Wastewater Pollutant Discharge Concentration Effect on Non-Newtonian Hybrid Nanofluid Flow across a Riga Sheet: Numerical Exploration

IF 2.5 4区工程技术 Q2 ENGINEERING, MECHANICAL

Journal of Porous Media Pub Date : 2024-05-01 DOI:10.1615/jpormedia.2024052654

Muhammad Bilal, Saif Ullah, Almetwally M. Mostafa, Nouf F. AlQahtani, Shuo Li

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引用次数: 0

Abstract

Wastewater disposal plays an important role in several sectors of industry and environmental systems. The objective of the present research is to avoid and monitor pollutants discharge in the pure water resource. For the purpose, the influence of PDC (pollutant discharge concentration) on the non-Newtonian hybrid nanofluids (NNNF) flow across a porous surface of Riga sheet is examined. The two different types of NNNF (second-grade and Walter’s B fluids) have been considered. The copper (Cu) and iron oxide (Fe3O4) nanoparticles (NPs) are used in the base fluid Sodium Alginate (C6H9NaO7) to prepare the hybrid nanofluid. The NNNF flow is designed in form of nonlinear system of partial differential equations (PDEs), which are simplified to dimensionless form of ordinary differential equations by using similarity transformation and then numerically handled through the parametric continuation method (PCM). The numerical results of the proposed model are compared with the published literature for the limiting case. The present results reveal higher similarity with the existing study. From the graphical results, it can be observed that the fluid temperature drops with the variation of Cu and Fe3O4-NPs. The influence of external pollutant factor enhances the concentration of pollutants in case of both fluids. Furthermore, the rising quantity of Cu and Fe3O4 NPs in Sodium Alginate based hybrid nanofluid, the energy transfer rate enhances form 3.79% to 8.25%, in case of Second-Grade hybrid nanofluid and 3.88% to 9.86% in case of Walter’s B hybrid nanofluid respectively.

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污水污染物排放浓度对里加片非牛顿混合纳米流体流动的影响：数值探索

废水处理在多个工业部门和环境系统中发挥着重要作用。本研究的目的是避免和监测纯净水资源中的污染物排放。为此，研究了 PDC（污染物排放浓度）对流经里加片多孔表面的非牛顿混合纳米流体（NNNF）的影响。研究考虑了两种不同类型的 NNNF（二级流体和 Walter's B 流体）。在基础流体海藻酸钠（C6H9NaO7）中使用了铜（Cu）和氧化铁（Fe3O4）纳米粒子（NPs）来制备混合纳米流体。NNNF 流动被设计为非线性偏微分方程（PDE）系统，通过相似性转换将其简化为无量纲形式的常微分方程，然后通过参数延续法（PCM）进行数值处理。所提模型的数值结果与已发表的极限情况文献进行了比较。本结果显示与现有研究的相似度较高。从图表结果中可以看出，流体温度随着 Cu 和 Fe3O4-NPs 的变化而下降。在外部污染物因素的影响下，两种流体中的污染物浓度都有所提高。此外，随着海藻酸钠基混合纳米流体中 Cu 和 Fe3O4-NPs 数量的增加，二级混合纳米流体的能量传递率从 3.79% 提高到 8.25%，Walter's B 混合纳米流体的能量传递率从 3.88% 提高到 9.86%。

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

Journal of Porous Media 工程技术-工程：机械

CiteScore

3.50

自引率

8.70%

发文量

审稿时长

12.5 months

期刊介绍： The Journal of Porous Media publishes original full-length research articles (and technical notes) in a wide variety of areas related to porous media studies, such as mathematical modeling, numerical and experimental techniques, industrial and environmental heat and mass transfer, conduction, convection, radiation, particle transport and capillary effects, reactive flows, deformable porous media, biomedical applications, and mechanics of the porous substrate. Emphasis will be given to manuscripts that present novel findings pertinent to these areas. The journal will also consider publication of state-of-the-art reviews. Manuscripts applying known methods to previously solved problems or providing results in the absence of scientific motivation or application will not be accepted. Submitted articles should contribute to the understanding of specific scientific problems or to solution techniques that are useful in applications. Papers that link theory with computational practice to provide insight into the processes are welcome.