Application of genetic algorithm to multi-stage compressor aerodynamic optimization design;
遗传算法在多级压气机气动优化设计中的应用
Fast Three-Dimensional Numerical Study of Multi-Stage Compressor;
多级压气机快速三维数值模拟研究
The detailed unsteady flow field in a multi-stage compressor has been obtained by dual time step.
通过双时间步求解三维非定常N-S方程,获取多级压气机内部非定常流场细节,为深刻认识多级、逆压环境下叶轮机内部非定常流动特征,进而提高其性能提供有益参考,分析结果表明:动/静叶排相干对下游静子叶片表面压力分布影响随着半径增大而增大;当上游尾迹输运至下游叶片通道时,低能量气流团将会充分与主流掺混,可能导致损失增加,当上游尾迹区域输运至下游静子前缘时,对应的叶栅通道低马赫数区域相对较小;由于下游静子叶片的位势作用,其对上游转子叶片尾缘流动结构产生较大影响,随着流面半径增大,下游叶片对上游流场的位势作用愈明显,非定常分离流动形式差别愈大。
Numerical simulation to three-dimensional turbulent flow in multistage axial compressor blade row is carried out,where high resolution third-order ENN scheme is adopted to catch the shockwave and simulate the turbulent flow correctly,and LU-SGS implicit method is chosen to improve computation rate.
对多级轴流压气机叶栅内三维紊流流场进行数值模拟,采用高精度高分辨率的三阶ENN格式以保证对激波的捕捉和对紊流特征的正确模拟,利用LU-SGS隐式解法提高了计算速度,从而构成了一种既准确又高效的多级跨声速轴流压气机紊流流动数值求解系统。
As a part of the system of computer design and analysis for multi-stage centrifugal compressor, a numerical method and computer code for performance prediction of multistage centrifugal compressor at design and off-design conditions have been presented firstly.
多级离心压气机变工况性能预估及Ｓ＿２流面矩阵解秦立森，赵晓路（中国科学院工程热物理研究所北京１０００８０）关键词多级离心压气机，性能预估，Ｓ２流面利用数值计算对多级离心压气机在设ｈ和ｌ「设计工况下的性能进行预测和分析的方法，比较快速、经济。
Numerical Simulation Study on Multistage Compressor Performance with Changing Tip Clearance
叶顶间隙变化对多级压气机性能影响的数值研究
Monitoring of stage-pressurization characteristics for multistage axial flow compressors and its applications
多级轴流压气机级增压特性监控及其应用
single-cylinder two stage air compressor
单气缸双级空气压缩机
Application and Study of the Multi-pulse Gas Loading Fracturing on Horizontal Well
水平井多级脉冲气体加载压裂机理研究与应用
Method of optimization of a stator vane setting in multistage axial-flow compressors
多级轴流压气机变几何扩稳优化方法研究
An engineering method for predicting off-design performance of multistage axial compressors
一种多级轴流压气机特性预测的工程方法
two-stage stationary air compressor
二级固定式空气压缩机
two-stage rotary air compressor
二级旋转式空气压缩机
Development of Software System for Multi-Stage Centrifugal Compressor Aerodynamics Design and Application in Two-Stage Centrifugal Compressor;
多级离心压气机设计软件开发及其在双级离心压气机设计中的应用示范
Numerical Simulation of Axial Clearance Bleeding Effect on a Multistage Axial-flow Compressor Flow-field and Performance;
轴向间隙引气对多级轴流压气机性能及流场影响的数值模拟
STUDY OF MULTI-STAGE LOW-REACTION HIGHLY LOADED AXIAL COMPRESSOR AND ITS INTERNAL FLOW MECHANISM
多级低反动度高负荷轴流压气机及其内部流动机理研究
Aerodynamic Optimization Design of Vaned Diffuser for Centrifugal Compressor under Stage Environment
级环境下离心压气机扩压器叶片气动优化设计
Retrofit of Forth- stage Valves for 4M22-154/162 Type CO2 Compressors
4M22-154/162二氧化碳压缩机四级气阀改造
NUMERICAL INVESTIGATION OF FLOW FIELD IN A 1.5-STAGE TRANSONIC COMPRESSOR
1.5级跨音速压气机内部流场数值分析
Dipole Source Identification in Last Stage of Propylene Compressor
丙烯压缩机末级偶极子气动声源识别
INTERSTAGE WATER INJECTION TECHNOLOGY FOR CRACKING GAS COMPRESSOR IN ETHYLENE PLANT
乙烯装置裂解气压缩机级间注水技术
Analysis of the flow in return vanes of a two-stage centrifugal compressor
双级离心压气机回流器流动特点分析
Experiment Research of Two-Stage Centrifugal Compressor s Characteristic with Wet Compression;
两级离心式压气机湿压缩特性的实验研究