内燃机工程2025，Vol.46Issue(3)：88-97,10.DOI:10.13949/j.cnki.nrjgc.2025.03.010
轴流压气机进气蜗壳的造型优化设计
Shape Optimization Design of Intake Volute for an Axial Flow Compressor
摘要
Abstract
An aerodynamic optimization system for axial compressor intake volute,which included parametric modeling,mesh division,numerical calculation and computational fluid dynamics(CFD)post-processing,was built based on Isight optimization platform.After the intake volute was parameterized,the optimal Latin hypercube sampling was used to obtain uniformly distributed sample points in space.The total pressure loss coefficient and the velocity unevenness of outlet surface were taken as the objective functions.The objective function values of all sample points were obtained through numerical calculation,and the elliptic basis function(EBF)neural network proxy model was established.Then the non-dominated sorting genetic algorithm-Ⅱ(NSGA-Ⅱ)with elite strategy was used to seek the optimization of the objective function.Three optimization results M1,M2 and M3 were selected on the Pareto front and compared with the original model.The calculation results show that the total pressure loss of M1,M2 and M3 and the exit velocity inhomogeneity of M1,M2 and M3 are reduced,and the secondary flow of M1,M2 and M3 is contained.After optimization of the modeling coupling deflector,the total pressure loss of the volute is further reduced,the outlet flow field is more uniform,and the aerodynamic performance of the volute is further improved.关键词
进气蜗壳/二次流损失/椭圆基函数/神经网络/多目标优化/导流器Key words
intake volute/secondary flow loss/elliptic basis function(EBF)/neural network/multi-objective optimization/deflector分类
能源科技引用本文复制引用
张振华,於可心,曹方方,楚武利,董杰忠..轴流压气机进气蜗壳的造型优化设计[J].内燃机工程,2025,46(3):88-97,10.基金项目
国家自然科学基金项目(52076179)National Natural Science Foundation of China(52076179) （52076179）
