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| Content Provider | Tech Science Press |
|---|---|
| Author | Adel, Sahi Ryad, Cherfi Djamel, Sadaoui Smail, Mouloud |
| Abstract | The present work relates to a numerical investigation of double diffusive mixed convection around a horizontal annulus with a finned inner cylinder. The solutal and thermal buoyancy forces are sustained by maintaining the inner and outer cylinders at uniform temperatures and concentrations. Buoyancy effects are also considered, with the Boussinesq approximation. The forced convection effect is induced by the outer cylinder rotating with an angular velocity (ω) in an anti-clockwise direction. The studies are made for various combinations of dimensionless numbers; buoyancy ratio number (N), Lewis number (Le), Richardson number (Ri) and Grashof number (Gr). The isotherms, isoconcentrations and streamlines as well as both average and local Nusselt and Sherwood numbers were studied. A finite volume scheme is adopted to solve the transport equations for continuity, momentum, energy and mass transfer. The results indicate that the use of fins on the inner cylinder with outer cylinder rotation, significantly improves the heat and mass transfer in the annulus. |
| Related Links | https://www.techscience.com/fdmp/v15n2/24657 |
| Starting Page | 153 |
| Ending Page | 169 |
| ISSN | 1555256X |
| DOI | 10.32604/fdmp.2019.04294 |
| Issue Number | 2 |
| Journal | Fluid Dynamics & Materials Processing (FDMP) |
| Volume Number | 15 |
| e-ISSN | 15552578 |
| Language | English |
| Access Restriction | Open |
| Subject Keyword | double diffusive flow heat and mass transfer numerical simulation. mixed convection Finned inner cylinder rotating annulus |
| Content Type | Text |
| Resource Type | Article |
| Subject | Materials Science |
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