技术中心

【英文篇名】 New cold regulation method of district cooling systems 【作者中文名】 闫军威; 朱冬生; 周璇; 【作者英文名】 Yan Junwei; Zhu Dongsheng and Zhou XuanSouth China University of Technology; Guangzhou; China; 【作者单位】 华南理工大学; 【文献出处】 暖通空调, Heating Ventilating 冷量调节; 供冷效率; 【英文关键词】 district cooling system; cold regulation; cooling efficiency; 【摘要】 针对区域集中供冷系统低温供水带来的主机效率不高、系统运行成本增加的问题,提出了一种新的区域集中供冷系统冷量调节方法,即用冷建筑末端空调设备的恒流量、变温差调节方法。在广州大学城区域集中供冷系统的应用结果表明,采用该调节方法能提高用冷建筑的冷水供水温度,改善主机制冷效率和整个区域的供冷效率。 【英文摘要】 Presents a kind of new cold regulation method—constant flow rate/variable temperature difference of terminal air conditioning devices—in district cooling systems (DCS) in view of some problems, such as low efficiency of chillers and high operating cost of systems caused by the low temperature water supplied in DCS. Applies the new method to the DCS of Guangzhou University Town and the result indicates that the regulation method can increase the temperature of supply water, the efficiency of the chiller and ... 【基金】 国家科技型中小企业技术创新基金资助(编号:06C6214400435);; 亚热带建筑空调系统节能理论研究项目(编号:YG-10)