Abstract
A kind of modified Jeffcott rotor/stator system was studied, both stability characteristic and reliability characteristic were analyzed while considering the influence of parameter's random distribution. A reliability formula was deduced as well as the reliability index of 0.95 is calculated by using the FORM (first order reliability method) and CMC (Crude-Monte-Carlo) method respectively. In addition, the boundary of rubbing problem is determined due to the reliability requirement. Furthermore, the effects of various parameters on the rotor steady-state response and security domain were discussed as well as the sensitivity of parameters also been considered. Finally, the solution of general rotor/stator rubbing problem is derived in the space of three parameters(coefficient of friction, speed and clearance) corresponding to the specific requirement in practice.
| Original language | English |
|---|---|
| Pages (from-to) | 1961-1967 |
| Number of pages | 7 |
| Journal | Hangkong Dongli Xuebao/Journal of Aerospace Power |
| Volume | 29 |
| Issue number | 8 |
| DOIs | |
| State | Published - 1 Aug 2014 |
Keywords
- Characteristic of random distribution
- Dynamics analysis
- Jeffcott rotor/stator system
- Reliability
- Security domain
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