FORECASTING THE ESTIMATED LIFE OF GTE PARTS BASED ON THE IMPACT OF ANALYTICAL AND OPERATIONAL FACTORS

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Abstract

This paper considers a life analysis method applying to GTE parts and based on low-cycle fatigue endurance of parts with due account of analytical and operational factors. Using life analysis for a disk of the first stage of a low-pressure compressor as an example, it is shown that the current strength factors underestimate calculated cyclic lives over 4 times.

About the authors

Aleksandr V. Pakhomenkov

PJSC «UEC-Saturn»

Author for correspondence.
Email: aleksandr.pakhomenkov@uec-saturn.ru
Lenin Ave., 163., Rybinsk, 152903, Russian Federation

Stanislav A. Bukatyy

Samara National Research University

Email: aleksandr.pakhomenkov@uec-saturn.ru
Moskovskoe shosse, 34, Samara, 443086, Russian Federation

References

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  8. Sheremet'ev, A. V. (2005), "Prognozirovanie tsiklicheskoy dolgovechnosti i ustanovlenie resursov osnovnykh detaley aviatsionnykh GTD" [Forecasting cyclic durability and establishing the life of the main parts of aviation gas turbine engines], Materials of the X International Congress of 138 Engine Builders. Aerospace engineering and tech-nology, Samara, RU, no. 8, 5 p. (in Russian)
  9. Porter, A. M., Matveenko, G. P. and Bukatyy, S. A. (2006), "K voprosu o vybore ekvivalentnogo nagruzheniya standartnykh gladkikh obraztsov dlya opredeleniya malotsiklovoy dolgovechnosti osnovnykh detaley GTD" [On the issue of choosing equivalent loading of standard smooth samples to determine the low-cycle durability of the main parts of gas turbine engines], Materials of reports of the international. scientific-technical Conferences, SSAU, Samara, RU, in 2 parts, part 2, pp. 115-116. (in Russian)
  10. GosNII GA (1994), Polozhenie ob ustanovlenii resursov gazoturbinnykh dvigateley grazhdanskoy aviatsii, ikh agregatov i komplektuyushchikh izdeliy [Regulations on establishing the life of gas turbine engines for civil aviation, their units and components], 3rd ed., CIAM, Moscow, RU. (in Russian)
  11. Matveenko, G. P., Porter, A. M., Starozhilov, G. I. and Khokhrin, A. L., JSC"Nauchno-proizvodstvennoe ob"edinenie "Saturn" (2003), Sposob ekspluatatsii dvigatelya [The method of operation of the engine], RU, Pat. №2211442. (in Russian)
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  13. FSUE "CIAM named after. P.I. Baranova" (2006b), Metodika opredeleniya zapasov po tsiklicheskoy dolgovechnosti dlya ustanovleniya resursa osnovnykh detaley na osnove dannykh o soprotivlenii materialov malotsiklovoy ustalosti [Methodology for determining cyclic durability reserves to establish the service life of main parts based on data on the resistance of materials to low-cycle fatigue], RU. (in Russian)
  14. PowerJet (2017), Tekhnicheskaya protsedura № SaM146-PWJ-TEC-PRO-ENG-00070-03 «Metodika proverki sroka sluzhby, ukazannogo v tekhnicheskoy kharakteristike» [Technical procedure No. SaM146-PWJ-TEC-PRO-ENG-00070-03 "Method for checking the service life specified in the technical specifications"], RU. (in Russian)
  15. Pakhomenkov, A.V., Azimov R. A and Bukatyy, S. A. (2017) "Raschetnoe opredelenie resursa osnovnykh detaley gazoturbinnykh dvigateley pri malotsiklovom nagruzhenii" [Calculated determination of the resource of the main parts of gas turbine engines under low-cycle loading], Izvestiya vuzov. Aviatsionnaya tekhnika, Kazan, RU, no. 3, pp. 3-8. (in Russian)
  16. Bukatyy, S. A., Pakhomenkov, A.V., Solntsev, G. A and Bukatyy, A. S. (2018), "Prognozirovanie malotsiklovoy dolgovechnosti detaley gazoturbinnogo dvigatelya metodom ekvivalentnykh ispytaniy obraztsov s kontsentratorom napryazheniy pri rastyazhenii-szhatii "[Forecasting of low-cycle durability of gas turbine engine parts by the method of equivalent tests of samples with a stress concentrator under tension-compression], Bulletin of the Samara University. Aerospace engineering, technology and mechanical engineering, Samara, RU, Vol. 17, No. 2, pp. 37-46. (in Russian)

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Journal of Dynamics and Vibroacoustics

ISSN 2409-4579 (Online)

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