The Fatigue Life Assessment of PZL-130 Orlik Structures Based on Historical Usage Data

• Autorzy: Leski A. , Klimaszewski S. , Kurdelski M.

Identyfikatory

DOI

10.2478/v10164-010-0012-z

• Języki publikacji: EN

Abstrakty

EN

Material fatigue is the basic factor limiting aircraft's durability. It comes from the fact that changing loads affect aircraft structure as well as from the fact that aircraft’s mass restrictions do not allow for diminishing stress to the level when material fatigue does not occur. Estimating fatigue durability of a particular structure as well as its actual fatigue damage degree is possible when the history of loads affecting the structure is known. Accuracy of loads monitoring influences the accuracy of indicated fatigue wear. In case of older structures, which have been maintained according to safe life principle, the number of hours have been commonly used as a fatigue wear indicator. After aircraft structure reaches flying time estimated by the produces, it is considered as fatigue wear and it is no longer in service. In case of a lack of results of loads spectrum measurements, results of tests conducted for other aircraft (of similar structure and assignment) can be used. For this purpose, average loads spectrum has been elaborated for particular aircraft groups, for example, HELIX, FELIX, FALSTAFF, ENSTAFF, TWIST(10). In the case of small aircraft, the data from FAA (2) report have been often used. This article describes the way of fatigue wear estimation for PZL-130 Orlik aircraft on the basis of historical data from flight recorders.

Słowa kluczowe

EN

aircraft structure; fatigue; usage profile

• Wydawca: Wydawnictwa Naukowe Sieci Badawczej Łukasiewicz - Instytutu Lotnictwa
• Czasopismo: Fatigue of Aircraft Structures
• Rocznik: 2009
• Tom: Iss. 1
• Strony: 131--139
• Opis fizyczny: Bibliogr. 17 poz., rys., wykr., wzory

Twórcy

autor

Leski A.

• Air Force Institute of Technology, Warsaw, Poland

autor

Klimaszewski S.

• Air Force Institute of Technology, Warsaw, Poland

autor

Kurdelski M.

• Air Force Institute of Technology, Warsaw, Poland

Bibliografia

• 1. United States Air Force. (1978, January). Individual Aircraft Tracking Methods for Fighter Aircraft Utilizing Counting Accelerometer Data. Ohio: Air Force Flight Dynamics Lab. Wright-Patterson Air Force Base. (AFFDL-TM-78-1-FBE)
• 2. FAA. (1973). Fatigue Evaluation of Wing and Associated Structure on Small Airplanes. (AFS-120-73-2)
• 3. Veldman Ray J. & Peckham C. (1982, October). Loads and Dynamics Branch Structures Division. In Handbook of Military Aircraft Design Normal Load Factor Exceedance Data. Ohio: Aeronautical Systems Division Wright-Patterson Air Force Base.
• 4. U. K. Ministry of Defence, (1999, December). Design and Airworthiness Requirements for Service Aircraft. DEF STAN 00-970, Issue 2. Directorate of Standardization, U. K.
• 5. FAA. (2000, March). Statistical Loads Data for B-767-200ER Aircraft in Commercial Operations. U.S. Department of Transportation. (DOT/FAA/AR-00/10)
• 6. FAA. (2001, August). Statistical Loads Data for Cessna 172 Aircraft Using the Aircraft Cumulative Fatigue System (ACFS). U.S. Department of Transportation. (DOT/FAA/AR-01/44)
• 7. FAA. (2003, June). Statistical Loads Data for the Airbus A-320 Aircraft in Commercial Operations. U.S. Department of Transportation. (DOT/FAA/AR-02/35)
• 8. FAA. (2003, June). Statistical Loads Data for Bombardier CRJ100 Aircraft in Commercial Operations. U.S. Department of Transportation. (DOT/FAA/AR-03/44)
• 9. FAA. (1996, December). Variation in Load Factor Experience - a Re-analysis of Fokker F27 and F28 Operational Acceleration Data. U.S. Department of Transportation. (DOT/FAA/AR-96/114)
• 10. Aircher W. & Branger J. (1976, March). A Description of a Fighter Aircraft Loading Standard for Fatigue Evaluation (FALSTAFF). Joint publication by F+W (Schwitzerland), LBF and IABG (Germany) and NLR (The Netherlands).
• 11. van Dijk, G.M., & de Jonge, J. B. (1975, May). Introduction to a Fighter Aircraft Loading Standard For Fatigue Evaluations (FALSTAFF). National Aerospace Laboratory Netherlands. (NLR MP 75017 U).
• 12. de Jonge, J. B. (1982). The Analysis of Load-Time Histories by Means of Counting Methods. National Aerospace Laboratory Netherlands. (NLR MP 82039 U).
• 13. Klimaszewski, S., Leski, A., & Zurek, J. (2003). The Role of AFIT in the Polish Aging Military Aircraft Programs. In: Proceedings of the 7th Joint FAA/DoD/NASA Conference on Aging Aircraft, , 9-11 September 2003, New Orleans.
• 14. Leski, A., Klimaszewski, S., & Kurdelski, M. (2008). Optimization of Fatigue Life of the PZL-130 Orlik’s Structure. In: Proceedings of EngOpt 2008: International Conference on Engineering Optimization. 01-05 June 2008, Rio de Janeiro, Brazil.
• 15. Damage Severity of Monitored Fatigue Load Spectra. (1992, January). National Aerospace Laboratory Netherlands. (NLR TP 92009 U)
• 16. Rice, R. C., Jackson, J., Bakuckas, J., & Thompson, S. (2003). Metallic Materials Properties Development and Standardization (MMPDS). FAA. (DOT/FAA/AR-MMPDS-01)
• 17. Swanton, G., & Walker, K. (1997). Development of Transfer Functions to Relate F-111 Aircraft Fatigue Data Analysis System (AFDAS) Strain Outputs to Loads and Control Point Stresses. Melbourne, Australia. (DSTO-TR-0563)

Uwagi

EN

The work was performed within the framework of Research Project N N509 0845 33 sponsored by the Polish Ministry of Science and Higher Education.