Modeling of the optimum tilt of a solar chimney for maximum air flow
作者： E.P. Sakonidou , T.D. Karapantsios , A.I. Balouktsis , D. Chassapis
DOI: 10.1016/J.SOLENER.2007.03.001
关键词: Solar irradiance 、 Solar chimney 、 Irradiance 、 Mechanics 、 Stack effect 、 Optics 、 Chimney 、 Glazing 、 Airflow 、 Environmental science 、 Tilt (optics)
摘要: The aim of this work is to develop a mathematical model determine the tilt that maximizes natural air flow inside solar chimney using daily irradiance data on horizontal plane at site. starts by calculating hourly irradiation components (direct, diffuse, ground-reflected) absorbed varying and height for given time (day year, hour) place (latitude). In doing so it computes transmittance absorbance glazing various tilts. predicts temperature velocity as well temperatures black painted absorber. Comparisons predictions with CFD calculations delineate usefulness model. addition, there good agreement between theoretical experiments performed 1 m long different positions.
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