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| Content Provider | Springer Nature Link |
|---|---|
| Author | Sheremet, Mikhail A. |
| Copyright Year | 2012 |
| Abstract | Unsteady three-dimensional conjugate heat and mass transfer in an enclosure having finite thickness heat-conducting walls has been analyzed numerically. The governing unsteady, three-dimensional flow, energy and contaminant transport equations for the gas cavity and unsteady heat conduction equation for solid walls, written in dimensionless terms of the vector potential functions, the vorticity vector, the temperature and the concentration, have been solved using an iterative implicit finite-difference method. Main attention was paid to the effects of the Rayleigh number, buoyancy ratio and the dimensionless time on the flow structure and heat and mass transfer regimes. It should be noted that the dominant cause of the oscillations in the dimensionless time dependences of the average Nusselt number on the heat source surface and the average Sherwood number on the contaminant source surface at Ra>5⋅10$^{5}$ is the mutual influence of the analyzed object geometry and the thermo-diffusivity impact on the flow. The change in the buoyancy ratio can lead to the essential modifications of the flow, temperature and concentration fields owing to the significant influence of the concentration gradient. |
| Starting Page | 851 |
| Ending Page | 862 |
| Page Count | 12 |
| File Format | |
| ISSN | 00256455 |
| Journal | Meccanica |
| Volume Number | 48 |
| Issue Number | 4 |
| e-ISSN | 15729648 |
| Language | English |
| Publisher | Springer Netherlands |
| Publisher Date | 2012-11-02 |
| Publisher Place | Dordrecht |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | Conjugate heat and mass transfer Natural convection Heat and contaminant sources Cube Mathematical simulation Vector potential functions Mechanics Civil Engineering Automotive Engineering Mechanical Engineering |
| Content Type | Text |
| Resource Type | Article |
| Subject | Mechanics of Materials Condensed Matter Physics Mechanical Engineering |
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