A comparative analysis of fractal and fractionalized thermal non-equilibrium model for chaotic convection saturated by porous medium

Kashif Ali Abro , Imran Qasim Memon , Ali Yousef , Qasem M. Al-Mdallal
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Abstract

The convective heat transfer is one of the most important mechanism of heat transference for controlling the chaotic characteristics in porous media. A comparative study of thermal non-equilibrium model is proposed for fractal porous under the consideration of chaotic convection. A novel chaos control is focused between fractal porous and fractional porous by means of newly proposed differential and integral techniques. The sensitivity analysis for chaos expansion and uncertainty quantification for the flow in heterogeneous media have been perceived to the problem of chaotic convection through numerical simulations. In order to approximate the propagation of chaos, two types of simulations have been carried out in terms of chaotic attractors through fractal and fractional approaches. For examining a variety of chaos under the numerical simulations in which fractal domain is varied and fractional domain is fixed, fractal domain is fixed and fractional domain is varied, and both fractal as well as fractional domain are varied. Finally, it is observed that the fractional and fractal memory effects have caused by interactions between uncertain parameters and disclosed the microstructures on the permeability of porous media.
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多孔介质饱和混沌对流的分形和分化热非均衡模型对比分析
对流传热是控制多孔介质混沌特性的最重要传热机制之一。在考虑混沌对流的前提下,提出了分形多孔热非均衡模型的对比研究。通过新提出的微分和积分技术,重点研究了分形多孔和分数多孔之间的新型混沌控制。通过数值模拟对混沌对流问题进行了混沌扩展的敏感性分析和异质介质中流动的不确定性量化。为了近似混沌的传播,通过分形和分数方法从混沌吸引子的角度进行了两类模拟。在分形域变化而分数域固定、分形域固定而分数域变化以及分形域和分数域均变化的数值模拟中,对各种混沌进行了研究。最后观察到,分形和分形记忆效应是由不确定参数之间的相互作用引起的,并揭示了微结构对多孔介质渗透性的影响。
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来源期刊
CiteScore
8.40
自引率
0.00%
发文量
100
审稿时长
33 weeks
期刊介绍: The journal has a particular interest in publishing papers on the unique issues facing chemical engineering taking place in countries that are rich in resources but face specific technical and societal challenges, which require detailed knowledge of local conditions to address. Core topic areas are: Environmental process engineering • treatment and handling of waste and pollutants • the abatement of pollution, environmental process control • cleaner technologies • waste minimization • environmental chemical engineering • water treatment Reaction Engineering • modelling and simulation of reactors • transport phenomena within reacting systems • fluidization technology • reactor design Separation technologies • classic separations • novel separations Process and materials synthesis • novel synthesis of materials or processes, including but not limited to nanotechnology, ceramics, etc. Metallurgical process engineering and coal technology • novel developments related to the minerals beneficiation industry • coal technology Chemical engineering education • guides to good practice • novel approaches to learning • education beyond university.
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