纳米材料在非牛顿液体流向可拉伸表面过程中的研究

IF 16.4 1区 化学 Q1 CHEMISTRY, MULTIDISCIPLINARY
Lamia Abu El Maati, M. Ijaz Khan, Shaimaa A. M. Abdelmohsen, Badriah M. Alotaibi
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引用次数: 0

摘要

这篇文章介绍了受浮力驱动的电-磁-流体力学微极纳米材料流与运动微生物之间的关系。流动是通过拉伸表面产生的,能量关系包括热源产生、磁流体力学和辐射。研究还考虑了布昂尼奥尔诺纳米材料模型(包括热扩散和布朗扩散)以及化学反应和生物对流方面的问题。非线性控制表达式被转换为无量纲系统,并使用数值微分求解方案计算无量纲表达式。通过图形分析,研究了液体流动、微浮速度、微生物浓度和温度与次要变量的关系。结果表明,哈特曼数越高,对温度和速度曲线的影响就越大。物质变量的增加导致微气浮速度的下降。温度通过辐射得到提高。浓度在热泳因素和随机因素中显示出相互矛盾的趋势。运动微生物的存在降低了生物对流的路易斯数和佩克莱特数。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Investigation of nanomaterials in flow of non-Newtonian liquid toward a stretchable surface
This article features the buoyancy-driven electro-magnetohydrodynamic micropolar nanomaterial flow subjected to motile microorganisms. The flow is engendered via an elongating surface, and the energy relation includes heat source generation, magnetohydrodynamics, and radiation. A Buongiorno nanomaterial model (which includes thermophoretic and Brownian diffusions) together with chemical reaction and bioconvection aspects is pondered. The nonlinear governing expressions are transfigured into a dimensionless system, and the dimensionless expressions are computed using the numerical differential-solve scheme. Graphical analyses are conducted to examine the liquid flow, microrotation velocity, microorganism concentration, and temperature in relation to secondary variables. It is observed that a higher Hartman number has an opposite influence on temperature and velocity profiles. A rise in material variables engenders a decline in microrotation velocity. The temperature is enhanced through radiation. The concentration shows conflicting trends for both thermophoretic and random factors. The presence of motile microorganisms reduces the bioconvection Lewis and Peclet numbers.
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来源期刊
Accounts of Chemical Research
Accounts of Chemical Research 化学-化学综合
CiteScore
31.40
自引率
1.10%
发文量
312
审稿时长
2 months
期刊介绍: Accounts of Chemical Research presents short, concise and critical articles offering easy-to-read overviews of basic research and applications in all areas of chemistry and biochemistry. These short reviews focus on research from the author’s own laboratory and are designed to teach the reader about a research project. In addition, Accounts of Chemical Research publishes commentaries that give an informed opinion on a current research problem. Special Issues online are devoted to a single topic of unusual activity and significance. Accounts of Chemical Research replaces the traditional article abstract with an article "Conspectus." These entries synopsize the research affording the reader a closer look at the content and significance of an article. Through this provision of a more detailed description of the article contents, the Conspectus enhances the article's discoverability by search engines and the exposure for the research.
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