化工学报2012,Vol.63Issue(12):3956-3964,9.DOI:10.3969/j.issn.0438-1157.2012.12.031
多级轴流压气机失稳及喘振的三维数值模拟与分析
Three-dimensional numerical simulation and analysis for instability and surge of a multilevel axial compressor
摘要
Abstract
Three-dimensional axial compressor model is established by using the method of mesh in Gambit and the different boundary of compressed N-S equation is evaluated. Based on the turbulent model of standard model k-e of double equation,diversified through the finite volume method and calculated by that the characteristic curve of compressor is plotted with the data of Fluent algorithm and classic formula algorithm. Then through the simulation validates the reliability of the three-dimensional numerical simulation,analysis the instability process of compressor under different rotating speed in the rotating stall and surge characteristics and recovery calculation process after instability. Finally,imported the active actuator close coupled valve (CCV),compressor characteristic curve of non-dimensional flow and pressure is changed because of the different CCV opening. It reduces the least flow of compressor in other words,the result of importing CCV is that the characteristic curve of compressor moves to the left,and expands the steady operating areas of compressor greatly. It is important for avoiding instability.关键词
轴流压气机/三维数值模拟/失稳/N-S方程/CCVKey words
axial compression system/three-dimensional numerical simulation-, instability/N-S equation/CCV分类
机械制造引用本文复制引用
赵决正,罗雄麟..多级轴流压气机失稳及喘振的三维数值模拟与分析[J].化工学报,2012,63(12):3956-3964,9.基金项目
国家自然科学基金项目(21006127) (21006127)
国家重点基础研究发展计划项目(2012CB720500). (2012CB720500)