空调器柜机多翼离心风机扩压口的优化设计  

Optimal design on volute diffuser of the multi-blades centrifugal fan for packaged air conditioner

作　　者：许文明[1] 郑祖义[1,2] 陈焕新[1] 万忠民[1] 金听祥 

机构地区：[1]华中科技大学 [2]广东志高空调有限公司

出　　处：《制冷与空调》2011年第6期63-65,92,共4页Refrigeration and Air-Conditioning

基　　金：广东省经贸委技术创新项目(20101022020)

摘　　要：以某型号柜机为研究对象,采用CFD模拟技术对柜机室内机的风道系统进行三维数值模拟,通过分析风道的气流组织情况、改进原机多翼离心风机扩压口的型线、优化风道内部流场达到增大整机循环风量的目的。数值模拟结果显示,改进后的风机的风量比原机的增大5.1%。根据数值模拟结果制作手板进行实验验证,通风量由1 145 m3/h增加到1 199 m3/h,增幅为4.7%,实验结果与数值模拟结果具有较好的一致性。Carries on three dimensional numerical simulation of air duct system for packaged air conditioner using computational fluid dynamics.To elevate the airflow circulation,analyzes flow characteristic of air duct for original packaged air conditioner,improves the lines on volute diffuser of verification experiment fan,and optimizes the interior airflow of air duct system.The result of numerical simulation shows that the airflow circulation increases by 5.1%.Makes model machine and carrys on verification experiment.The airflow circulation increases from 1 145 m^3 /h to 1 199 m^3/h,and the growing rate is 4.7%.The result of experiment is mainly the same as that of the numerical simulation.

关 键 词：空调器 柜机 离心风扇 循环风量 

分 类 号：TM925.12[电气工程—电力电子与电力传动]