Numerical investigation of Cu-water nanofluid natural convection and entropy generation within a cavity with an embedded conductive baffle

Scientia Iranica

Volumn 19, Issue 6, 2012, Pages 1996-2003

  Khorasanizadeh, H ^a   Amani, J ^a   Nikfar, M ^a  

^a UNIVERSITY OF KASHAN   (Iran)

Author keywords

Conductive baffle; Entropy generation; Irreversibility factor; Nanofluid; Numerical study

Indexed keywords

ENTROPY; FINITE VOLUME METHOD; NANOPARTICLES; NATURAL CONVECTION; NUSSELT NUMBER; VOLUME FRACTION;

CONDUCTIVE BAFFLE; ENTROPY GENERATION; IRREVERSIBILITY FACTOR; NANOFLUIDS; NUMERICAL STUDY;

NANOFLUIDICS;

ALGORITHM; CONDUCTIVITY; CONVECTION; COPPER; ENTROPY; FINITE VOLUME METHOD; NANOTECHNOLOGY; RAYLEIGH NUMBER; VISCOSITY; VOLUME;

EID: 84871951720     PISSN: 10263098     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.scient.2012.07.018     Document Type: Article

References (30)

1. U. Narusawa The second-law analysis of convective pattern change in a rectangular cavity J. Fluid Mech. 392 1999 361 377
2. M. Magherbi, H. Abbassi, and A. Ben Brahim Entropy generation at the onset of natural convection Int. J. Heat Mass Transfer 46 2003 3441 3450
3. A. Andreozzi, A. Auletta, and O. Manca Entropy generation in natural convection in a symmetrically and uniformly heated vertical channel Int. J. Heat Mass Transfer 49 2006 3221 3228
4. M. Famouri, and K. Hooman Entropy generation for natural convection by heated partitions in a cavity Int. Commun. Heat Mass Transfer 35 2008 492 502
5. Y. Varol, H.F. Oztop, and A. Koca Entropy generation due to conjugate natural convection in enclosures bounded by vertical solid walls with different thicknesses Int. Commun. Heat Mass Transfer 35 2008 648 656
6. R.D.C. Oliveski, M.H. Macagnan, and J.B. Copetti Entropy generation and natural convection in rectangular cavities Appl. Therm. Eng. 29 2009 1417 1425
7. M. Alipanah, P. Hasannasab, S.F. Hosseinizadeh, and M. Darbandi Entropy generation for compressible natural convection with high gradient temperature in a square cavity Int. Commun. Heat Mass Transfer 37 2010 1388 1395
8. A. Mukhopadhyay Analysis of entropy generation due to natural convection in square enclosures with multiple discrete heat sources Int. Commun. Heat Mass Transfer 37 2010 867 872
9. R.S. Kaluri, and T. Basak Analysis of entropy generation for distributed heating in processing of materials by thermal convection Int. J. Heat Mass Transfer 54 2011 2578 2594
10. G.G. Ilis, M. Mobedi, and B. Sunden Effect of aspect ratio on entropy generation in a rectangular cavity with differentially heated vertical walls Int. Commun. Heat Mass Transfer 35 2008 696 703
11. M. Bouabid, M. Magherbi, N. Hidouri, and A. Ben Brahim Entropy generation at natural convection in an inclined rectangular cavity Entropy 13 2011 1020 1033
12. E. Bilgen Natural convection in cavities with a thin fin on the hot wall Int. J. Heat Mass Transfer 48 2005 3493 3505
13. A. Ben-Nakhi, and A.J. Chamkha Conjugate natural convection in a square enclosure with inclined thin fin of arbitrary length Int. J. Therm. Sci. 46 2007 467 478
14. P. Kandaswamy, J. Lee, A.K. Abdul Hakeem, and S. Saravanan Effect of baffle-cavity ratios on buoyancy convection in a cavity with mutually orthogonal heated baffles Int. J. Heat Mass Transfer 51 2008 1830 1837
15. K. Khanafer, K. Vafai, and M. Lightstone Buoyancy-driven heat transfer enhancement in a two-dimensional enclosure utilizing nanofluids Int. J. Heat Mass Transfer 46 2003 3639 3653
16. P.K. Singh, K.B. Anoop, T. Sundararajan, and S.K. Das Entropy generation due to flow and heat transfer in nanofluids Int. J. Heat Mass Transfer 53 2010 4757 4767
17. S.M. Aminossadati, and B. Ghasemi Natural convection cooling of a localised heat source at the bottom of a nanofluid-filled enclosure Eur. J. Mech. B 28 2009 630 640
18. H.F. Oztop, and E. Abu-Nada Numerical study of natural convection in partially heated rectangular enclosures filled with nanofluids Int. J. Heat Fluid Flow 29 5 2008 1326 1336
19. C.J. Ho, M.W. Chen, and Z.W. Li Numerical simulation of natural convection of nanofluid in a square enclosure: effects due to uncertainties of viscosity and thermal conductivity Int. J. Heat Mass Transfer 51 2008 4506 4516
20. E. Abu-Nada, and A.J. Chamkha Effect of nanofluid variable properties on natural convection in enclosures filled with a CuO-EG-water nanofluid Int. J. Therm. Sci. 49 2010 2339 2352
21. K. Khanafer, and K. Vafai A critical synthesis of thermophysical characteristics of nanofluids Int. J. Heat Mass Transfer 54 2011 4410 4428
22. H.C. Brinkman The viscosity of concentrated suspensions and solutions J. Chem. Phys. 20 1952 571 581
23. J.C.A. Maxwell Treatise on Electricity and Magnetism 2nd Edn. 1881 Clarendon Press Oxford, UK
24. E. Abu-nada, and H. Oztop Effect of inclination angle on natural convection in enclosures filled with Cu-water nanofluid Int. J. Heat Fluid Flow 30 2009 669 678
25. B. Ghasemi, and S.M. Aminossadati Periodic natural convection in a nanofluid filled enclosure with oscillating heat flux Int. J. Therm. Sci. 49 2010 1 9
26. M. Mahmoodi Numerical simulation of free convection of a nanofluid in L-shaped cavities Int. J. Therm. Sci. 50 2011 1731 1740
27. Y. Xuan, and Q. Li Heat transfer enhancement of nanofluids Int. J. Heat Fluid Flow 2000 58 64
28. B. Gebhart, Y. Jaluria, R.L. Mahajan, and B. Sammakia Buoyancy-induced Flow and Transport 1988 Hemisphere Washington
29. A. Bejan Entropy Generation Minimization 1995 CRC Press New York
30. S.V. Patankar Numerical Heat Transfer and Fluid Flow 1980 Hemisphere Publishing Corporation, Taylor and Francis Group New York