技术中心

【英文篇名】 Experimental study of an air conditioning system directly using soil as heat sink in cold areas 【作者中文名】 郑茂余; 李忠建; 王芳; 韩宗伟; 【作者英文名】 Zheng Maoyu; Li Zhongjian; Wang Fang and Han ZongweiHarbin Institute of Technology; Harbin; China; 【作者单位】 哈尔滨工业大学; 哈尔滨工业大学 哈尔滨理工大学; 【文献出处】 暖通空调, Heating Ventilating 实验研究; 节能; 季节供冷系数; 【英文关键词】 soil direct cooling system; experimental study; energy efficiency; seasonal cooling performance factor; 【摘要】 提出了用土壤作冷源直接供冷的新构想,并在哈尔滨地区建立了相应的实验系统。经过一个供冷季的实验,该系统的季节供冷系数为9.85,平均供冷率为0.93kW,取冷井的热作用半径小于3m;本文所提出的土壤冷源直接供冷空调系统在一定的地域范围内具有较大的节能潜力。 【英文摘要】 Presents a novel conception of directly using soil as heat sink to cool buildings and establishes an experimental system in Harbin area. The experimental results during a cooling season indicate that the seasonal cooling performance factor of the system is 9.85, the average cooling rate is 0.93 kW and the effective thermal radius of the cold extraction well is less than 3 m, and that the soil direct cooling system presented has great potential in energy efficiency within a definite region.