Impact analysis of compressor rotor blades of an aircraft engine

被引：9

作者：

Sastry, Y. B. Sudhir ^{[1
]}

Kiros, B. G. ^{[2
]}

Hailu, F. ^{[2
]}

Budarapu, P. R. ^{[3
]}

机构：

[1] Inst Aeronaut Engn, Dept Aeronaut Engn, Hyderabad 500043, Telangana, India

[2] Def Univ, Dept Aeronaut Engn, Coll Engn, Bishoftu 1041, Ethiopia

[3] Indian Inst Technol Bhubaneswar, Sch Mech Sci, Bhubaneswar 752050, Odisha, India

来源：

FRONTIERS OF STRUCTURAL AND CIVIL ENGINEERING | 2019年 / 13卷 / 03期

关键词：

axial flow compressor; rotor and stator blades; aircraft engine; stress and impact analysis; aluminum alloys; ADAPTIVE MULTISCALE METHOD; FOREIGN OBJECT DAMAGE; WING LEADING-EDGE; BIRD STRIKE; MECHANICAL-PROPERTIES; FAILURE ANALYSIS; AEROENGINE; COMPOSITE;

D O I：

10.1007/s11709-018-0493-3

中图分类号：

TU [建筑科学];

学科分类号：

0813 ;

摘要：

Frequent failures due to foreign particle impacts are observed in compressor blades of the interceptor fighter MIG-23 aircraft engines in the Ethiopian air force, supplied by the Dejen Aviation Industry. In this paper, we made an attempt to identify the causes of failure and hence recommend the suitable materials to withstand the foreign particle impacts. Modal and stress analysis of one of the recently failed MIG-23 gas turbine compressor blades made up of the following Aluminum based alloys: 6061-T6, 7075-T6, and 2024-T4, has been performed, apart from the impact analysis of the rotor blades hit by a granite stone. The numerical results are correlated to the practical observations. Based on the modal, stress and impact analysis and the material properties of the three considered alloys, alloy 7075-T6 has been recommended as the blade material.

引用

页码：505 / 514

页数：10

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