Fatigue Life Prediction of Low Pressure Turbine Shaft of Turbojet Engine

被引：8

作者：

Yu, Le ^{[1
]}

Chen, Hao ^{[1
]}

Zhou, Jie ^{[1
]}

Yin, Hengsu ^{[1
]}

Huang, Hong-Zhong ^{[1
]}

机构：

[1] Univ Elect Sci & Technol China, Inst Reliabil Engn, 2006 Xiyuan Ave, Chengdu 611731, Sichuan, Peoples R China

来源：

INTERNATIONAL JOURNAL OF TURBO & JET-ENGINES | 2017年 / 34卷 / 02期

基金：

中国国家自然科学基金;

关键词：

fatigue life prediction; low pressure turbine shaft; high and low cycle fatigue load; modified local stress-strain method; linear cumulative fatigue damage model;

D O I：

10.1515/tjj-2015-0062

中图分类号：

V [航空、航天];

学科分类号：

08 ; 0825 ;

摘要：

The fatigue life prediction method of a low pressure turbine shaft of the turbojet engine is presented. According to working conditions and assembled conditions of the turbojet engine, load types, load values and constraints of the turbine shaft are analyzed. ANSYS software is employed to simulate actual working conditions to obtain stress-strain distributions of the low pressure turbine shaft. Finally, based on stress-strain curves and surface quality, the fatigue life of the low-pressure turbine shaft is calculated with the modified local stress-strain method and the linear cumulative fatigue damage model.

引用

页码：149 / 154

页数：6

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