Investigation on conjugate mixed convection inside a square cavity with heat generating rotating circular cylinder

2021 ◽  
Author(s):  
Ehsanul Azim ◽  
Md. Jahid Hasan Sagor ◽  
Abul Borkot Md Rafiqul Hasan ◽  
Sumon Saha
Keyword(s):  
Circular Cylinder ◽  
Mixed Convection ◽  
Square Cavity ◽  
Rotating Circular Cylinder

Mixed convection of nanofluid in a square enclosure with a hot bottom wall and a conductive half‐immersed rotating circular cylinder

Heat Transfer ◽  
2020 ◽  
Vol 49 (8) ◽  
pp. 4173-4203
Author(s):  
Saba Y. Ahmed ◽  
Mohammed Y. Jabbar ◽  
Hameed K. Hamzah ◽  
Farooq H. Ali ◽  
Ahmed K. Hussein
Keyword(s):  
Circular Cylinder ◽  
Mixed Convection ◽  
Bottom Wall ◽  
Square Enclosure ◽  
Rotating Circular Cylinder

scholarly journals The Investigation of the Mixed Convection from a Confined Rotating Circular Cylinder

2017 ◽  
Vol 61 (3) ◽  
pp. 161 ◽  
Author(s):  
Kamel Yahiaoui ◽  
Driss Nehari ◽  
Belkacem Draoui
Keyword(s):  
Heat Transfer ◽  
Circular Cylinder ◽  
Mixed Convection ◽  
Convective Flow ◽  
Numerical Study ◽  
Thermal Buoyancy ◽  
Rotating Circular Cylinder ◽  
Flow And Heat Transfer ◽  
Mixed Convective Flow ◽  
Energy Equations

In this paper, a numerical study on the two-dimensional laminar mixed convective flow and heat transfer from an rotating circular horizontal and isothermal cylinder confined in a horizontal channel. The blockage ratio and the Prandtl number are fixed at 0.05 and 0.7 respectively. The continuity, momentum and energy equations are solved via the finite-volume method. Our results are in very good agreement with those resulting from preceding studies to Ri=0 and a=0, which makes it possible to validate on important extension of present work. The mixed convective flow and heat transfer is simulated by the Reynolds number is studied in the range 1 <Re <40, the Richardson number (Ri) demonstrating the influence of thermal buoyancy ranges from 0 to 1 and for rotational rate from α=0 to α=4. Major emphasis is given to the effect of rotating a circular cylinder on the mixed convection and also on the measurements of the local and average Nusselt numbers are also obtained. Furthermore, the representative streamlines and isotherm patterns are presented and discussed.

MHD mixed convection due to a rotating circular cylinder in a trapezoidal enclosure filled with a nanofluid saturated with a porous media

2020 ◽  
Vol 181 ◽  
pp. 105688 ◽  
Author(s):  
Farooq H. Ali ◽  
Hameed K. Hamzah ◽  
Ahmed Kadhim Hussein ◽  
Mohammad Y. Jabbar ◽  
Pouyan Talebizadehsardari
Keyword(s):  
Porous Media ◽  
Circular Cylinder ◽  
Mixed Convection ◽  
Rotating Circular Cylinder ◽  
Trapezoidal Enclosure
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