On Darcy-Forchheimer flow of carbon nanotubes due to a rotating disk

被引：102
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, Dept Math, Nonlinear Anal & Appl Math NAAM Res Grp, Fac Sci, Jeddah 21589, Saudi Arabia
来源：
INTERNATIONAL JOURNAL OF HEAT AND MASS TRANSFER | 2017年 / 112卷
关键词：
Darcy-Forchheimer flow; Carbon nanotubes (SWCNTs and MWCNTs); Rotating disk; Optimal homotopy analysis method (OHAM); MAGNETOHYDRODYNAMIC 3-DIMENSIONAL FLOW; NONLINEAR STRETCHING SURFACE; HOMOTOPY ANALYSIS METHOD; CHRISTOV HEAT-FLUX; OLDROYD-B FLUID; THERMAL-CONDUCTIVITY; VISCOUS DISSIPATION; VARIABLE PROPERTIES; CONVECTIVE FLOW; POROUS DISK;
D O I：
10.1016/j.ijheatmasstransfer.2017.04.123
中图分类号：
O414.1 [热力学];
学科分类号：
摘要：
The present communication deals with the Darcy-Forchheimer flow of water based carbon nanotubes (CNTs) due to a rotating disk. Results for single-wall carbon nanotubes (SWCNT5) and multi-wall carbon nanotubes (MWCNTs) have been obtained and compared. Flow in porous medium is described by utilizing Darcy-Forchheimer model. Suitable transformations lead to strong nonlinear differential system. Optimal homotopy analysis method (OHAM) is employed for solution development of governing system. The optimal values of auxiliary parameters are obtained. Plots have been displayed in order to analyze how the velocity and temperature fields are affected by various pertinent variables. Further the skin friction coefficients and local Nusselt number have been graphically examined for both SWCNTs and MWCNTs. Our findings reveal that the skin friction coefficients and local Nusselt number are enhanced for larger values of nanoparticles volume fraction. (C) 2017 Elsevier Ltd. All rights reserved.
引用
收藏
页码：248 / 254
页数：7
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