Consequences of chemical reaction in temperature-dependent thermal conductivity fluid flow by a rotating disk with variable thickness

被引:3
|
作者
Imtiaz, Maria [1 ]
Shahid, Fiza [2 ]
Hayat, Tasawar [2 ,3 ]
Alsaedi, Ahmed [3 ]
机构
[1] Natl Univ Med Sci, Dept Social & Behav Sci, Rawalpindi, Pakistan
[2] Quaid I Azam Univ 45320, Dept Math, Islamabad 44000, Pakistan
[3] King Abdulaziz Univ 80203, Fac Sci, Dept Math, Nonlinear Anal & Appl Math NAAM Res Grp, Jeddah 21589, Saudi Arabia
来源
PRAMANA-JOURNAL OF PHYSICS | 2019年 / 93卷 / 06期
关键词
Homogeneous-heterogeneous reactions; variable thickness; variable thermal conductivity; rotating disk; BOUNDARY-LAYER-FLOW; HOMOGENEOUS-HETEROGENEOUS REACTIONS; CHRISTOV HEAT-FLUX; STRETCHING SHEET; MODEL; RADIATION; SURFACE;
D O I
10.1007/s12043-019-1848-6
中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
This paper examines the steady flow due to a rotating disk with variable thickness. Equations are modelled by considering the homogeneous-heterogeneous reactions and variable thermal conductivity. The modified Von Karman transformations are utilised to convert the governing partial differential equations into dimensionless nonlinear ordinary differential equations. Convergent series solutions are computed. The impact of relevant parameters on flow fields is computed and interpreted. It is predicted that an increase in disk thickness index decreases the axial velocity while increases the radial and tangential velocities. The Nusselt number enhances by increasing the thickness parameter of a disk.
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页数:12
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