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The operational technique of increasing service life time of the major components of the fighter aircraft engine rotors

Pashchenko Serhii, Shulhin Artem, Samuleev Volodimyr, Lobunko Оleksandr, Dobridenko Оleg

Journal of KONBiN

2021

Vol. 51, iss. 3

65--73

The operational technique for the major components of the fighter aircraft engine rotors has been introduced basing on the real conditions of their cyclic loading in each flight or ground test and a priori information on their previous operation. It has been confirmed that the obtained technical solutions not only conform to the current methods of accounting for the depletion of the life cycle of the Afterburning Turbofan Engine (ATE) but also introduce additional opportunities to consider individual characteristics and conditions of their cyclic loading throughout the overall operating time. A method for estimating the depletion of the life cycle in accordance with the Total Accumulated Cycle (TAC) has been proposed. It allows us to compare the actual operating time of the ATE in hours and the accumulated value of cyclic damage to the engine and its major components (within the TAC parameter) during the previous operation.