Solar chimney and building ventilation

This study is concerned with the design of a solar chimney to induce ventilation in a building. CFD modelling techniques were used to assess the impacts of inclination angle, double glazing and low-emissivity finishes on the induced ventilation rate. It was found that for a south-facing chimney, an...

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Bibliographic Details
Published in:Applied energy 2007-02, Vol.84 (2), p.135-146
Main Authors: Harris, D.J., Helwig, N.
Format: Article
Language:English
Subjects:
Applied sciences
Building
Building Energy Solar Chimney Ventilation
Chimney
Energy
Exact sciences and technology
Natural energy
Solar
Solar energy
Solar thermal conversion
Solar thermal power plants
Ventilation
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Summary:This study is concerned with the design of a solar chimney to induce ventilation in a building. CFD modelling techniques were used to assess the impacts of inclination angle, double glazing and low-emissivity finishes on the induced ventilation rate. It was found that for a south-facing chimney, an inclination angle of 67.5° from the horizontal was optimum for the location chosen, giving 11% greater efficiency than the vertical chimney, and that a 10% higher efficiency was obtained by using a low-emissivity wall surface.
ISSN:0306-2619
1872-9118
DOI:10.1016/j.apenergy.2006.07.001