技术中心

【英文篇名】 Application performances of ordinary fan-coil unit to water systems with large temperature difference 【作者中文名】 仲华; 张青; 朱平; 马伟骏; 胡仰耆; 杨国荣; 郁惟昌; 【作者英文名】 Zhong Hua Zhang Qing Zhu Ping Mo Weijun Hu Yangqi Yong Guorong Yu Weichang Shanghai Bai Fu Qin Air Conditioning Ltd.; Shanghai; China; 【作者单位】 上海百富勤空调（集团）有限公司; 华东建筑设计研究院; 上海新晃空调有限公司; 【文献出处】 暖通空调, Heating Ventilating 风机盘管; 大水温差; 阻力; 【英文关键词】 ordinary temperature difference; fan-coil; large temperature difference; resistance; 【摘要】 应用经验证的数值方法研究了常水温差风机盘管在不同进水温度和水温差工况下,盘管制冷量、传热系数、传热温差、析湿因数、盘管阻力的特性。分析了水温差和进水温度对制冷量的影响,并得出经济冷水温差。研究表明,大水温差运行工况造成盘管水阻力迅速降低,易引起空调系统水力失衡。常水温差的风机盘管机组应用于大水温差工况是不合适的,应该开发大水温差专用的机组才能满足节能的需要。 【英文摘要】 Studies the performance of cooling capacity,heat transfer coefficient,heat transfer temperature difference,ratio of total capacity to sensible capacity,water flow resistance of ordinary fan-coil under different inlet water temperature and temperature difference conditions by a verified numerical method.Analyses the influence of inlet water temperature and temperature difference on refrigerating capacity,and obtains the optimal chilled water temperature difference.The results show that the water flow resista... 【基金】 上海百富勤空调(集团)有限公司和华东建筑设计研究院合作项目