Investigation of permeability effect on slip velocity and temperature jump boundary conditions for FMWNT/Water nanofluid flow and heat transfer inside a microchannel filled by a porous media

被引:100
|
作者
Nojoomizadeh, Mehdi [1 ]
D'Orazio, Annunziata [2 ]
Karimipour, Arash [3 ]
Afrand, Masoud [3 ]
Goodarzi, Marjan [4 ]
机构
[1] Islamic Azad Univ, Khomeinishahr Branch, Dept Mech Engn, Khomeinishahr, Iran
[2] Sapienza Univ Roma, Dipartimento Ingn Astronaut Elettr & Energet, Via Eudossiana 18, I-00184 Rome, Italy
[3] Islamic Azad Univ, Najafabad Branch, Dept Mech Engn, Najafabad, Iran
[4] Ton Duc Thang Univ, Fac Environm & Labour Safety, Sustainable Management Nat Resources & Environm R, Ho Chi Minh City, Vietnam
关键词
FMWNT/Water nanofluid; Microchannel; Slip flow; Permeability; EFFECTIVE THERMAL-CONDUCTIVITY; MAGNETO-NATURAL CONVECTION; COPPER-WATER NANOFLUID; HYBRID NANO-ADDITIVES; FORCED-CONVECTION; NUMERICAL-SIMULATION; TRANSFER ENHANCEMENT; CYLINDRICAL ANNULUS; FLUID-FLOW; MAGNETOHYDRODYNAMIC NANOFLUID;
D O I
10.1016/j.physe.2017.11.008
中图分类号
TB3 [工程材料学];
学科分类号
0805 ; 080502 ;
摘要
The fluid flow and heat transfer of a nanofluid is numerically examined in a two dimensional microchannel filled by a porous media. Present nanofluid consists of the functionalized multi-walled carbon nanotubes suspended in water which are enough stable through the base fluid. The homogenous mixture is in the thermal equilibrium which means provide a single phase substance. The porous media is considered as a Darcy-Forchheimer model. Moreover the slip velocity and temperature jump boundary conditions are assumed on the microchannel horizontal sides which mean the influences of permeability and porosity values on theses boundary conditions are presented for the first time at present work. To do this, the wide range of thermo physical parameters are examined as like Da = 0.1 to 0.001, Re = 10,100, dimensionless slip coefficient from 0.001 to 0.1 at different mass fraction of nanoparticles. It is observed that less Darcy number leads to more local Nusselt number and also applying the porous medium corresponds to higher slip velocity.
引用
收藏
页码:226 / 238
页数:13
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