[1]李峥嵘,傅 强,钱必华,等.上海某办公楼土壤源热泵系统冬季运行特性实测分析[J].西安建筑科技大学学报:自然科学版,2015,47(03):413-417,432.[doi:10.15986/j.1006-7930.2015.03.019]
　LI Zhengrong,FU Qiang,QIAN Bihua,et al.Winter performance analysis for a ground-coupled heat pump system of an office building in Shanghai[J].J.Xi’an Univ. of Arch. & Tech.:Natural Science Edition,2015,47(03):413-417,432.[doi:10.15986/j.1006-7930.2015.03.019]
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上海某办公楼土壤源热泵系统冬季运行特性实测分析()
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西安建筑科技大学学报:自然科学版[ISSN:1006-7930/CN:61-1295/TU]

卷:
47
期数:
2015年03期
页码:
413-417,432
栏目:
出版日期:
2015-06-30

文章信息/Info

Title:
Winter performance analysis for a ground-coupled heat pump system of an office building in Shanghai
文章编号:
1006-7930(2015)03-0413-05
作者:
李峥嵘1; 傅 强1; 钱必华2; 刘递多1
(1.同济大学暖通空调及燃气研究所,上海 200092;2.同济大学建筑设计研究院(集团)
Author(s):
LI Zhengrong 1;  FU Qiang 1;  QIAN Bihua 2;  LIU Diduo 1
(1. HVAC and gas institute, School of Mechanical Engineering, Tongji University, Shanghai 200092,China 2. Architectural design and research institute of Tongji University, Shanghai 200092,China)
关键词:
长期监测; 能效比; 日均部分负荷率; 地埋管出水温度; 用户侧出水温度
Keywords:
daily performance factor;  partial load ratio;  buried pipes outlet water temperature;  user-side supply water temperature
分类号:
TU375.1
DOI:
10.15986/j.1006-7930.2015.03.019
文献标志码:
A
摘要:
通过对上海市某办公楼土壤源热泵系统冬季工况的长期监测，分析了土壤源热泵系统在上海市办公类建筑下的长期运行特性．监测结果显示，冬季工况下，日均部分负荷率有80%的时间都处于40%-80%负荷率下，40%负荷率的时间最长， 占整个冬季工况的23.3%．机组能效比为3.8-6.7，系统能效比为1.9-4.7．能效比不仅受部分负荷率和地埋管出水温度影响， 受用户侧出水温度影响也较大．因此基于建筑负荷，合理设置机组和水泵开启台数及合理设置用户侧出水温度对土壤源热泵系统高效运行具有重要意义．
Abstract:
Based on the work of on-site monitoring under winter condition, the long-term operation performance of an office building with ground-coupled heat pump system in Shanghai is analyzed. The result shows, during the monitoring period, the daily average partial load ratio (PLR) of the ground heat pump system was almost at 40%-80%, accounting for about 80% of the winter-time. And the value of PLR was mostly at 40%, about 23.2% of the winter-time; the unit daily performance factor (DPF) was between 3.8 and 6.7, and the system DPF was varying from 1.9 to 4.7. Furthermore, it is found that the DPF was affected by not only the PLR, but also by the user-side supply water temperature. Therefore, based on the building load, rational operation of unit and pump as well as rational setting of user-side supply water temperature are significant to the high operating performance of the ground-coupled heat pump system.

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备注/Memo

备注/Memo:
收稿日期：2014-12-29   修改稿日期：2015-06-16
基金项目：“十二五”国家科技支撑计划项目（2011BAJ03B02-1）
作者简介：李峥嵘（1969-），女，博士，教授，主要从事建筑节能方面的研究．E-mail：lizhengrong@tongji.edu.cn
更新日期/Last Update: 2015-09-01