提高低比转数离心通风机性能的分析与试验研究

Analysis & Test Research of Improving Performance of Centrifugal Fan with Low Specific Revolution

介绍了一种高压、小流量、低比转数的离心通风机的设计与对比试验 ,对该类风机的结构和设计方案作了相关分析与研究 ,指出了影响该类风机效率的因素 ,对原风机进行了改进 ,大幅度提高了效率。

A kind of centrifugal fan with high pressure,low flowrate and low specific revolution is introduced. The relative analysis and research is carried out on the structure and design method of fan. The factor of effecting the fan efficiency is pointed out. Improvement is carried out on the original fan. The efficiency is substantially improved.