T型槽柱面气膜密封CFD数值分析  

CFD Numerical Simulation of T Slot Cylinder Gas Film Seal

作　　者：苏泽辉 刘美红[1] 

机构地区：[1]昆明理工大学,云南昆明650500

出　　处：《流体机械》2016年第7期33-37,共5页Fluid Machinery

基　　金：国家自然科学基金项目(51165014);云南省科技计划项目(2012FB130);云南省教育厅科学研究基金项目(2012Y540)

摘　　要：阐述了柱面气膜密封的性能特点,用Proe建立了无槽模型、T型槽模型,用专业网格划分软件Hypermesh划分网格,在Fluent中分析了操作参数对2种柱面气膜密封的影响,结果表明T型槽结构具有更好的动压效应,转速、介质粘度和压差等操作参数对柱面气膜密封性能有较大影响。Expounds the characteristics of the cylinder gas film seal,No slot model and T slot model were set up by using the Proe,Models were meshed with professional software Hypermesh,The operation parameters on the influence of two kinds of cylin-der gas film seal was analyzed by the fluent software,The results show that T slot structure has the better dynamic pressure effect, Operating parameters of speed,medium viscosity and differential pressure has great influence on sealing performance of cylinder gas film seal.

关 键 词：柱面气膜 FLUENT T型槽 动压效应 

分 类 号：TH117.2[机械工程—机械设计及理论] V233.42[航空宇航科学与技术—航空宇航推进理论与工程]