New possibilities of using spin rigs to provide gas turbine engine strength reliability

Abstract

The main tasks of using spin rigs for carrying out certification, engineering and technological tests of gas turbine engine parts and assemblies are formulated. Specific design features of spin rigs are described in the paper. The main characteristics of the spin rigs used at CIAM are presented. The peculiarities of carrying out different tests using spin rigs and the main requirements for rigs are discussed. Examples of using spin rigs for carrying out tests are given. Examples of using the rigs are given, among them are tests intended to confirm the rotor load capacity or technological hardening of the rotor material; equivalent-cyclic tests to confirm the rotor life; investigation of the  vibration properties of rotating parts (optimization of structural damping of vibrations and specifying high-cycle fatigue of rotating blades, etc.); tests carried out to confirm the containment of rotor fragments in the engine casing and to determine the  rotor integrity under the impact of bird or other foreign objects sucked in the engine gas-air flow duct. The necessity of combining spin rig tests with calculations and physical investigations is shown. The main directions of updating spin rigs are considered. In particular, the necessity of developing rigs for different tests of engine fans with high bypass ratios; perfecting rigs and testing procedures for high-cycle fatigue investigations of rotating blades; producing the equipment for thermal cycling tests of rotor parts, especially parts made of composite or ceramic materials; investigation of vibrations in the conditions of rotor-stator contact; improvement of hardware and methods. 

About the authors

Yu. A. Nozhnitsky

Central Institute of Aviation Motors named after P.I. Baranov, Moscow

Author for correspondence.
Email: nozhnitsky@ciam.ru

Doctor of Science (Engineering)

Deputy General Director

Russian Federation

Yu. A. Fedina

Central Institute of Aviation Motors named after P.I. Baranov, Moscow

Email: fedina@ciam.ru

Candidate of Science (Engineering)

Head of Sector

Russian Federation

D. V. Shadrin

Central Institute of Aviation Motors named after P.I. Baranov, Moscow

Email: shadrin@ciam.ru

Head of Sector

Russian Federation

A. N. Servetnik

Central Institute of Aviation Motors named after P.I. Baranov, Moscow

Email: servetnik@ciam.ru

Senior Engineer

Russian Federation

B. A. Baluev

Central Institute of Aviation Motors named after P.I. Baranov, Moscow

Email: baluev@rtc.ciam.ru

Candidate of Science (Engineering)

Head of Department

Russian Federation

A. V. Kanachkin

Central Institute of Aviation Motors named after P.I. Baranov, Moscow

Email: avim@ciam.ru

Head of Sector

Russian Federation

A. R. Lepeshkin

Central Institute of Aviation Motors named after P.I. Baranov, Moscow

Email: lepeshkin@rtc.ciam.ru

Doctor of Science (Engineering)

Head of Sector

Russian Federation

A. A. Tomashev

Central Institute of Aviation Motors named after P.I. Baranov, Moscow

Email: avim@ciam.ru

Second-rank engineer

Russian Federation

S. A. Chernyshev

Central Institute of Aviation Motors named after P.I. Baranov, Moscow

Email: dsr-lcf@rtc.ciam.ru

Rig Supervisor

Russian Federation

References

  1. Nozhnitsky Y.A., Fedina Y.A., Rekin A.D., Petrov N.I. Ceramic Gas Turbine Component Development Experience at the Central Institute of Aviation Motors. Ceramic Gas Turbine Design and Test Experience. 2002. V. 1. P. 669-682.
  2. Nozhnitsky Yu.A., Karimbaev K.D., Servetnik A.N. Numerical Simulation of Spin Testing for Turbo Machine Disks Using Energy-based Fracture Criteria. Proceedings of the ASME Turbo Expo. 2012. V. 7, Iss. Parts A and B. P. 35-40. doi: 10.1115/GT2012-68953
  3. Nozhnitsky Y.A., Lokshtanov E.A., Dolgopolov I.N., Shashurin, G.V., Volkov M.E., Tsykunov N.V., Ganelin I.I. Probabilistic prediction of aviation engine critical parts lifetime. Proceedings of the ASME Turbo Expo. 2006. V. 5 Part B. P. 1025-1034. doi: 10.1115/GT2006-91350
  4. Nozhnitsky Y.A., Tumanov N.V. Prevention of Low Cycle Fatigue Fracture of Aviation Engine Critical Parts. 28th Congress of the International Council of the Aeronautical Sciences 2012, ICAS 2012. V. 3. P. 2449-2456.
  5. Nozhnitsky Y.A., Shadrin D.V., Fedina Y.A. Vibration Strength Increase of Rotating Blades Using Dynamic Spin Rigs. 28th Congress of the International Council of the Aeronautical Sciences 2012, ICAS 2012. V. 3. P. 2435-2442.
  6. Nozhnitsky Y.A., FedinaY.A., Shadrin D.V. Investigation of structural damping of turbomashine blade vibrations using dynamic spin rigs. Vestnik of the Samara State Aerospace University. 2012. No. 3(34), part 1. P. 314-320. (In Russ.)
  7. Lepeshkin A., Bychkov N., Vaganov P., Nozhnitsky Y., Baluev B. The Blade Releasing Method for Test of Engine Casing Containment. ASME International Mechanical Engineering Congress and Exposition, Proceedings (IMECE). 2013. V. 1. doi: 10.1115/IMECE2013-63749

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