摘要
本文讨论了扩压器与回流器对离心式压缩机运行范围及稳定性的影响,提出应用双叶栅叶片回流器改善稳定性及运行范围。通过CFD仿真及实验证明,用双叶栅叶片回流器/无叶扩压器方案替代单叶栅叶片回流器/无叶扩压器方案,可将压缩机实际运行范围扩展15%左右。
The effect of diffuser and return channel on the stability and operation range of centrifugal compressors is discussed. Then it is referred that using the double cascade vaned return channel can improve the stability and operation range. Through the CFD simulation and experiment, it is proved that the real operation range of the compressors can be improved about 15% when using the scheme of vaneless diffuser plus double cascade vaned return channel instead of using the scheme ofvaneless diffuser plus vaned return channel.
出处
《制冷技术》
2015年第3期56-60,共5页
Chinese Journal of Refrigeration Technology
基金
国家科技支撑计划课题"新型温湿度独立控制空调系统关键技术研究与设备开发"(No.2014BAJ02B01)
关键词
离心式压缩机
双叶栅叶片回流器
无叶扩压器
运行范围
Centrifugal compressor
Double cascade vaned return channel
Vaneless diffuser
Operation range
