Effect of possible rotor deformation on the probability of face contact for a liquid film bearing
The possibility of face contact is examined for a coaxial rotor-stator bearing in dynamic motion constrained by a highly rotating very thin liquid film. A modified Reynolds equation for pressurised flow is coupled to the bearing structure leading to determination of the bearing gap from solving a no...
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| Format: | Article |
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Elsevier
2017
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| Online Access: | https://eprints.nottingham.ac.uk/41322/ |
| _version_ | 1848796248251826176 |
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| author | Bailey, N.Y. Hibberd, Stephen Power, H. |
| author_facet | Bailey, N.Y. Hibberd, Stephen Power, H. |
| author_sort | Bailey, N.Y. |
| building | Nottingham Research Data Repository |
| collection | Online Access |
| description | The possibility of face contact is examined for a coaxial rotor-stator bearing in dynamic motion constrained by a highly rotating very thin liquid film. A modified Reynolds equation for pressurised flow is coupled to the bearing structure leading to determination of the bearing gap from solving a nonlinear second-order non-autonomous ordinary differential equation. Periodic solutions are found via a mapping solver. Rotor deformation is parametrised by a coning angle and considered a random variable. The method of derived distributions is used to quantify variation in coning angle and examine the probability of rotor-stator contact. Additionally, effects of possible destabilising random aspects on the axial rotor oscillations are investigated. Exact solutions for probability of contact are obtained for various bearing configurations. |
| first_indexed | 2025-11-14T19:44:58Z |
| format | Article |
| id | nottingham-41322 |
| institution | University of Nottingham Malaysia Campus |
| institution_category | Local University |
| last_indexed | 2025-11-14T19:44:58Z |
| publishDate | 2017 |
| publisher | Elsevier |
| recordtype | eprints |
| repository_type | Digital Repository |
| spelling | nottingham-413222020-05-04T19:57:20Z https://eprints.nottingham.ac.uk/41322/ Effect of possible rotor deformation on the probability of face contact for a liquid film bearing Bailey, N.Y. Hibberd, Stephen Power, H. The possibility of face contact is examined for a coaxial rotor-stator bearing in dynamic motion constrained by a highly rotating very thin liquid film. A modified Reynolds equation for pressurised flow is coupled to the bearing structure leading to determination of the bearing gap from solving a nonlinear second-order non-autonomous ordinary differential equation. Periodic solutions are found via a mapping solver. Rotor deformation is parametrised by a coning angle and considered a random variable. The method of derived distributions is used to quantify variation in coning angle and examine the probability of rotor-stator contact. Additionally, effects of possible destabilising random aspects on the axial rotor oscillations are investigated. Exact solutions for probability of contact are obtained for various bearing configurations. Elsevier 2017-05 Article PeerReviewed Bailey, N.Y., Hibberd, Stephen and Power, H. (2017) Effect of possible rotor deformation on the probability of face contact for a liquid film bearing. Tribology International, 109 . pp. 297-310. ISSN 1879-2464 Reynolds equation; Method of derived distribution; Probability density function; Face contact http://www.sciencedirect.com/science/article/pii/S0301679X16305163 doi:10.1016/j.triboint.2016.12.032 doi:10.1016/j.triboint.2016.12.032 |
| spellingShingle | Reynolds equation; Method of derived distribution; Probability density function; Face contact Bailey, N.Y. Hibberd, Stephen Power, H. Effect of possible rotor deformation on the probability of face contact for a liquid film bearing |
| title | Effect of possible rotor deformation on the probability of face contact for a liquid film bearing |
| title_full | Effect of possible rotor deformation on the probability of face contact for a liquid film bearing |
| title_fullStr | Effect of possible rotor deformation on the probability of face contact for a liquid film bearing |
| title_full_unstemmed | Effect of possible rotor deformation on the probability of face contact for a liquid film bearing |
| title_short | Effect of possible rotor deformation on the probability of face contact for a liquid film bearing |
| title_sort | effect of possible rotor deformation on the probability of face contact for a liquid film bearing |
| topic | Reynolds equation; Method of derived distribution; Probability density function; Face contact |
| url | https://eprints.nottingham.ac.uk/41322/ https://eprints.nottingham.ac.uk/41322/ https://eprints.nottingham.ac.uk/41322/ |