摘要
建立双循环水流窗模型,以深圳地区某空调房间为例,通过数值模拟的方法分析系统的运行能效、建筑节能潜力和静态投资回收期。结果表明,与双层玻璃幕墙相比,双循环水流窗可削减室内得热量和空调制冷负荷;当内层水流层的入口水温≤20.0℃时,水流窗内表面温度低于室内温度,起到供冷作用;双循环水流窗适用于制冷季长、气温高的地区;内层水流层入口水温的下降,有利于内层水流循环得热量的增加,对外层水流循环的吸热效率的影响较小;双循环水流窗在特定气候条件下的静态投资回收期在8年以内。研究结果可为双循环水流窗进一步的研究和应用提供理论基础。
The model of double-circulation water-flow window is built up,and the operation energy efficiency of system,energy-saving potential of building and static pay-back period is analyzed by numerical simulation,taking one air-conditioning room in Shenzhen as example.The results show that compared with the two panes of glass curtain,the double-circulation water-flow window can reduce indoor gained heat and cooling load of air-conditioning.The internal surface temperature of water-flow window would be lower than the indoor temperature when the inlet water temperature of inner water-flow interlayer is lower than 20.0℃,which can be used for cooling.The double-circulation water-flow window is suitable for the regions with longer cooling season and higher ambient temperature.The decrease of inlet water temperature of inner water-flow interlayer is beneficial for the increase of gained heat of the inner water-flow circulation,but it has little influence on thermal absorption efficiency of external water-flow circulation.The static pay-back period of the double-circulation water-flow window under certain climate conditions is within 8 years.The study results can provide a theoretical basis for further research and application of the double-circulation water-flow window.
作者
李春莹
李翠敏
仇中柱
吕原丽
Li Chunying;Li Cuimin;Qiu Zhongzhu;Lv Yuanli(Shenzhen Universit;Suzhou University of Science and Technology;Shanghai University of Electric Power;Xihua University)
出处
《制冷与空调》
2020年第7期35-41,共7页
Refrigeration and Air-Conditioning
基金
北京建筑大学北京未来城市设计高精尖创新中心(未来“城市-建筑”设计理论与探索实践研究,UDC2018010411)
江苏省住房和城乡建设厅(2018年度省建设系统科技项目——《江苏省绿色校园建设技术导则》,2018ZD356)
《夏热冬冷地区超高层绿色公共建筑技术导则》,2018ZD358。
关键词
太阳能建筑一体化
主动式太阳能建筑
被动式太阳能建筑
双循环水流窗
室内热环境
solar building integration
active solar building
passive solar building
double-circulation water-flow window
indoor thermal environment
