Heterogeneous and homogeneous reactive flow of magnetite-water nanofluid over a magnetized moving plate

IF 5.4 2区 工程技术 Q1 ENGINEERING, AEROSPACE
C.S. Sravanthi , F. Mabood , S.G. Nabi , S.A. Shehzad
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引用次数: 9

Abstract

This model is dedicated to visualizing the nature of magnetite-water nanoliquid induced by a permeable plate having variable magnetic effect, non-linear radiation, heterogeneous and homogeneous chemically reactive species. The system of momentum, thermal and concentration expressions is formulated and transformed from the partial to ordinary differential systems by using the adequate transforms. This highly non-linear system is solved through RKF (Runge-Kutta-Fehlberg) numerical method. Important parameters such as suction/injection, magnetic, and radiation effects as well as other relevant parameters are investigated. The graphs show that the rise in radiation parameter numerically improves the thermal distribution, implying a faster heat transfer rate. Non-linear radiation has greater effect on temperature than the linear radiation. While the volume concentration effect reveals that the friction factor increase with the enhancement of nanoparticle concentration. It is also observed that, plate velocity decreases the skin-friction but increases the wall heat transfer for both suction and blowing cases. The results indicate that the current research has a strong agreement with the relevant data in a limiting approach.

磁性水纳米流体在磁化移动板上的非均质和均质反应流动
该模型致力于可视化磁水纳米液体的性质,该纳米液体由具有可变磁效应、非线性辐射、非均相和均相化学反应物质的渗透板诱导。通过适当的变换,将动量、热量和浓度的表达式系统由偏微分系统转化为常微分系统。采用RKF (Runge-Kutta-Fehlberg)数值方法求解了这一高度非线性系统。重要的参数,如吸/注射,磁和辐射效应以及其他相关参数进行了研究。从图中可以看出,辐射参数的增加在数值上改善了热分布,意味着更快的传热速率。非线性辐射对温度的影响大于线性辐射。而体积浓度效应表明,摩擦系数随纳米颗粒浓度的增加而增加。在吸力和吹气两种情况下,板速降低了表面摩擦,但增加了壁面换热。结果表明,本研究在一定程度上与相关数据具有较强的一致性。
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
CiteScore
7.50
自引率
5.70%
发文量
30
期刊介绍: Propulsion and Power Research is a peer reviewed scientific journal in English established in 2012. The Journals publishes high quality original research articles and general reviews in fundamental research aspects of aeronautics/astronautics propulsion and power engineering, including, but not limited to, system, fluid mechanics, heat transfer, combustion, vibration and acoustics, solid mechanics and dynamics, control and so on. The journal serves as a platform for academic exchange by experts, scholars and researchers in these fields.
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