Mhd Mixed Convection in Copper-Water Nanofluid Filled Lid-Driven Square Cavity Containing Multiple Adiabatic Obstacles with Discrete Heating
| Autor: | R.S.R. Gorla, S. Siddiqa, A.A. Hasan, T. Salah, A.M. Rashad |
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| Jazyk: | angličtina |
| Rok vydání: | 2020 |
| Předmět: | |
| Zdroj: | International Journal of Applied Mechanics and Engineering, Vol 25, Iss 2, Pp 57-74 (2020) |
| Druh dokumentu: | article |
| ISSN: | 1734-4492 2353-9003 |
| DOI: | 10.2478/ijame-2020-0020 |
| Popis: | The objective of the present work is to investigate the influence of nanoparticles of copper within the base fluid (water) on magneto-hydrodynamic mixed-convection flow in a square cavity with internal generation. A control finite volume method and SIMPLER algorithm are used in the numerical calculations. The geometry is a lid-driven square cavity with four interior square adiabatic obstacles. A uniform heat source is located in a part of the left wall and a part of the right wall of the enclosure is maintained at cooler temperature while the remaining parts of the two walls are thermally insulated. Both the upper and bottom walls of the cavity are considered to be adiabatic. A comparison with previously published works shows a very good agreement. It is observed that the Richardson number, Ri, significantly alters the behavior of streamlines when increased from 0.1 to 100.0 . Also, the heat source position parameter, D , significantly changes the pattern of isotherms and its strength shifted when D moves from 0.3 to 0.7 . |
| Databáze: | Directory of Open Access Journals |
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