化学反应纳米流体向多孔介质垂直锥流动的热扩散和扩散热效应

IF 2.7 Q3 NANOSCIENCE & NANOTECHNOLOGY
M. Sathyanarayana, T. R. Goud
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引用次数: 0

摘要

纳米粒子、化学反应和多孔介质都被用于这项研究,以观察热扩散和扩散热如何共同影响不混溶的液体,泥浆,而是将电流引向垂直锥体。这个问题有浓度方程和能量方程。这两个方程都存在热扩散和化学反应效应。它是通过利用对应变换将控制动态系统的优化算法转化为准代数计算来完成的,然后通过龙库塔方法进行统计求解,在结果和讨论部分有图表显示不同的工程因素如何影响速度,温度特征和浓度。此外,还讨论了Nu和Sh统计数据对皮肤摩擦量的影响,如表所示。通过将目前的结果与已发表的数据进行比较,我们可以看出它们是非常准确的。随布朗运动属性和热扩散属性的增加,边界层密度显著提高。确实值得注意的是,随着溶质浓度的增加,随着冷凝变量的增加,渗透深度下降。这是由于复合基因组分散随着温度升高而减少的原因。因此,与杜福尔数值有关的值升高,温度曲线也同样升高。可以看出,在布朗运动效应的情况下,膨胀增强了纳米流体强度弥散以及扩展了热扩散属性的反向效应。随着索瑞特数参数的增大,这些浓度曲线呈增加趋势。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Thermal Diffusion and Diffusion Thermo Effects on Chemically Reacting Nanofluid Flow Towards A Vertical Cone Filled by Porous Medium
Nano particles, chemical reactions, and porous media are all used in this study to look at how thermal diffusion in addition diffusion thermo work together to affect liquid that is immiscible, slurries, but instead conducts electricity flow toward a vertical cone. There is a concentration equation and an energy equation for this question. There are thermal diffusion and chemical reaction effects in both of these equations. It is done by making use of correspondence transformations make governing dynamic system with optimization algorithms of the flow into Algebraic calculations that are quasi, which then statistically solved by means of the Rung-Kutta method, there are graphs in the findings and discussion section that show how different engineering factors can affect speed, features of temperature moreover concentration. Furthermore, consequences about these factors Nu and Sh statistics for skin friction quantity also discussed and as seen in tables. By comparing present results to data that has already been published, we can see that they are very accurate. Increases with in Brownian motion attribute as well as thermal diffusion attribute significantly raise its density boundary layer. It is indeed worth noting that as solute concentration as the condensation variable is increased, the penetration depth declines. That’s for the reason that the compound genomic dispersion decreases as the temperature rises. Kr as a result, values pertaining to Dufour numeral rise, Temperature profiles are similarly rises. Expansion Enhanced Nano fluid intensity dispersion as well as expanded the Thermal diffusion attribute reverse effect in the situation of Brownian locomotion effect, can be seen. These concentration profiles are increasing with rising values of Soret number parameter.
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来源期刊
Journal of Nanofluids
Journal of Nanofluids NANOSCIENCE & NANOTECHNOLOGY-
自引率
14.60%
发文量
89
期刊介绍: Journal of Nanofluids (JON) is an international multidisciplinary peer-reviewed journal covering a wide range of research topics in the field of nanofluids and fluid science. It is an ideal and unique reference source for scientists and engineers working in this important and emerging research field of science, engineering and technology. The journal publishes full research papers, review articles with author''s photo and short biography, and communications of important new findings encompassing the fundamental and applied research in all aspects of science and engineering of nanofluids and fluid science related developing technologies.
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