Significance of activation energy and binary chemical reaction effects on mixed convection Falkner–Skan flow of nanofluid along a wedge

Q1 Chemical Engineering International Journal of Thermofluids Pub Date : 2025-03-01 Epub Date: 2025-01-08 DOI:10.1016/j.ijft.2025.101070
Aamir Hamid, Zahoora Maqsood, Nafeesa Farooq
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Abstract

Heating profiles and reaction rates, which are crucial in the mixed convection Falkner–Skan flow of nanofluids down a wedge, are strongly influenced by the binary chemical reaction and activation energy. Slower chemical reactions caused by higher activation energy affect concentration layers and heat transmission mechanisms. Heat generation, absorption, flow, and thermal properties are all changed by binary processes. In a variety of technical and industrial applications, their combined effects are crucial in either increasing or decreasing the efficiency of heat and mass transport. The governing equations have been appropriately converted into a set of ordinary differential equations in order to handle these dynamics. The bvp4c scheme in MATLAB software has been used to solve the resulting equations. Skin friction, local Nusselt number, and velocity, temperature, and nanoparticle concentration profiles are discussed and illustrated graphically in the paper. The findings show that increasing the wedge angle parameter increases the nanofluid's velocity, whereas the Darcy number shows the opposite trend.
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活化能和二元化学反应效应对纳米流体沿楔形混合对流Falkner-Skan流动的意义
加热剖面和反应速率是纳米流体沿楔形向下的混合对流Falkner-Skan流动的关键,它们受到二元化学反应和活化能的强烈影响。较高的活化能引起的较慢的化学反应影响浓度层和传热机制。热的产生、吸收、流动和热性能都由二元过程改变。在各种技术和工业应用中,它们的综合作用对于提高或降低热量和质量传输的效率至关重要。为了处理这些动力学问题,将控制方程适当地转化为一组常微分方程。利用MATLAB软件中的bvp4c方案对所得方程进行求解。皮肤摩擦,局部努塞尔数,速度,温度和纳米颗粒浓度分布进行了讨论和图解。结果表明:楔形角参数的增大会增加纳米流体的速度,而达西数则相反。
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来源期刊
International Journal of Thermofluids
International Journal of Thermofluids Engineering-Mechanical Engineering
CiteScore
10.10
自引率
0.00%
发文量
111
审稿时长
66 days
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