双吸平衡式螺杆压缩机排气座的数值模拟  

Numerical Simulation of Double-suction Balance Type Screw Compressor Exhaust Seat

作　　者：王小明[1] 田青青[1] 贺忠宇 熊国良[1] 罗嗣骁 万长标[1] 

机构地区：[1]华东交通大学机电工程学院,南昌330013 [2]沈阳铁路局,沈阳110000

出　　处：《组合机床与自动化加工技术》2014年第3期131-133,共3页Modular Machine Tool & Automatic Manufacturing Technique

基　　金：国家科技部科技人员服务企业行动项目(SQ2009GJC5005668);江西省科技支撑计划项目(2010BGB00601);江西省教育厅产学研合作(GJJ10005)资助项目

摘　　要：基于标准的κ-ε方程湍流模型,采用CFD嵌入式滑移网格技术对双吸平衡式螺杆压缩机排气座进行非定常数值模拟,对其压力、温度以及涡动强度分布情况进行分析。并从不同工况下对排气座回流、涡流情况进行分析,给出排气座回流强度与压比以及阳转子转速之间的关系,从而为双吸平衡式螺杆压缩机排气口工程设计以及优化提供有利的依据。Based on the standard turbulence model of κ-ε equation,in this paper CFD sliding meshing method was applied to make the unsteady numerical simulation on the exhaust seat of double suction balance type screw compressor,and the analysis of pressure,temperature and turbulence intensity distribution situation are made.Meanwhile,by the analysis of reflux and eddy of exhaust seat under different working conditions,the relationships among reflux intensity,pressure ratio and rotor speed of Yang rotor are obtained,as a result,the simulation provides favorable basis for the screw compressor suction,exhaust engineering design and the optimization of double suction balance type screw compressor.

关 键 词：双吸平衡式 螺杆压缩机 排气座 滑移网格 数值模拟 

分 类 号：TH166[机械工程—机械制造及自动化] TG659[金属学及工艺—金属切削加工及机床]