期刊
ENERGY AND BUILDINGS
卷 32, 期 1, 页码 71-79出版社
ELSEVIER SCIENCE SA
DOI: 10.1016/S0378-7788(99)00038-9
关键词
natural ventilation; solar chimney; tracer gas; thermal model
The use of solar chimneys in buildings is one way to increment natural ventilation and, as a consequence, to improve indoor air quality. They are similar to conventional chimneys except that the south wall is replaced by a glazing. In order to compare the behaviour of a solar chimney with a conventional one, one of each was built in Porto. Results of measurements carried out in both chimneys are shown in this paper, as well as results of a thermal model specially developed for simulating solar chimneys, taking into account the wind effect. It was concluded that there is a significant increase in ventilation rate with solar chimneys, and that the thermal model predicts with good accuracy the measurements carried out. (C) 2000 Elsevier Science S.A. All rights reserved.
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