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Revista hábitat sustentable

versión On-line ISSN 0719-0700

Resumen

RODRIGUEZ TREJO, Sandra  y  FUENTES FREIXANET, Víctor. CFD SIMULATION OF AN INCLINED ROOF SOLAR CHIMNEY. Rev. hábitat sustentable [online]. 2021, vol.11, n.2, pp.72-81. ISSN 0719-0700.  http://dx.doi.org/10.22320/07190700.2021.11.02.06.

In recent years, energy consumption from electrical devices to foster air movement in regions with warm climates has risen, with the resulting negative impact on the environment. The purpose of this paper is to evaluate the performance of a solar chimney used to induce natural ventilation in a closed space, under the weather conditions of the hot humid Mexican climate. For this purpose, CFD simulations were run using the RNG k- e turbulence model and the DO radiation model, considering only natural convection phenomena. The solar chimney performance was evaluated, comparing the results of the simulations with experimental measurements, analysis which showed a good match. Temperatures of up to 46.5%°C in the air within the chimney, and of 77.1°C on the absorption plate, were obtained, results that allow verifying the influence of the heat discharge phenomenon by the natural flotation of air in the chimney.

Palabras clave : solar energy; ventilation; CFD simulation.

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