Research of self-oscillation characteristics of check valve flow-path system(PDF)
《火箭推进》[ISSN:1672-9374/CN:CN 61-1436/V]
- Issue:
- 2011年03期
- Page:
- 1-5
- Research Field:
- 研究与设计
- Publishing date:
Info
- Title:
- Research of self-oscillation characteristics of check valve flow-path system
- Author(s):
- LIU Shang; LIU Hong-jun; XU Hao-hai; CHENG Ya-wei; DUAN Jie; LI Chun-hong
- Xi’an Aerospace Propulsion Institute, Xi’an 710100, China
- Keywords:
- check valve; nonlinear system; self-oscillation; experiment validation; stability
- PACS:
- V433-34
- DOI:
- -
- Abstract:
- In order to investigate the self-oscillation phenomenon of the check valve system happening in the hydraulic experiments, a nonlinear dynamics model was established to describe the dynamic process of the system. The limit cycle oscillation was emerged under specified conditions through the simulation tests. It is found by the numerical calculation that the system is local stable but unstable in large scale. The simulation results agree well with the experimental ones. The reasons why the sytem produces self-oscillation, the infuencing fctors of self-oscillation and the measures restraining the self-oscillation are analyzed.
Last Update: 1900-01-01