Flow reversal effects on buoyancy induced air flow in a solar chimney

Solar Energy

Volumn 86, Issue 9, 2012, Pages 2783-2794

  Khanal, Rakesh ^a   Lei, Chengwang ^a  

^a UNIVERSITY OF SYDNEY   (Australia)

Author keywords

Natural convection; Penetration depth; Reverse flow; Solar chimney; Ventilation

Indexed keywords

AIR FLOW; CONTROLLING PARAMETERS; FLOW REVERSALS; INCLINATION ANGLES; MASS FLOW RATE; NEW DESIGN; NUMERICAL INVESTIGATIONS; NUMERICAL RESULTS; RAYLEIGH NUMBER; REVERSE FLOW; VISUALIZATION EXPERIMENT;

AIR; ASPECT RATIO; BUOYANCY; FLOW VISUALIZATION; NATURAL CONVECTION; PENETRATION DEPTH (SUPERCONDUCTIVITY); VENTILATION;

SOLAR CHIMNEYS;

AIRFLOW; BUOYANCY; DESIGN; RAYLEIGH NUMBER; SOLAR POWER; VENTILATION;

EID: 84865592750     PISSN: 0038092X     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.solener.2012.06.015     Document Type: Article

References (23)

1. Andreozzi A., Buonomo B., Manca O. Thermal and fluid dynamic behaviours in symmetrical heated channel-chimney systems. International Journal of Numerical Methods for Heat and Fluid Flow 2010, 20:811-833.
2. Arce J., Jiménez M.J., Guzmán J.D., Heras M.R., Alvarez G., Xamán J. Experimental study for natural ventilation on a solar chimney. Renewable Energy 2009, 34:2928-2934.
3. Armfield S.W., Patterson J.C., Lin W. Scaling investigation of the natural convection boundary layer on an evenly heated plate. International Journal of Heat and Mass Transfer 2007, 50:1592-1602.
4. Bassiouny R., Koura N.S.A. An analytical and numerical study of solar chimney use for room ventilation. Energy and Buildings 2008, 40:865-873.
5. Bacharoudis E., Vrachopoulos M.G., Koukou M.K., Margaris D., Filios A.E., Mavrommatis S.A. Study of the natural convection phenomena inside a wall solar chimney with one wall adiabatic and one wall under a heat flux. Applied Thermal Engineering 2007, 27:2266-2275.
6. Bansal N.K., Mathur J., Mathur S., Jain M. Modeling of window-sized solar chimneys for ventilation. Building and Environment 2005, 40:1302-1308.
7. Burek S.A.M., Habeb A. Air flow and thermal efficiency characteristics in solar chimneys and trombe walls. Energy and Buildings 2007, 39:128-135.
8. Chantawong P., Hirunlabh J., Zeghmati B., Khedari J., Teekasap S., Win M.M. Investigation on thermal performance of glazed solar chimney walls. Solar Energy 2006, 80:288-297.
9. Chen Z.D., Bandopadhayay P., Halldorsson J., Byrjalsen C., Heiselberg P., Li Y. An experimental investigation of a solar chimney model with uniform wall heat flux. Building and Environment 2003, 38:893-906.
10. Drori U., Dubovsky V., Ziskind G. Experimental verification of induced ventilation. Journal of Environmental Engineering 2005, 131:820-826.
11. Gan G. Simulation of buoyancy-induced flow in open cavities for natural ventilation. Energy and Buildings 2006, 38:410-420.
12. Gan G., Riffat S.B. A numerical study of solar chimney for natural ventilation of buildings with heat recovery. Applied Thermal Engineering 1998, 18:1171-1187.
13. Jörg O., Scorer R.S. An experimental study of cold inflow into chimneys. Atmospheric Environment 1967, 1. 645-646, IN643-IN645, 647-654.
14. Khanal R., Lei C. A numerical investigation of the ventilation performance of a solar chimney. ANZIAM Journal 2011, 52:C899-C913.
15. Khanal R., Lei C. Solar chimney-a passive strategy for natural ventilation. Energy and Buildings 2011, 43:1811-1819.
16. Lin W., Armfield SW. Unsteady natural convection on an evenly heated vertical plate for Prandtl number Pr<1. Physical Review E 2005, 72:66309-66317.
17. Marcondes F., Maliska C. Treatment of the inlet boundary bonditions in natural -convection flows in open-ended channels. Numerical Heat Transfer, Part B: Fundamentals 1999, 35:317-345.
18. Mathur J., Bansal N.K., Mathur S., Jain M., Anupma Experimental investigations on solar chimney for room ventilation. Solar Energy 2006, 80:927-935.
19. Moshfegh B., Sandberg M. Investigation of fluid flow and heat transfer in a vertical channel heated from one side by PV elements Part I-Numerical study. Renewable Energy 1996, 8:248-253.
20. Patankar S.V. Numerical Heat Transfer and Fluid Flow 1980, Hemisphere Publishing Corporation, New York.
21. Sparrow E.M., Chrysler G.M., Azevedo L.F. Observed flow reversals and measured-predicted Nusselt numbers for natural convection in a one-sided heated vertical channel. Journal of Heat Transfer 1984, 106:325-332.
22. Zamora B., Kaiser A.S. Optimum wall-to-wall spacing in solar chimney shaped channels in natural convection by numerical investigation. Applied Thermal Engineering 2009, 29:762-769.
23. Zhai X.Q., Song Z.P., Wang R.Z. A review for the applications of solar chimneys in buildings. Renewable and Sustainable Energy Reviews 2011, 15:3757-3767.