摘要
介绍压差控制下的中央空调水系统在部分负荷时末端支路存在过流、欠流现象,通过计算分析过流、欠流在末端支路上的变化趋势,指出通过改变压差控制点位置或降低空调水系统主干管的阻力损失占比可缓解末端支路的过流和欠流。
The overcurrent and undercurrent phenomenon of terminal branch of central airconditioning water system with part load under pressure difference control are introduced,and their variation tendencies are analyzed by calculation.It is pointed out that the overcurrent and undercurrent phenomenon can be relieved by moving control point of pressure difference or reducing resistance loss ratio of air-conditioning water system＇s main pipe.
出处
《制冷与空调》
2015年第7期50-53,共4页
Refrigeration and Air-Conditioning
关键词
空调
水力平衡
变流量一级泵
压差控制
阻力损失
air-conditioning
hydraulic balance
flow-variable primary pump
pressure difference control
resistance loss
