On Darcy-Forchheimer flow of viscoelastic nanofluids: A comparative study

被引:72
作者
Hayat, Tasawar [1 ,2 ]
Haider, Farwa [1 ]
Muhammad, Taseer [1 ]
Alsaedi, Ahmed [2 ]
机构
[1] Quaid I Azam Univ, Dept Math, Islamabad 44000, Pakistan
[2] King Abdulaziz Univ, Fac Sci, Dept Math, Nonlinear Anal & Appl Math NAAM Res Grp, Jeddah 21589, Saudi Arabia
关键词
Darcy-Forchheimer flow; Viscoelastic fluids; Nanoparticles; MHD; Nonlinear stretching surface; Optimal homotopy analysis method (OHAM); BOUNDARY-LAYER-FLOW; MAGNETOHYDRODYNAMIC 3-DIMENSIONAL FLOW; NONLINEARLY STRETCHING SHEET; HEAT-TRANSFER ENHANCEMENT; MIXED CONVECTION; VISCOUS DISSIPATION; NATURAL-CONVECTION; GRAVITY CURRENTS; SLIP BOUNDARY; MASS-TRANSFER;
D O I
10.1016/j.molliq.2017.03.035
中图分类号
O64 [物理化学(理论化学)、化学物理学];
学科分类号
070304 ; 081704 ;
摘要
Here we are concerned with Darcy-Forchheimer flow of viscoelastic nanofluids. A nonlinear stretching surface has been employed to create the flow. Fluids are electrically conducted subject to non-uniform applied magnetic field. Results for elastico-viscous and second grade fluids are obtained and compared. Flow saturating porous space obeys Darcy-Forchheimer expression. Buongiorno model employing features of random motion and thermophoresis is considered. Boundary layer approach is involved to simplify the governing partial differential system. Convergent series solutions of nonlinear systems are developed through the optimal homotopy analysis method (OHAM). Plots for analysis of temperature and concentradon fields are displayed. Numerical data of skin friction coefficient and local Nusselt and Sherwood numbers is addressed. (C) 2017 Elsevier B.V. All rights reserved.
引用
收藏
页码:278 / 287
页数:10
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