Application of the phase reproduction method to the analysis of an avionic event on board of the W-3 "Sokół" helicopter

• Autorzy: Kowalski M.
• Języki publikacji: EN

Abstrakty

EN

This paper presents a new approach to the study of events/cases of the use of so-called air mapping phase. The examinations were carried out by means of the selective method on the basis of data for basic operational parameters acquired from the both driving units of the W-3 "Sokół" helicopter. The analysis covered quality of information received from the S2-3a on-board recorder of flight parameters, in particular its resolution and recording frequency. Then it was possible to plot waveforms for variation of the recorded parameters associated with operation of the helicopter engines and its rotor. The waveforms were used to determine the most important fragments suitable for detailed analysis of variations exercised by basic parameters and to check them against the Operation Manual for flights of the W-3 helicopter. The selected operation parameters were used for phase imaging (development of phase portraits), which served as the basis to assess dynamic properties of the parameters variations. The final component of the study consisted in discussion of the obtained results with presentation of conclusions. It is infeasible to monitor technical condition of the package joint between the transmission shaft and the PZL-10W aircraft. It is necessary to install additional sensors and gauges intended to improve accuracy and frequency of parameter readouts. Only sufficient amount of information shall enable application of the phase imaging method to efficient monitoring of technical and emergency operating conditions of aircraft engines.

Słowa kluczowe

EN

aircraft engine diagnostics; phase mapping of engine parameters

• Wydawca: Łukasiewicz Research Network - Institute of Aviation ; European Science Society of Powertrain and Transport KONES Poland ; Wydawnictwo Instytutu Technicznego Wojsk Lotniczych
• Czasopismo: Journal of KONES
• Rocznik: 2011
• Tom: Vol. 18, No. 1
• Strony: 301--310
• Opis fizyczny: Bibliogr. 4 poz., rys.

Twórcy

autor

Kowalski M.

• Air Force Institute of Technology 6 Księcia Bolesława Street, 01-494 Warsaw, Poland tel.: [phone], fax: [phone],

Bibliografia

• [1] Czempik, A., Praktyczne wprowadzenie do opisu, analizy i symulacji dynamiki obiektów. (manuscript). Accessible on the Internet: www.anna.czemplik.staff.iiar.pwr.wroc.pl/Studenci/Modele Ukladow/ModeleCw.pdf (Practical introduction to description, analysis and simulation of dynamic behaviour of objects (manuscript). Available from the website: www.anna.czemplik.staff.iiar.pwr.wroc.pl/Studenci/ModeleUkladow/ModeleCw.pdf
• [2] Kowalski, M., Szczepanik R., Witoś M., Podskarbi S., Condition – based maintenance of turbojet engines based on compressor blade vibration measuring method. Pisa – Italy, 23.09- 01.10.2000.
• [3] Kowalski, M., Odwzorowanie fazowe prędkości obrotowej w procesie eksploatacji turbinowych silników odrzutowych. Logistyka nr 6/2009. (Phase imaging of rotation speed during the operation of turbojet engines. Logistics, No. 6/2009).
• [4] Kowalski, M., Szczepanik, R., Analiza pracy silnika lotniczego z pełnozakresowym, mikroprocesorowym układem typu FADEC i odwzorowanie fazowe. Rozdział w publikacji książkowej ITWL pt.: Problemy badań i eksploatacji techniki lotniczej tom 7 pod redakcją J. Lewitowicza, S. Michalaka i R. Szczepanika. Warszawa 2010. (Analysis of an avionic engine operation with use of a full-range circuit of FADEC type and application of the phase imaging method. One chapter in the textbook published by Air Force Institute of Technology (ITWL) and titled Issues associated with investigation and maintenance of avionic technical means, Volume 7, Edited by Lewitowicz J., Michalak. S. and Szczepanik R., Warsaw, 2010.