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Computational fluid dynamics for modeling the turbulent natural convection in a double air-channel solar chimney system

Author

Listed:
  • I. Zavala-Guillén

    (Centro Nacional de Investigación y Desarrollo Tecnológico CENIDET-TecNM-SEP, Prol. Av. Palmira S/N. Col. Palmira, Cuernavaca, Morelos, CP 62490, México)

  • J. Xamán

    (Centro Nacional de Investigación y Desarrollo Tecnológico CENIDET-TecNM-SEP, Prol. Av. Palmira S/N. Col. Palmira, Cuernavaca, Morelos, CP 62490, México)

  • G. Álvarez

    (Centro Nacional de Investigación y Desarrollo Tecnológico CENIDET-TecNM-SEP, Prol. Av. Palmira S/N. Col. Palmira, Cuernavaca, Morelos, CP 62490, México)

  • J. Arce

    (Centro Nacional de Investigación y Desarrollo Tecnológico CENIDET-TecNM-SEP, Prol. Av. Palmira S/N. Col. Palmira, Cuernavaca, Morelos, CP 62490, México)

  • I. Hernández-Pérez

    (Centro Nacional de Investigación y Desarrollo Tecnológico CENIDET-TecNM-SEP, Prol. Av. Palmira S/N. Col. Palmira, Cuernavaca, Morelos, CP 62490, México)

  • M. Gijón-Rivera

    (Instituto Tecnológico y de Estudios Superiores de Monterrey, Mechanical Engineering Department, Vía Atlixcáyotl 2301, Reserva Territorial Atlixcáyotl Puebla, Puebla, CP 72453, México)

Abstract

This study reports the modeling of the turbulent natural convection in a double air-channel solar chimney (SC-DC) and its comparison with a single air-channel solar chimney (SC-C). Prediction of the mass flow and the thermal behavior of the SC-DC were obtained under three different climates of Mexico during one summer day. The climates correspond to: tropical savannah (Mérida), arid desert (Hermosillo) and temperate with warm summer (Mexico City). A code based on the Finite Volume Method was developed and a k−ω turbulence model has been used to model air turbulence in the solar chimney (SC). The code was validated against experimental data. The results indicate that during the day the SC-DC extracts about 50% more mass flow than the SC-C. When the SC-DC is located in Mérida, Hermosillo and Mexico City, the air-changes extracted along the day were 60, 63 and 52, respectively. The air temperature at the outlet of the chimney increased up to 33%, 38% and 61% with respect to the temperature it has at the inlet for Mérida, Hermosillo and Mexico City, respectively.

Suggested Citation

  • I. Zavala-Guillén & J. Xamán & G. Álvarez & J. Arce & I. Hernández-Pérez & M. Gijón-Rivera, 2016. "Computational fluid dynamics for modeling the turbulent natural convection in a double air-channel solar chimney system," International Journal of Modern Physics C (IJMPC), World Scientific Publishing Co. Pte. Ltd., vol. 27(08), pages 1-19, August.
    • Handle: RePEc:wsi:ijmpcx:v:27:y:2016:i:08:n:s0129183116500959
    DOI: 10.1142/S0129183116500959
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    Citations

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    Cited by:

    1. Vargas-López, R. & Xamán, J. & Hernández-Pérez, I. & Arce, J. & Zavala-Guillén, I. & Jiménez, M.J. & Heras, M.R., 2019. "Mathematical models of solar chimneys with a phase change material for ventilation of buildings: A review using global energy balance," Energy, Elsevier, vol. 170(C), pages 683-708.
    2. Xamán, J. & Vargas-López, R. & Gijón-Rivera, M. & Zavala-Guillén, I. & Jiménez, M.J. & Arce, J., 2019. "Transient thermal analysis of a solar chimney for buildings with three different types of absorbing materials: Copper plate/PCM/concrete wall," Renewable Energy, Elsevier, vol. 136(C), pages 139-158.
    3. Zavala-Guillén, I. & Xamán, J. & Hernández-Pérez, I. & Hernández-Lopéz, I. & Gijón-Rivera, M. & Chávez, Y., 2018. "Numerical study of the optimum width of 2a diurnal double air-channel solar chimney," Energy, Elsevier, vol. 147(C), pages 403-417.

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