of heat and mass transfer in non-Newtonian nanofluids that are exposed to ambient sunlight. In the future, the model will be employed in real solar energy systems to confirm its effectiveness. The findings have applications in the development of temperature control technology and solar energy systems that are more effective.

杰弗里纳米流体中回旋生物对流的分式建模
目前的研究考察了质量和传热如何影响杰弗里流体的流动性,同时考虑了垂直板上的太阳辐射。在聚乙烯醇水基流体中,该研究将回旋生物与铜纳米颗粒结合在一起。被归类为回旋战术的微生物通过游动和定位自己来响应重力和粘性力,这导致形成称为生物对流的模式,这是这些微生物集体运动的结果。主要目标是通过创建安装在太阳能电池板上的抛物槽太阳能集热器(PTSC)的流动和热特性的独特数学模型来解决太阳能板日益增长的用途。通过PTSCs中的弯曲镜面,阳光被引导到一条聚焦线上,在聚焦线上加热在平板上移动的流体。动量、热量和质量方程由该模型利用傅里叶定律和菲克定律求解。然后用拉普拉斯变换将解集转化为速度场、能量场和质量场的无量纲偏微分方程(PDE)。该模型的创新之处在于其对非牛顿纳米流体的深入研究,该模型通过添加回旋生物和铜纳米颗粒来提高传热效率。以图形显示了Lewis数、质量Grashof数、生物对流Grashof数、磁电参数、Peclet数、化学反应参数和Prandtl数等因素对流动特性的影响。增加辐射参数和体积分数可以显著改善温度分布。通过证明非牛顿纳米流体在太阳能应用中的优越传热能力,这项工作推动了该领域的发展。它与微芯片冷却、太阳能系统和热能系统特别相关。总之,这项工作提供了一个全面的模型,促进了我们对暴露在环境阳光下的非牛顿纳米流体中的传热和传质的理解。在未来,该模型将被应用于实际的太阳能系统中,以验证其有效性。这一发现可以应用于更有效的温度控制技术和太阳能系统的开发。
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
Environmental Progress & Sustainable Energy
Environmental Progress & Sustainable Energy 环境科学-工程:化工
CiteScore
5.00
自引率
3.60%
发文量
231
审稿时长
4.3 months
期刊介绍: Environmental Progress , a quarterly publication of the American Institute of Chemical Engineers, reports on critical issues like remediation and treatment of solid or aqueous wastes, air pollution, sustainability, and sustainable energy. Each issue helps chemical engineers (and those in related fields) stay on top of technological advances in all areas associated with the environment through feature articles, updates, book and software reviews, and editorials.
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