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Investigation of bearing fatigue damage life prediction using oil debris monitoring
| Content Provider | NASA Technical Reports Server (NTRS) |
|---|---|
| Author | Dempsey, Paula J. Bolander, Nathan Haynes Sr., Chris Toms, Allison M. |
| Copyright Year | 2011 |
| Description | Research was performed to determine if a diagnostic tool for detecting fatigue damage of helicopter tapered roller bearings can be used to determine remaining useful life (RUL). The taper roller bearings under study were installed on the tail gearbox (TGB) output shaft of UH- 60M helicopters, removed from the helicopters and subsequently installed in a bearing spall propagation test rig. The diagnostic tool was developed and evaluated experimentally by collecting oil debris data during spall progression tests on four bearings. During each test, data from an on-line, in-line, inductance type oil debris sensor was monitored and recorded for the occurrence of pitting damage. Results from the four bearings tested indicate that measuring the debris generated when a bearing outer race begins to spall can be used to indicate bearing damage progression and remaining bearing life. |
| File Size | 582530 |
| Page Count | 18 |
| File Format | |
| Alternate Webpage(s) | http://archive.org/details/NASA_NTRS_Archive_20110023753 |
| Archival Resource Key | ark:/13960/t2g78ch69 |
| Language | English |
| Publisher Date | 2011-11-01 |
| Access Restriction | Open |
| Subject Keyword | Aeronautics (general) Inductance Data Acquisition Roller Bearings Helicopters Life Durability Fatigue Materials Predictions Rotary Wing Aircraft Detection Transmissions Machine Elements Shafts Machine Elements Ntrs Nasa Technical Reports Server (ntrs) Nasa Technical Reports Server Aerodynamics Aircraft Aerospace Engineering Aerospace Aeronautic Space Science |
| Content Type | Text |
| Resource Type | Technical Report |
