The physical model of intershaft bearing working in off-design conditions


Amelkin A. S.1*, Kiansky T. N.2**, Ravikovich Y. A.1***

1. Moscow Aviation Institute (National Research University), 4, Volokolamskoe shosse, Moscow, А-80, GSP-3, 125993, Russia
2. Scientific and Technical Center (MKB «Granit»), 16, Budyonny pr., Moscow, 105118, Russia



This article describes the physical model of high pressure turbine intershaft bearing of aviation bypass engine working in off-design conditions. The origin of initial damage of the intershaft bearing, factors that influence the initial damage rate and probable consequences of the defect formation are considered.


intershaft bearing, off-design conditions, initial damage, defect formation, contact loads, radial clearance of the bearing, irregular compression — informational site of MAI

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