Solar Radiation Allocation and Spatial Distribution in Chinese Solar Greenhouses: Model Development and Application

作者: Xiaodan Zhang , Jian Lv , Jianming Xie , Jihua Yu , Jing Zhang

DOI: 10.3390/EN13051108

关键词:

摘要: Solar radiation is the sole energy source for Chinese solar greenhouse agriculture. A favorable light environment foundation of a desirable crop growth environment, and it key in design. In this study, mathematical model established to quantitatively evaluate environment. The was developed considering shape parameters, materials’ optical properties, interior evolution, including beam radiation, diffuse multi-reflection. validated under different weather conditions, results reveal mean percentage error 1.67 10.30% clear sunny cloudy weather, respectively, determination coefficient 0.9756. By using model, allocation calculated determine availability heat-storage north wall entire greenhouse, dynamical spatial distribution obtained describe quality. These allow optimization lighting regulation planting pattern. Moreover, several optimizing measures are derived according improving low-light near maximizing wall’s heat storage/release capacity greenhouse.

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