In this paper we present the theoretical and experimental study of a small solar chimney. The dimensions of the solar Chimney channel are 1.95 m high, 1.70 m width and 0.24 m depth. The channel of the solar chimney has in its backside a metallic plate as a solar heat absorber, and it is attached to a concrete wall, which acts as a storage and thermal isolation. On the front part of the chimney there is a glass plate used to decrease the heat losses to the exterior. Because the metallic plate is heated, air circulates from the lower side to the top side of the chimney channel. For the theoretical study, the steady state energy balance equations were solved for each element of the solar chimney following the methodology proposed by Ong in 2003 [8]. A numerical code was developed and reduced to cases of literature in order to validate it (Ong and Chow in 2003 [12]). The results showed the temperature distributions of the glass, the air inside the channel and the metallic plate. Also, the air mass flow rate was determined. For an hourly Irradiance of 400 W/m2, the efficiency of the solar chimney decreased from 38 to 15% as the height of the chimney increased from 0.25 to 1.95 m.
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ASME 2010 4th International Conference on Energy Sustainability
May 17–22, 2010
Phoenix, Arizona, USA
Conference Sponsors:
- Advanced Energy Systems Division and Solar Energy Division
ISBN:
978-0-7918-4395-6
PROCEEDINGS PAPER
A Simulation of the Thermal Performance of a Small Solar Chimney Already Installed in a Building Available to Purchase
J. Arce,
J. Arce
CENIDET - Centro Nacional de Investigacio´n y Desarrollo Tecnolo´gico, Cuernavaca, MOR, Me´xico
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J. P. Xama´n,
J. P. Xama´n
CENIDET - Centro Nacional de Investigacio´n y Desarrollo Tecnolo´gico, Cuernavaca, MOR, Me´xico
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G. Alvarez,
G. Alvarez
CENIDET - Centro Nacional de Investigacio´n y Desarrollo Tecnolo´gico, Cuernavaca, MOR, Me´xico
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M. J. Jime´nez,
M. J. Jime´nez
CIEMAT - Centro de Investigaciones Energe´ticas, Medioambientales y Tecnolo´gicas, Madrid, Spain
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R. Enri´quez,
R. Enri´quez
CIEMAT - Centro de Investigaciones Energe´ticas, Medioambientales y Tecnolo´gicas, Madrid, Spain
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M. R. Heras
M. R. Heras
CIEMAT - Centro de Investigaciones Energe´ticas, Medioambientales y Tecnolo´gicas, Madrid, Spain
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J. Arce
CENIDET - Centro Nacional de Investigacio´n y Desarrollo Tecnolo´gico, Cuernavaca, MOR, Me´xico
J. P. Xama´n
CENIDET - Centro Nacional de Investigacio´n y Desarrollo Tecnolo´gico, Cuernavaca, MOR, Me´xico
G. Alvarez
CENIDET - Centro Nacional de Investigacio´n y Desarrollo Tecnolo´gico, Cuernavaca, MOR, Me´xico
M. J. Jime´nez
CIEMAT - Centro de Investigaciones Energe´ticas, Medioambientales y Tecnolo´gicas, Madrid, Spain
R. Enri´quez
CIEMAT - Centro de Investigaciones Energe´ticas, Medioambientales y Tecnolo´gicas, Madrid, Spain
M. R. Heras
CIEMAT - Centro de Investigaciones Energe´ticas, Medioambientales y Tecnolo´gicas, Madrid, Spain
Paper No:
ES2010-90271, pp. 337-347; 11 pages
Published Online:
December 22, 2010
Citation
Arce, J, Xama´n, JP, Alvarez, G, Jime´nez, MJ, Enri´quez, R, & Heras, MR. "A Simulation of the Thermal Performance of a Small Solar Chimney Already Installed in a Building." Proceedings of the ASME 2010 4th International Conference on Energy Sustainability. ASME 2010 4th International Conference on Energy Sustainability, Volume 2. Phoenix, Arizona, USA. May 17–22, 2010. pp. 337-347. ASME. https://doi.org/10.1115/ES2010-90271
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