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Author:

张明明 (张明明.) | 李可仰 (李可仰.) | 董万静 (董万静.)

Indexed by:

Scopus PKU CSCD

Abstract:

为了尽早预测压气机旋转失速的发生,通过在进口施加进气周期干扰以达到识别旋转失速先兆的目的.以一台单级低速低压轴流压气机为研究对象,通过全周数值模拟再现了压气机旋转失速现象.在旋转进气畸变扰动下,具体分析不同干扰对压气机空间模态随分岔参数变化的影响,并考察幅值灵敏度在识别失速先兆中的作用.结果显示,在各种进气条件下压气机一阶、二阶空间模态的幅值及其灵敏度在各自不稳定边界均表现出明显增大的现象.通过监测一阶模态幅值灵敏度的演化,在进气畸变干扰的条件下,相比均匀进口条件能够提前识别出失速先兆.

Keyword:

进气畸变 压气机 空间模态 数值模拟 旋转失速

Author Community:

  • [ 1 ] [张明明]北京工业大学
  • [ 2 ] [李可仰]北京大学
  • [ 3 ] [董万静]中国舰船研究设计中心

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Source :

推进技术

ISSN: 1001-4055

Year: 2016

Issue: 5

Volume: 37

Page: 871-878

Cited Count:

WoS CC Cited Count:

SCOPUS Cited Count: 3

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count: 2

Chinese Cited Count:

30 Days PV: 0

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