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High-speed, high-temperature finger seal test results
| Content Provider | NASA Technical Reports Server (NTRS) |
|---|---|
| Author | Kumar, Arun Proctor, Margaret P. Delgado, Irebert R. |
| Copyright Year | 2002 |
| Description | Finger seals have significantly lower leakage rates than conventional labyrinth seals used in gas turbine engines and are expected to decrease specific fuel consumption by over 1 percent and to decrease direct operating cost by over 0.5 percent. Their compliant design accommodates shaft growth and motion due to thermal and dynamic loads with minimal wear. The cost to fabricate these finger seals is estimated to be about half the cost to fabricate brush seals. A finger seal has been tested in NASA's High Temperature, High Speed Turbine Seal Test Rig at operating conditions up to 1200 F, 1200 ft/s, and 75 psid. Static, performance and endurance test results are presented. While seal leakage and wear performance are acceptable, further design improvements are needed to reduce the seal power loss. |
| File Size | 756866 |
| Page Count | 19 |
| File Format | |
| Alternate Webpage(s) | http://archive.org/details/NASA_NTRS_Archive_20030003724 |
| Archival Resource Key | ark:/13960/t2c877t38 |
| Language | English |
| Publisher Date | 2002-07-01 |
| Access Restriction | Open |
| Subject Keyword | Aircraft Propulsion And Power Leakage Seals Stoppers Performance Tests Wear High Speed Gas Turbine Engines High Temperature Tests 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 |
