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Raju, G. S. S.
- Heat Transfer Analysis of MHD Non-Newtonian Fluid over A Horizontal Circular Cylinder with Biot Number Effect
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Authors
Affiliations
1 Department of Mathematics, Madanapalle Institute of Technology and Science, Madanapalle-517325, A.P., IN
2 Department of Mathematics, JNTUA College of Engineering Pulivendula, Pulivendula-516390, A.P., IN
1 Department of Mathematics, Madanapalle Institute of Technology and Science, Madanapalle-517325, A.P., IN
2 Department of Mathematics, JNTUA College of Engineering Pulivendula, Pulivendula-516390, A.P., IN
Source
Research Journal of Science and Technology, Vol 9, No 3 (2017), Pagination: 395-399Abstract
In the proposed work deals with the heat transfer analysis of Magneto hydrodynamic third grade fluid flow over a horizontal circular cylinder with Biot-number effect. Using the Non – Similarity transformations, the governing partial differential equations are converted into ordinary differential equations and these equations are solved numerically by using an implicit finite difference Keller - Box method. The influence of emerging non-dimensional parameters, namely the third grade fluid parameter, the material fluid parameters, Magneto hydrodynamic parameter, Biot number effect and the Prandtl number, on velocities and temperatures are evaluated in the boundary layer regime in detail. Increasing the third grade fluid parameter and material fluid parameters are found to increase the velocity and opposite behavior is observed on temperature profiles. Increasing the Magneto hydrodynamic parameter is found to decreases the velocity and increases the temperature. An increasing the Biot number whereas the velocity and temperature are enhances and increasing the Prandtl number, the velocity and temperature profiles are in depresses .The study is relevant to chemical materials processing applications.Keywords
Third Grade Fluid, Horizontal Circular Cylinder, Material Fluid Parameters, Magneto Hydro Dynamic and Biot Number.
References
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Authors
Affiliations
1 Department of Mathematics, Sreenivasa Institute of Technology and Management Studies, Chittoor-517001, IN
2 Department of Mathematics, JNTUA College of Engineering, Pulivendula-516390, Andhra Pradesh, IN
1 Department of Mathematics, Sreenivasa Institute of Technology and Management Studies, Chittoor-517001, IN
2 Department of Mathematics, JNTUA College of Engineering, Pulivendula-516390, Andhra Pradesh, IN
Source
Research Journal of Science and Technology, Vol 9, No 4 (2017), Pagination: 525-531Abstract
This paper examines the nonlinear steady state boundary layer flow and heat transfer of an incompressible Jeffery non-Newtonian fluid from an isothermal sphere. The governing partial differential equations of the flow field are converted to a system of non-linear coupled non-similarity ordinary differential equations. Finite difference technique followed by Keller Box method, the system is solved numerically. The numerical code is validated with previous studies. The effects of the various physical parameters countered in the flow field on the velocity, temperature as well as the skin friction coefficient and the rate of heat transfer near the wall are computed and illustrated graphically. It is found that increasing suction decelerates the flow and also cools the boundary layer i.e. reduces temperatures. With increasing tangential coordinate the flow is also decelerated whereas the temperatures are enhanced. The simulation is relevant to polymer coating thermal processing. Polymeric enrobing flows are important in industrial manufacturing technology and process systems. Such flows are non-Newtonian. Motivated by such applications, we did the present problem.Keywords
Polymers, Heat Transfer, Skin Friction, Deborah Number, Suction.References
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