王志强
Personal Homepage
Paper Publications
跨声速压气机转子叶尖非定常流动的数值模拟
Hits:

Affiliation of Author(s):能源与动力学院

Journal:航空动力学报

Key Words:叶尖泄漏流;旋转不稳定;非定常流动;流场结构;跨声速压气机;

Abstract:为了进一步加深对转子叶尖区域非定常流动现象的认识,针对某一跨声速单转子轴流压气机,采用三维非定常数值方法开展了详细研究。对单转子在不同进气条件以及不同工作流量下分别进行非定常模拟,来研究该转子叶尖区域复杂流动结构以及叶尖非定常流动的发展过程。结果表明:不同进气条件下,转子叶尖区域流场结构形式表现不同.当进口非轴向进气时,叶尖非定常流动呈单通道周期形式;而轴向进气时,叶尖区域出现了类似于"旋转不稳定"的沿周向传播的非定常流动现象,且随着工作流量的减小,叶尖区域流场结构也相应发生改变.

Translation or Not:no

Date of Publication:2017-06-27

Co-author:卢波,王剑,高翔

Correspondence Author:王志强

Personal information

Associate Professor

Gender:Male

Education Level:南京航空航天大学

Degree:Doctoral Degree in Engineering

School/Department:College of Energy and Power Engineering

Discipline:Aerospace Propulsion Theory and Engineering. Fluid Machinery and Engineering

Contact Information:13813868846

Click:

Open time:..

The Last Update Time:..


Copyright©2018- Nanjing University of Aeronautics and Astronautics·Informationization Department(Informationization Technology Center)

MOBILE Version