文章基本信息

标题：Performance Analysis of Rectangular Earth-Air Tunnel System used for Air-Conditioning of the College Classroom
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作者：Arshdeep Singh ; Ranjit Singh
期刊名称：Journal of Energy Technologies and Policy
印刷版ISSN：2225-0573
电子版ISSN：2225-0573
出版年度：2015
卷号：5
期号：4
页码：18-25
语种：English
出版社：Journal of Energy Technologies and Policy
摘要：The present paper discusses the designing of metallic earth-air tunnel system taking under consideration all the variables like cooling load, heating load of the classroom, optimum underground temperature, and weight of the soil acting on the underground duct. Duct is of Zigzag pattern and its cross-section is of square shape. The zigzag pattern resulted in less area occupied and shorter length of the duct required for proper air-conditioning effect. Part of the duct leading to the classroom is insulated in order to stop the temperature change of the conditioned air after coming in contact with atmospheric conditions. The results showed a 13 o C reduction in temperature during summers. Heating effect in winters was relatively less, with just 5 o C increase in temperature.
关键词：Ground Temperature Estimation; Metallic Duct; Heating and cooling Load; Pressure Drop in the Duct; Year Average C.O.P.