基于Cattaneo-Christov热通量模型的倾斜磁驱动Casson纳米流体在径向拉伸板上的流动
A study of inclined magnetically driven Casson nanofluid using the Cattaneo-Christov heat flux model with multiple slips towards a chemically reacting radially stretching sheet
Areej FATIMA 1Muhammad SAGHEER 1Shafqat HUSSAIN2
作者信息
- 1. Capital University of Science&Technology,Islamabad 46000,Pakistan
- 2. Technical University,Dortmund 44135,Germany
- 折叠
摘要
本文以二维倾斜磁驱动Casson纳米流体为对象,研究了其在驻点附近流过径向拉伸板时的传导、热辐射和放热/吸热现象.为了研究传热特性,采用了Cattaneo-Christov热通量模型.利用Buongiorno模型描述纳米流体流动问题方程,以探讨布朗运动、热泳、热滑移和质量滑移条件的影响.采用一组相似变换将研究模型的高阶非线性偏微分方程转化为常微分方程组.利用射击法的效率优势,对所提出的流动问题方程进行了数值管理.通过图表讨论了流动参数对流体速度、浓度和温度的影响.随着Casson参数的增大,流体速度加快,表面摩擦因数也增大;随着磁参数增大,流体的速度减慢.
Abstract
A numerical investigation is carried out by taking into consideration a two-dimensional inclined magnetically driven Casson nanofluid near a stagnation point flowing past a chemically reacting radially stretching sheet to scrutinize the phenomena of conduction,thermal radiation,heat generation and absorption in the light of multiple slips.For the purpose of investigating the characteristics of heat transfer conscientiously,the frequently cited Cattaneo-Christov heat flux model has been taken into consideration.The equations describing the proposed flow problem have been described by employing the Buongiorno nanofluid model to explore the impact of Brownian motion,thermophoresis and thermal and mass slip conditions.A set of some appropriate similarity transformations has been incorporated for converting highly non-linear partial differential equations characterizing the designed flow model to a system of ordinary differential equations.The advantage of the efficiency of the shooting method has been taken for the numerical governance of the proposed flow equations.The impacts of apropos flow parameters on the flow velocity,concentration and temperature configurations have been examined via tables and graphs.It has been remarked that the velocity accelerates significantly and the skin friction coefficient also shows an increasing behavior by escalating the Casson parameter.Furthermore,by increasing the magnitude of the magnetic parameter,the velocity of the fluid decreases.
关键词
Casson纳米流体/径向拉伸板/驻点/磁流体动力学/放热/吸热/滑动条件Key words
Casson nanofluid/radially stretching sheet/stagnation point/magnetohydrodynamics(MHD)/heat generation/absorption/slip conditions引用本文复制引用
出版年
2023
NETL
NSTL
维普
万方数据