EFFECT OF PARTIAL ROTOR-TO-STATOR RUB ON SHAFT VIBRATION
Hassan, S., Haddara, M., Abouzaid, M. (1986). EFFECT OF PARTIAL ROTOR-TO-STATOR RUB ON SHAFT VIBRATION. EKB Journal Management System, 2(2nd Conference on Applied Mechanical Engineering.), 173-182. doi: 10.21608/amme.1986.56812
S. D. Hassan; M. R. Haddara; M. A. Abouzaid. "EFFECT OF PARTIAL ROTOR-TO-STATOR RUB ON SHAFT VIBRATION". EKB Journal Management System, 2, 2nd Conference on Applied Mechanical Engineering., 1986, 173-182. doi: 10.21608/amme.1986.56812
Hassan, S., Haddara, M., Abouzaid, M. (1986). 'EFFECT OF PARTIAL ROTOR-TO-STATOR RUB ON SHAFT VIBRATION', EKB Journal Management System, 2(2nd Conference on Applied Mechanical Engineering.), pp. 173-182. doi: 10.21608/amme.1986.56812
Hassan, S., Haddara, M., Abouzaid, M. EFFECT OF PARTIAL ROTOR-TO-STATOR RUB ON SHAFT VIBRATION. EKB Journal Management System, 1986; 2(2nd Conference on Applied Mechanical Engineering.): 173-182. doi: 10.21608/amme.1986.56812

EFFECT OF PARTIAL ROTOR-TO-STATOR RUB ON SHAFT VIBRATION

The International Conference on Applied Mechanics and Mechanical Engineering
Article 8, Volume 2, 2nd Conference on Applied Mechanical Engineering., May 1986, Page 173-182  XML PDF (2.72 MB)
Document Type: Original Article
DOI: 10.21608/amme.1986.56812
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Authors
S. D. Hassan1; M. R. Haddara2; M. A. Abouzaid2
1Cairo University - Faculty of engineering,
2Kuwait institute of technology.
Abstract
The effect of partial rotor-to-stator rubbing is studied both experimentally and analytically. The measured vibration signal
is distorted showing a flattenned portion of the waveform.' Spectral analysis indicated that light rubbing induced vibration is characterized by harmonics at frequencies equal to 1/rev., 2/rev. and 3/rev. Severe rubbing is identified by a spectrum containing subharmonics at 1/3, 2/3 of the rotational frequency. The synchronous component is generally attenuated as a result of rubbing introduced friction. Because of the stiffening effect of rubbing on the rotor, the resonance frequency is further delayed. The results obtained analytically show good qualitative agreement with the experimentally obtained ones.
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