MHD NONLINEAR CONVECTIVE FLOW OF OLDROYD-B FLUID IN A DARCY-FORCHHEIMER POROUS MEDIUM WITH HEAT GENERATION/ABSORPTION

被引：3

作者：

Hayat, Tasawar ^{[1
,2
]}

Qayyum, Sajid ^{[1
]}

Shehzad, Sabir Ali ^{[3
]}

Alsaedi, Ahmed ^{[2
]}

机构：

[1] Quaid I Azam Univ, Dept Math, Islamabad 44000, Pakistan

[2] King Abdulaziz Univ, Nonlinear Anal & Appl Math NAAM Res Grp, Fac Sci, Jeddah 21589, Saudi Arabia

[3] COMSATS Inst Informat Technol, Dept Math, Sahiwal 57000, Pakistan

来源：

JOURNAL OF POROUS MEDIA | 2018年 / 21卷 / 05期

关键词：

Oldroyd-B fluid; Darcy-Forchheimer flow; mixed convection; thermal radiation; heat generation/absorption; convective heat transfer; STAGNATION POINT FLOW; BOUNDARY-LAYER-FLOW; POWER-LAW FLUIDS; THERMAL-RADIATION; MIXED CONVECTION; ENTROPY GENERATION; 3-DIMENSIONAL FLOW; NATURAL-CONVECTION; STRETCHING SHEET; MICROPOLAR FLUID;

D O I：

10.1615/JPorMedia.v21.i5.10

中图分类号：

O414.1 [热力学];

学科分类号：

摘要：

An investigation and analysis have been made for the magnetohydrodynamic (MHD) nonlinear convective flow of Oldroyd-B fluid in the presence of a non-Darcy porous medium. Thermal radiation, mixed convection, and heat generation/absorption are present. Features of heat transfer are studied in view of convective surface conditions. Implementation of suitable variables yields nonlinear ordinary differential systems. Resulting systems have been solved through a homotopic procedure. The characteristics of different physical quantities on velocity and temperature are scrutinized graphically and deliberated physically. The expression of the local Nusselt number is calculated and explored through numerical values. Temperature and rate of heat transfer are enhanced when the thermal radiation parameter and Biot number are increased.

引用

页码：389 / 404

页数：16

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