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http://dx.doi.org/10.6108/KSPE.2022.26.6.043

A Study on the Prediction of Storage Life of Rolling Element Bearings for the Single-use Turbo Engine  

Sun Je Kim (Department of Naval Architecture & Ocean Engineering, Chungnam National University)
Dong Min Kim (Department of Naval Architecture & Ocean Engineering, Chungnam National University)
Soon Ho Hong (Department of Naval Architecture & Ocean Engineering, Chungnam National University)
Seong Ki Min (Aerospace Technology Research Institute, Agency for Defense Development)
Publication Information
Journal of the Korean Society of Propulsion Engineers / v.26, no.6, 2022 , pp. 43-52 More about this Journal
Abstract
Operational reliability of the single-use turbo engine for guided weapons must be guaranteed even after long-term storage. Rolling element bearings have a great influence on the operational reliability of the turbo engine, however changes in micro dimensions of bearings by an oxide layers on rolling elements and raceways may cause failures after long-term storage. In this study, changes in dimensions of bearings were measured and roughness of rolling elements was used for estimating the storage life. Storage life estimation was performed via two kinds of methods, Weibayes method and random sample generation method. The results of two methods were compared and their characteristics were analyzed. This study will contribute to establish an efficient maintenance schedule for the single-use turbo engine.
Keywords
Single-use System; Turbo Engine; Rolling Element Bearings; Residual Storage Life; Weibayes;
Citations & Related Records
Times Cited By KSCI : 2  (Citation Analysis)
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