Porosity Impacts on MHD Casson Fluid past a Shrinking Cylinder with Suction

IF 2.5 4区 工程技术 Q2 ENGINEERING, MECHANICAL
Annuri Shobha, Murugan Mageswari, Aisha M. Alqahtani, Asokan Arulmozhi, Manyala Gangadhar Rao, Sudar Mozhi K, Ilyas Khan
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Abstract

In this research, we are delving into the intricate interplay of Casson fluid flow around a shrinking cylinder while considering the existence of a porous medium. This system is further influenced by magnetohydrodynamics (MHD), radiation, and heat generation. A distinctive aspect of novelty in this investigation involves incorporating a suction effect into the boundary condition. By converting the resulting set of nonlinear partial differential equations into ordinary differential equations, we employ the bvp4c solver, which makes use of the Runge-Kutta method, to achieve numerical solutions. This numerical technique enables us to simulate and examine the complex patterns of fluid flow, temperature distribution, and velocity profiles that arise from the combined impacts of Casson fluid behavior, porous medium, MHD, radiation, and heat generation. The presence of the porous medium brings about alterations in velocity profiles and heat transfer within the system. The numerical methodology introduced here serves to showcase the capabilities of the bvp4c solver in conjunction with the Runge-Kutta method, particularly when addressing challenging Multiphysics problems involving Casson fluid behavior, porous media, MHD, radiation, and heat generation. The key findings of this research indicate that an increase in the Casson fluid parameter and the suction effect leads to a reduction in skin friction. Moreover, higher values of radiation are associated with a decrease in the Nusselt number profile.
多孔性对通过带吸力收缩圆柱体的 MHD 卡松流体的影响
在这项研究中,我们将深入研究卡松流体围绕收缩圆柱体流动的复杂相互作用,同时考虑多孔介质的存在。该系统还受到磁流体动力学(MHD)、辐射和发热的进一步影响。这项研究的新颖之处在于将吸力效应纳入边界条件。通过将非线性偏微分方程组转换为常微分方程,我们采用了 bvp4c 求解器,利用 Runge-Kutta 方法实现了数值求解。这种数值技术使我们能够模拟和研究卡松流体行为、多孔介质、MHD、辐射和热量产生的综合影响所导致的流体流动、温度分布和速度剖面的复杂模式。多孔介质的存在改变了系统内的速度分布和热量传递。本文介绍的数值方法展示了 bvp4c 求解器与 Runge-Kutta 方法相结合的能力,特别是在解决涉及卡松流体行为、多孔介质、MHD、辐射和发热等具有挑战性的多物理场问题时。这项研究的主要发现表明,卡松流体参数和吸力效应的增加会导致表皮摩擦力的减小。此外,辐射值越高,努塞尔特数曲线越小。
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
Journal of Porous Media 工程技术-工程:机械
CiteScore
3.50
自引率
8.70%
发文量
89
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.
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