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Comprehensive study of thermophoretic diffusion deposition velocity effect on heat and mass transfer of ferromagnetic fluid flow along a stretching cylinder
Proceedings of the Institution of Mechanical Engineers, Part E: Journal of Process Mechanical Engineering ( IF 2.4 ) Pub Date : 2021-03-24 , DOI: 10.1177/09544089211005291
R Naveen Kumar 1 , RJ Punith Gowda 1 , GD Prasanna 1 , BC Prasannakumara 1 , Kottakkaran Sooppy Nisar 2 , Wasim Jamshed 3
Affiliation  

The aim of this current investigation is to discuss the flow of a ferromagnetic viscous liquid with thermophoretic particle deposition over a stretching cylinder on taking account of a uniform heat source/sink. The non-dimensional form of equations for described flow is attained by using appropriate similarity variables. The solution of the resultant governing system is obtained by Runge-Kutta-Fehlberg’s fourth-fifth order method by adopting the shooting technique. The outcomes of dimensionless quantities are discussed on velocity, temperature, and concentration fields by using suitable graphs. Result reveals that the upshot in values of ferromagnetic interaction parameter increases the thermal gradient but a converse trend is detected for inclined values of heat source/sink parameter. An increase in thermophoretic parameter and thermophoretic coefficient declines the thermophoretic particle deposition velocity. The imposing of magnetic dipole and particle deposition has a receding impact on the rate of heat and mass transfers respectively. Excellent comparison is established through a tabular description to validate the adopted numerical procedure.



中文翻译:

热泳扩散沉积速度对铁磁流体沿拉伸缸传热和传质影响的综合研究

本研究的目的是讨论在考虑到均匀的热源/散热片的情况下,具有热泳粒子沉积在拉伸圆柱体上的铁磁粘性液体的流动。通过使用适当的相似性变量,可以得到用于描述流量的方程的无量纲形式。最终的控制系统的解决方案是通过采用射击技术通过Runge-Kutta-Fehlberg的四阶五阶方法获得的。使用合适的图形在速度,温度和浓度场上讨论了无因次量的结果。结果表明,铁磁相互作用参数值的上调增加了热梯度,但对于热源/散热器参数的倾斜值却发现了相反的趋势。热泳参数和热泳系数的增加降低了热泳粒子的沉积速度。施加磁偶极子和粒子沉积分别对传热速率和传质速率产生后退影响。通过表格描述建立了出色的比较,以验证所采用的数值程序。

更新日期:2021-03-25
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