Turbine engine clearance control systems: Current practices and future directions

38th AIAA/ASME/SAE/ASEE Joint Propulsion Conference and Exhibit

Volumn , Issue , 2002, Pages

  Lattime, Scott B ^a   Steinetz, Bruce M ^a  

^a NASA GLENN RESEARCH CENTER   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

AERO GAS TURBINE ENGINES; BLADE TIP CLEARANCE; COMPONENT DEGRADATION; EXHAUST GAS TEMPERATURES; HIGH PRESSURE TURBINE; HIGH-PRESSURE COMPRESSORS; PERFORMANCE DEGRADATION; SPECIFIC FUEL CONSUMPTION;

CONTROL SYSTEMS; DESIGN; ENGINES; GAS TURBINES; PROPULSION; SEALING (FINISHING); TURBOMACHINE BLADES;

FUEL CONSUMPTION;

EID: 84896693619     PISSN: None     EISSN: None     Source Type: Conference Proceeding    
DOI: None     Document Type: Conference Paper

References (23)

1. Wiseman, M. W., Guo, T. "An Investigation of Life Extending Control Techniques for Gas Turbine Engines, " Proceedings of the American Control Conference, Arlington, VA, June 25-27, 2001.
2. Kawecki, E. J., "Thermal Response Turbine Shroud Study, " Air Force Aero Propulsion Laboratory Technical Report AFAPL-TR-79-2087, 1979.
3. Olsson, W. J., Martin, R. L., "B747/JT9D Flight Loads and Their Effect on Engine Running Clearances and Performance Deterioration; Nacelle Aerodynamic and Inertial Loads (NAIL)/JT9D Jet Engine Diagnostics Programs, " NASA CR-165573, 1982.
4. Howard, W. D., Fasching, W. A., "CF6 Jet Engine Diagnostics Program; High Pressure Turbine Roundness/Clearance Investigation, " NASA CR-165581, 1982.
5. Halila, E. E., Lenahan, D. T., Thomas, T. T., "Energy Efficient Engine, High Pressure Turbine Test Hardware Detailed Design Report, " NASA CR-167955, 1982.
6. Bureau of Transportation Statistics, 400 7th Street, SW, Room 3103, Washington, DC 20590.
7. European Regions Airline Association (ERA), "ERA Fast Facts, " September 2001.
8. Rocky Mountain Institute (RMI), "Climate, Air Travel Emissions, " 2002.
9. Martin, R. L., "Nacelle Aerodynamic and Inertial Loads (NAIL) Project, Test Report, " NASA CR-165760, 1981.
10. Gaffin, W. O., "JT9D-70/59 Improved High Pressure Turbine Active Clearance Control System, " NASA CR-159661, 1979.
11. Fasching, W. A., "CF6 Jet Engine Performance Improvement Summary Report, " NASA CR-165612, 1.
12. Kolthoff, P., "Device for Controlling Clearance Between Rotor and Shroud of a Turbine, " U. S. Patent 3, 039, 737, 1962.
13. Ciokajlo, J. J., "Blade Tip Clearance Control Apparatus Using Shroud Segment Annular Support Ring Thermal Expansion, " U. S. Patent 5, 116, 199, 1.
14. Tseng, W., Hauser, A. A., "Blade Tip Clearance Control Apparatus with Shroud Segment Position Adjustment by Unison Ring Movement, " U. S. Patent 5, 035, 573, 1991.
15. Carpenter, K. D., Wiedemer, J. D., Smith, P. A., "Rotor Blade Outer Tip Seal Apparatus, " U. S. Patent 5, 639, 210, 1997.
16. Catlow, R., "Blade Tip Clearance Control Apparatus, " U. S. Patent 5, 211, 534, 1993.
17. Wardle, R. L., "Floating Blade Shrouds, " U. S. Patent 2, 927, 724, 1960.
18. Huber, F. W., Dietrich, D. J., "Clearance Control for the Turbine of a Gas Turbine Engine, " U. S. Patent 5, 667, 359, 1997.
19. Cawley, J. D., "Oxidizing Seal for Turbine Tip Gas Path, " U. S. Patent 4, 540, 336, 1985.
20. Jorgensen, P. J., "Effect of an Electric Field on Silicon Oxidation, " The Journal of Chemical Physics, vol. 37, no. 4, 1962.
21. Electronic Code of Federal Regulations, Title 14, Aeronautics and Space, Chapter I, Federal Aviation Administration, Department of Transportation, Part 33, Airworthiness Standards: Aircraft Engines, 33. 73 Power or Thrust Response, Amdt. 33-1, 36 FR 5493, Mar. 24, 1971.
22. Eder, M., "Engine Fuel System Design Issues, " Aviation Fuels with Improved Fire Safety: A Proceedings, pp. 61-64, National Academy Press, Washington, D. C. 1997.
23. Flotow, A., Mercadal, M., Tappert, P., "Health Monitoring and Prognostics of Blades and Disks with Blade Tip Sensors, " Aerospace Conference Proceedings, IEEE, Vol. 6, pp. 433-440, 2000.