Stability analysis of hydraulic networks in heatingand air conditioning system摘要为研究不同网络连接方式和系统调节方式对系统水力稳定性的影响,采用一个通用的水力稳定性定量分析指标对常用的异程系统、同程系统、分布式变频泵系统、混水系统以及环形网的稳定性作了分析比较,得出了可供供热空调水系统设计和运行调节参考的结论。关键词:稳定性/水系统/集中供热/控制/设计AbstractAdopts a general criterion evaluating the hydraulic stability of several types of networks including direct return, reverse return, distributed-pumps and loop networks in detail, which reveals the stability differences between these networks and the factor