Numerical Simulation of Mixed Convection in Porous Media Induced by Viscous Dissipation

2017 ◽  
Author(s):  
Ricardo Dias dos Santos ◽  
Leonardo Santos de Brito Alves ◽  
Pedro Vayssiere Brandão
Keyword(s):  
Numerical Simulation ◽  
Porous Media ◽  
Mixed Convection ◽  
Viscous Dissipation ◽  
Convection In Porous Media

scholarly journals Numerical simulation of salt finger convection in porous media

2008 ◽  
Vol 57 (4) ◽  
pp. 2306
Author(s):  
Luo Ying-Ying ◽  
Zhan Jie-Min ◽  
Li Yok-Sheung
Keyword(s):  
Numerical Simulation ◽  
Porous Media ◽  
Convection In Porous Media

Numerical Simulation of the Effect of Transient Shear Stress and Rate of Heat Transfer Around Different Positions of Sphere in the Presence of Viscous Dissipation

2018 ◽  
Vol 140 (6) ◽  
Author(s):  
Muhammad Ashraf ◽  
Almas Fatima
Keyword(s):  
Heat Transfer ◽  
Numerical Simulation ◽  
Shear Stress ◽  
Mixed Convection ◽  
Viscous Dissipation ◽  
Angular Frequency ◽  
Convection Flow ◽  
Special Focus ◽  
Simulation Based ◽  
Suitable Group

The present study is devoted to the problem of oscillatory convective flow in the presence of viscous dissipation around different positions of a sphere. The system of differential equations governing the flow phenomenon is transformed into dimensionless form by using suitable group of variables and then transformed into convenient form for integration by using primitive variable formulation. Numerical simulation based on finite difference method is carried out to analyze the mixed convection flow mechanism. Special focus is given on the transient shear stress and the rate of heat transfer characteristics and their dependency on various dimensionless parameters that is mixed convection parameter λ, Prandtl number Pr, dissipation parameter N, and angular frequency parameter ω. The angles X=30deg,90 deg, and 360deg are the favorable positions around the sphere for different parameters, where the transient rate of shear stress and heat transfer is noted maximum. Later, the obtained results are presented graphically by using Tech Plot-360 and compared with the previous work given in the literature.

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