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Double helical gear performance results in high speed gear trains (Document No: 20100029631)
| Content Provider | NASA Technical Reports Server (NTRS) |
|---|---|
| Author | Sinusas, Eric Handschuh, Robert F. Kilmain Sr., Charles Ehinger, Ryan |
| Copyright Year | 2010 |
| Description | The operation of high speed gearing systems in the transmissions of tiltrotor aircraft has an effect on overall propulsion system efficiency. Recent work has focused on many aspects of high-speed helical gear trains as would be used in tiltrotor aircraft such as operational characteristics, comparison of analytical predictions to experimental data and the affect of superfinishing on transmission performance. Baseline tests of an aerospace quality system have been conducted in the NASA Glenn High-Speed Helical Gear Train Test Facility and have been described in earlier studies. These earlier tests had utilized single helical gears. The results that will be described in this study are those attained using double helical gears. This type of gear mesh can be configured in this facility to either pump the air-oil environment from the center gap between the meshing gears to the outside of tooth ends or in the reverse direction. Tests were conducted with both inward and outward air-oil pumping directions. Results are compared to the earlier baseline results of single helical gears. |
| File Size | 3283647 |
| Page Count | 17 |
| File Format | |
| Alternate Webpage(s) | http://archive.org/details/NASA_NTRS_Archive_20100029631 |
| Archival Resource Key | ark:/13960/t6644qr93 |
| Language | English |
| Publisher Date | 2010-07-01 |
| Access Restriction | Open |
| Subject Keyword | Aircraft Propulsion And Power Temperature Dependence Test Facilities Tilt Rotor Aircraft Gears Propulsion System Performance Thermodynamic Efficiency Inlet Temperature Data Acquisition High Speed Aerospace Systems Ntrs Nasa Technical Reports Server (ntrs) Nasa Technical Reports Server Aerodynamics Aircraft Aerospace Engineering Aerospace Aeronautic Space Science |
| Content Type | Text |
| Resource Type | Article |
