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- Title
THE EFFECT OF TEMPERATURE-DEPENDENT VISCOSITY AND THERMAL CONDUCTIVITY ON MICROPOLAR FLUID OVER A STRETCHING SHEET.
- Authors
Keimanesh, Reza; Aghanajafi, Cyrus
- Abstract
In this paper, the flow and heat transfer characteristics of a micropolar fluid flow over a stretching sheet are studied. The effects of magnetic field, radiation heat flux and porous sheet are investigated, and the viscosity and thermal conductivity are supposed temperature-dependent. The governing equations are formulated by boundary layer approximation and the theory of micropolar fluids. To solve the problem, the partial differential equations are transformed into the ordinary differential equations by using similarity solutions, and the achieved equations are solved by shooting method and fourthorder Runge-Kutta. The results show that the effects of magnetic field and porousness result in decrease of the velocity values in the boundary layers, but the presence of radiation heat flux results in the growth of the boundary layer thickness. Furthermore, the thickness of thermal boundary layer declines by increase of suction parameter and reduction of radiation and magnetic field effects.
- Subjects
FLUID dynamics; THERMAL conductivity; VISCOSITY; MICROPOLAR elasticity; BOUNDARY layer control; MAGNETIC fields
- Publication
Technical Gazette / Tehnički Vjesnik, 2017, Vol 24, Issue 2, p371
- ISSN
1330-3651
- Publication type
Article
- DOI
10.17559/TV-20150517072748