Entropy optimized radiative boundary layer flow and heat-mass transfer of [formula omitted] water based nanofluid with Binary chemical reaction over a wedge

IF 6.4 2区工程技术 Q1 THERMODYNAMICS

Case Studies in Thermal Engineering Pub Date : 2024-11-26 DOI:10.1016/j.csite.2024.105535

Samia Nasr, Sohail Rehman, Naeem Ullah, Taoufik Saidani, Iskandar Shernazarov

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Abstract

The study of boundary layer flow (BLF) with heat-mass transfer of binary chemical processes and nanofluids (NF) over a wedge is essential for improving heat transfer and reaction kinetics in applications including processing of material technologies, chemical reactors, and energy-efficient cooling mechanisms. This paper examines the entropy optimized BLF of silver Ag− water based nanofluid with binary chemical species over a wedge surface. The Tiwari-Das model is executed in this model which account the load of Ag− nanomaterials. The flow of NF over a moving wedge subject to favorable and adverse pressure differential is addressed by Naiver-Stokes equation. This model accounts the homogeneous heat reaction, viscous dissipation, joule heating and thermal radiations. The dimensionless equations for flow, for heat, and concentration are formulated and solved numerically using the fourth ordered Rung-Kutta approach. The findings suggest that fluid concentration is lowered with a rise in Schmidt number and homogenous chemical reaction. Thermal distribution improve with heterogonous reaction, magnetic parameter and deteriorate with wedge parameter. The skin friction rises from 25.277 % to 26.455 % with a material load of 3 % and magnetic parameter. The Nusselt decline with a radiative parameter from 10.984 % to 2.9748 % when particle load of 3 % is accounted.

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楔形二元化学反应下水基纳米流体的熵优化辐射边界层流动和热质传递

二元化学过程和纳米流体（NF）在楔形上的边界层流动（BLF）的热质传递研究对于改善材料技术、化学反应器和节能冷却机制等应用中的传热和反应动力学至关重要。本文研究了具有二元化学物质的银-水基纳米流体在楔形表面上的熵优化BLF。在此模型中执行Tiwari-Das模型，该模型考虑了银纳米材料的载荷。利用naver - stokes方程求解了受有利压差和不利压差影响的NF在移动楔板上的流动。该模型考虑了均匀热反应、粘性耗散、焦耳加热和热辐射。用四阶龙库塔法对流动、热量和浓度的无因次方程进行了数值求解。结果表明，随着施米特数的增加和化学反应的均质化，流体浓度降低。热分布随异相反应、磁参数的增加而改善，随楔形参数的增加而恶化。当材料载荷为3%，磁参数为3%时，表面摩擦力由25.277%增加到26.455%。当粒子负荷为3%时，Nusselt随辐射参数从10.984%下降到2.9748%。

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来源期刊

Case Studies in Thermal Engineering Chemical Engineering-Fluid Flow and Transfer Processes

CiteScore

8.60

自引率

11.80%

发文量

812

审稿时长

76 days

期刊介绍： Case Studies in Thermal Engineering provides a forum for the rapid publication of short, structured Case Studies in Thermal Engineering and related Short Communications. It provides an essential compendium of case studies for researchers and practitioners in the field of thermal engineering and others who are interested in aspects of thermal engineering cases that could affect other engineering processes. The journal not only publishes new and novel case studies, but also provides a forum for the publication of high quality descriptions of classic thermal engineering problems. The scope of the journal includes case studies of thermal engineering problems in components, devices and systems using existing experimental and numerical techniques in the areas of mechanical, aerospace, chemical, medical, thermal management for electronics, heat exchangers, regeneration, solar thermal energy, thermal storage, building energy conservation, and power generation. Case studies of thermal problems in other areas will also be considered.