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Erschienen in:
2020 | OriginalPaper | Buchkapitel
Evaluation of Three Analytical Solar Chimney Models with Field Data
verfasst von : Shiyi Hong, Qian Wu, Wenqing Ge, Da Lv, Zhengguang Li, Guoqing He
Erschienen in: Proceedings of the 11th International Symposium on Heating, Ventilation and Air Conditioning (ISHVAC 2019)
Verlag: Springer Singapore
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Abstract
The paper reported the measured airflow rates in a solar chimney installed on a detached test house in Hangzhou. The one-week data showed that in addition to buoyancy flow enforced by the solar radiation, significant airflow was also observed in inverse conditions when the indoor temperature was higher than the outdoor temperature even with no solar radiation. Performance of three analytical models, the single-zone model, stratified model, and plume model, was examined to predict the airflow rate of the solar chimney model. The results showed that the plume model and the modified single-zone model agreed with the measurements reasonably well, while the stratified model failed to predict the airflow in inverse conditions.