| 土壤源热泵供冷供热运行特性的实验研究 |
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| 引用本文： | 杨卫波,施明恒,陈振乾. 土壤源热泵供冷供热运行特性的实验研究[J]. 东南大学学报(自然科学版), 2009, 39(2) |
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| 作者姓名： | 杨卫波 施明恒 陈振乾 |
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| 作者单位： | 扬州大学能源与动力工程学院,扬州,225009;东南大学能源与环境学院,南京,210096 |
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| 基金项目： | 建设部研究开发项目，国家自然科学基金，扬州大学优秀青年骨干教师计划资助项目 |
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| 摘 要： | 在已建成的太阳能-地热能综合利用多功能热泵实验台上,进行了土壤源热泵夏冬季节供冷供热工况的启动与间断运行特性实验.实测结果表明:实验土壤源热泵夏冬季运行的启动时间分别为8～9 h与10 h,其对应的单位长度埋管放热量与吸热量分别为46与24.6 W/m,钻孔平均导热系数分别为3.4与4.95 W/(m·℃).同时,根据建筑负荷特性,采用可控间断运行方式,通过合理调节开停机时间比例,可以在满足建筑负荷要求的前提下,减缓埋管周围土壤温度随时间的变化率,提高单位埋管的换热能力,从而更有利于提高浅层地热能的利用效率.
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| 关 键 词： | 土壤源热泵 供冷供热 启动特性 间断运行 实验研究 |
Experimental study on operation characteristics of ground coupled heat pump operated in cooling and heating mode |
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| Yang Weibo,Shi Mingheng,Chen Zhenqian. Experimental study on operation characteristics of ground coupled heat pump operated in cooling and heating mode[J]. Journal of Southeast University(Natural Science Edition), 2009, 39(2) |
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| Authors: | Yang Weibo Shi Mingheng Chen Zhenqian |
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| Affiliation: | 1School of Energy and Power Engineering;Yangzhou University;Yangzhou 225009;China;2 School of Energy and Environment;Southeast University;Nanjing 210096;China |
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| Abstract: | An experimental study on the startup and intermittent operation characteristics of a ground-coupled heat pump operated in cooling and heating mode,respectively was performed in a solar-geothermal multifunctional heat pump experiment system.The measurements indicate that the startup period of the experimental ground-coupled heat pump are about 8 to 9 h and 10 h for cooling and heating mode,respectively,the corresponding average heat flux per unit buried coil length are about 46 and 24.6 W/m and the average t... |
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| Keywords: | ground-coupled heat pump cooling and heating startup characteristic intermittent operation mode experimental study |
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