Numerical analysis of laminar natural convection in isosceles triangular enclosures

Proceedings of the Institution of Mechanical Engineers, Part C: Journal of Mechanical Engineering Science

Volumn 223, Issue 5, 2009, Pages 1157-1169

  Kent, E F ^a  

^a ISTANBUL TECHNICAL UNIVERSITY   (Turkey)

Author keywords

Isosceles triangular enclosures; Natural convection; Nusselt number; Rayleigh number

Indexed keywords

ATTIC SPACES; CELLULAR FLOW; COMPUTATIONAL ANALYSIS; DISCRETIZATIONS; FINITE-VOLUME METHOD; GOVERNING EQUATIONS; INCLINED WALLS; ISOSCELES TRIANGULAR; ISOSCELES TRIANGULAR ENCLOSURES; LAMINAR NATURAL CONVECTION; RAYLEIGH NUMBER; SOLAR ENGINEERING; SOLAR STILLS; STREAMLINE PATTERN; TEMPERATURE PROFILES; THERMAL BOUNDARY CONDITIONS; TRIANGULAR CAVITIES;

ASPECT RATIO; ATMOSPHERIC TEMPERATURE; DISTILLATION; ENCLOSURES; FLOW FIELDS; HEAT EXCHANGERS; NATURAL CONVECTION; NUSSELT NUMBER; SOLAR HEATING; WALLS (STRUCTURAL PARTITIONS); WATER HEATERS;

SOLAR WATER HEATERS;

EID: 69249118627     PISSN: 09544062     EISSN: None     Source Type: Journal    
DOI: 10.1243/09544062JMES1122     Document Type: Article

References (34)

1. Ridouane, El. H. and Campo, A. Heightened thermal convection as a result of splitting a square cavity diagonally in half. J. Electron. Packag., 2006, 128, 251-258.
2. Kaushik, S. C, Kumar, R., Garg, H. P., and Prakash, J. Transient analysis of a triangular built-in-storage solar water-heater under winter conditions. Heat Recovery Syst.CHP, 1994, 14, 337-341.
3. Ecevit, A., Alshariah, A. M., and Apaydin E. D. Triangular built-in-storage solar water heater. Sol. Energy, 1989, 42, 253-265.
4. Joudi, K. A., Hussein, I. A., and Farhan, A. A. Computational model for a prism shaped storage solar collector with a right triangular cross section. Energy Convers. Manage., 2004, 45, 391-409.
5. Omrl, A., Orfi, J., and Nasrallah, S. B. Natural convection effects in solar stills. Desalination, 2005, 183, 173-178.
6. Omri, A., Najjari, M., and Nasrallah, S. B. Numerical analysis of natural buoyancy-induced regimes in isosceles triangular cavities. Numer. Heat Transf. A, 2007, 52, 661-678.
7. Omri, A. Numerical investigation on optimization of a solar distiller dimensions. Desalination, 2007, 206, 373-379.
8. Hajri, 1., Omri, A., and Nasrallah, S. B. A numerical model for the simulation of double-diffusive natural convection in a triangular cavity using equal order and control volume based on the finite element method. Desalination, 2007, 206, 579-588.
9. Chengwang, L. and Patterson, J. C. Unsteady natural convection in a triangular enclosure induced by absorption of radiation. J. Fluid Mech., 2002, 460, 181-209.
10. Asan, H. and Namli, L. Laminar natural convection in a pitched roof of triangular cross-section: summer day boundary conditions. Energy Build., 2000, 33, 69-73.
11. Asan, H. and Namli, L. Laminar natural convection in a pitched roof of triangular cross-section: winter day boundary conditions. Energy Build., 2001, 33, 753-757.
12. Ridouane, EL H., Campo A., and McGarry, M. Numerical computation of buoyant airflows confined to attic spaces under opposing hot and cold wall conditions. Int. J. Therm. Set, 2005, 44, 944-952.
13. Haese, P. M. and Teubner, M. D. Heat exchange in an attic space. Int. J Heat Mass Transf., 2002, 45, 4925-4936.
14. Flack, R. D., Konopnicki, T. T., and Rooke, J. H. The measurement of natural convective heat transfer in triangular enclosures. J. Heat Transf., 1979, 101, 648-654.
15. Akinsete, V. A. and Coleman, T. A. Heat transfer by steady laminar free convection in triangular enclosures. Int. J. Heat Mass Transf, 1982, 25, 991-998.
16. Poulikakos, D. and Bejan, A. The fluid mechanics of an attic space. J. Fluid Mech., 1983, 131, 251-269.
17. Karyakin, Y. E., Sokovishin, A., and Martynenko, O. G. Transient natural convection in triangular enclosures. Int. J. Heat Mass Transf, 1988, 31,1759-1766.
18. del Campo, E. M., Sen, M., and Ramos, E. Analysis of laminar natural convection in a triangular enclosure. Numer. Heat Transf, 1988, 13, 353-372.
19. Flack, R. D., Brun, K., and Schnipke, R. J. Measurement and prediction of natural convection velocities in triangular enclosures. Int. J. Heat Fluid Flow, 1995, 16, 106-113.
20. Holtzman, G. A, Hill, R. W., and Ball, K. S. Laminar natural convection in isosceles triangular enclosures heated from below and symmetrically cooled from above. J. Heat Transf, 2000, 122, 712-717.
21. Salmun, H. The stability of a single-cell steady-state solution in a triangular enclosure. Int. J. Heat Mass Transf, 1995, 38, 363-369.
22. Varol, Y., Koca, A., and Oztop, H. F. Natural convection heat transfer in Gambrel roofs. Build. Environ., 2007, 42, 1291-1297.
23. Varol, Y., Koca, A., and Oztop, H. F. Natural convection in a triangle enclosure with flush mounted heater on the wall. Int. Commun. Heat Mass Transf., 33, 2006, 951-958.
24. Tzeng, S. C, Liou, J. H., and Jou, R. Y. Numerical simulation-aided parametric analysis of natural convection in a roof of triangular enclosures. Heat Transf. Eng., 26, 69-79.
25. Ridouane, El H., Campo, A., and Hasnaoui, M. Benefits derivable from connecting the bottom and top walls of attic enclosures with insulated vertical side walls. Numer. Heat Transf. A, 2006, 49, 175-193.
26. Ridouane, EL H. and Campo, A. Effects of attaching baffles onto the inclined walls of attic frames for purposes of energy conservation. Heat Transf. Eng., 2007, 28, 103-111.
27. Kent, E. E, Asmaz, E., and Ozerbay, S. Finite element solution of natural convection in triangular enclosures. 4th International Conference on Computational Heat and Mass Transfer, Paris, France, 17-20 May 2005, pp. 45-47.
28. Basak, T., Roy, S., and Thirumalesha, C. Finite element analysis of steady natural convection in triangular enclosure: effects of various thermal boundary conditions. Chem. Eng. Sci., 2007, 62, 2623-2640.
29. Kent, E. E, Asmaz, E., and Ozerbay, S. Laminar natural convection in right triangular enclosures. Heat Mass Transf, 2007, 44,187-200.
30. Ridouane, El. H., Campo, A., and Hasnaoui, M. Turbulent natural convection in an air-filled isosceles triangular enclosure. Int. J. Heat Fluid Flow, 2005, 27, 476-489.
31. Ridouane, El. H. and Campo, A. Formation of a pitchfork bifurcation in thermal convection flow inside an isosceles cavity. Phys. Fluids, 2006,18, 0741021-0741028.
32. Gray, D. D. and Giorgini, A. The validity of the Boussi-nesq approximation for liquids and gases. Int. J. Heat Mass Transf, 1976,19, 545-551.
33. FLUENT 6.0.12 2001. Fluent Inc. Cavendish Court Lebanon, NH 03766, USA.
34. Flack, R. D. The experimental measurement of natural convection heat transfer in triangular enclosures heated or cooled from below. J. Heat Transf, 1980,102, 770-772.