外遮阳对连栋塑料温室内光环境的影响研究  

Investigation of effects of outer shading screens on illumination inside multi-span greenhouse

作　　者：沈明卫[1] 郝飞麟[1] 

机构地区：[1]浙江大学生物系统工程与食品科学学院,杭州310029

出　　处：《农业工程学报》2003年第6期245-247,共3页Transactions of the Chinese Society of Agricultural Engineering

基　　金：国家自然科学基金资助项目 (50 1 751 0 1 )

摘　　要：为探索外遮阳网材料对温室内光环境的影响 ,借助热辐射的相关理论 ,在详细分析太阳辐射在温室内传播过程的基础上 ,建立了在外遮阳覆盖条件下连栋塑料温室内光环境的预测模型。通过对相同透射率、不同反射率外遮阳材料覆盖下模型温室内光照度的测试显示 :模拟结果和实测值吻合较好 ,且遮阳网的反射率越高 ,温室内光照环境越好。In order to clarify how the physical properties of an outer-shading screen effect the solar radiation environment inside a greenhouse, a study, based on heat radiation theory, was undertaken. After making a detailed analysis of the transfer pathways of solar radiation inside the greenhouse, a model was developed for the multi-span plastic greenhouse equipped with outer shading screens. The experiment, which was conducted in a small-scale greenhouse, showed that when using different screen materials with the same transmittance but different reflectance, a greenhouse shaded with higher reflectance material has better illumination inside. The measured results are in close agreement with the simulated results.

关 键 词：外遮阳 连栋温室 光环境 

分 类 号：S625.51[农业科学—园艺学]