技术中心

电磁阀通断控制的风机盘管水系统整体水力和热力特性分析 【英文篇名】 Hydraulic and thermodynamic analysis of fan-coil unit water system with on-off control valves 【作者中文名】 朱伟峰; 江亿; 【作者英文名】 By Zhu Weifeng ★ and Jiang Yi; 【作者单位】 清华大学; 【文献出处】 暖通空调, Hv 冷水系统; 水力特性; 热力特性; 【英文关键词】 fan-coil unit; chilled water system; hydraulic characteristic; thermodynamic performance; 【摘要】 介绍了瞬态电磁阀总开启率一定的情况下确定风机盘管水系统等效阻力系数变化范围的方法。分析了风机盘管水系统瞬态相对供冷量、相对水量、电磁阀开启率及相对供回水压差之间的关系。讨论了末端平均供冷量对水系统整体水力和热力特性的影响。 【英文摘要】 Describes determination of limits of the equivalent resistance coefficient in the system. Analyses the relations of relative cooling capacity, relative water flow rate, total opening proportion of solenoid valves and relative pressure difference between supply and return water. Discusses the influence of terminal average cooling capacity on hydraulic characteristics and thermodynamic performance of the water system.