化学反应性奥尔德罗伊德-B 液体在对流加热的弹性表面上的生物对流增强斜运动

IF 1.6 4区 物理与天体物理 Q2 PHYSICS, MULTIDISCIPLINARY
Kotha Gangadhar, S. Venkata Krishna Sarma, M. Venkata Subba Rao, Abderrahim Wakif
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引用次数: 0

摘要

本研究的重点是调查生物对流的应用,揭示其对环境友好型和可持续 "绿色 "燃料电池技术的重要影响。在此背景下,本研究为进一步探索有回转微生物存在的 Oldroyd-B 流体模型铺平了道路。分析深入研究了 Oldroyd-B 流体与陀螺触动微生物的混合对流,探索了弹性表面和磁场相互作用的影响。值得注意的是,研究考虑了化学反应过程、对流加热和热辐射的影响,加深了我们对这些复杂现象的理解。通过适当的转换方法,使用非线性全系统常微分方程对运动、动量、质量和能量的二维支配方程进行了归一化处理。使用 bvp4c 方法得到了这一复杂物理问题的解决方案,并通过与之前文献报道的结果进行比较,确认了其有效性。研究表明,较高的孔隙率和磁性参数会对速度曲线产生显著影响。同时,温度曲线得到改善,布朗扩散和辐射变量增强了热场。此外,佩克莱特数会影响微生物的密度。此外,在辐射和非辐射情况下,热泳的增加会显著降低壁面传热率。
本文章由计算机程序翻译,如有差异,请以英文原文为准。

Bioconvection-enhanced oblique motion of chemically reactive Oldroyd-B liquid over a convectively heated elastic surface

Bioconvection-enhanced oblique motion of chemically reactive Oldroyd-B liquid over a convectively heated elastic surface

The present study focuses on the investigation of bioconvection applications, shedding light on the significant implications for environmentally friendly and sustainable ‘green’ fuel cell technologies. In this context, the study paves the way for further exploration of the Oldroyd-B fluid model in the presence of gyrotactic microorganisms. The analysis delves into the mixed convection of the Oldroyd-B fluid with gyrotactic microorganisms, exploring the effects of an elastic surface and magnetic field interactions. Notably, the study considers the influence of chemical reaction processes, convective heating, and thermal radiation, enhancing our understanding of these complex phenomena. The governing two-dimensional equations for motion, momentum, mass, and energy were normalized using nonlinear system-wide ordinary differential equations through appropriate transformation methods. The resulting solution for this intricate physical problem was obtained using the bvp4c method, and its validity was confirmed by comparing it with previously reported findings in the literature. The study indicates that higher porosity and magnetic parameters significantly influence velocity profiles. Meanwhile, the temperature profile improves, and the thermal field is enhanced by Brownian diffusion and radiation variables. Additionally, the Peclet number affects the density of microorganisms. Furthermore, an increase in thermophoresis significantly reduces the wall heat transfer rate for both radiation and non-radiation cases.

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来源期刊
Indian Journal of Physics
Indian Journal of Physics 物理-物理:综合
CiteScore
3.40
自引率
10.00%
发文量
275
审稿时长
3-8 weeks
期刊介绍: Indian Journal of Physics is a monthly research journal in English published by the Indian Association for the Cultivation of Sciences in collaboration with the Indian Physical Society. The journal publishes refereed papers covering current research in Physics in the following category: Astrophysics, Atmospheric and Space physics; Atomic & Molecular Physics; Biophysics; Condensed Matter & Materials Physics; General & Interdisciplinary Physics; Nonlinear dynamics & Complex Systems; Nuclear Physics; Optics and Spectroscopy; Particle Physics; Plasma Physics; Relativity & Cosmology; Statistical Physics.
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