Review on Creep Phenomenon and Its Model in Aircraft Engines

IF 1.1 4区工程技术 Q3 ENGINEERING, AEROSPACE International Journal of Aerospace Engineering Pub Date : 2023-05-29 DOI:10.1155/2023/4465565

Lin Yuan, Wang Chenglong, Sun Yongchao, Sun Mingbo, Yuan Yu, Gao Zhan, Xiao Yiwen

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Abstract

The aircraft is subjected to high-temperature and high-pressure conditions during flight, which renders it susceptible to the occurrence of creep phenomenon. Several academics have conducted extensive research on this issue. This research paper provides a comprehensive overview of the existing literature on creep phenomena in aircraft engines. First, several classical creep calculation models are enumerated and categorized as creep life calculation, creep-fatigue life calculation, and creep deformation calculation. Studies on creep phenomena are conducted in various components of aircraft engines, such as the engine’s turbine blades, turbine disks, and combustion chambers. The creep behavior of turbine blades in aircraft engines has been extensively researched. Furthermore, the protective measures aimed at mitigating creep are presented. Materials with high creep resistance can be used, and alternative fuels could be implemented. This paper provides an in-depth analysis of the advantages of creep in aircraft, presented in a favorable perspective. Finally, the prospective future research direction is discussed.

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航空发动机蠕变现象及其模型研究进展

飞机在飞行过程中处于高温高压条件下，容易发生蠕变现象。几位学者对这个问题进行了广泛的研究。本文对航空发动机蠕变现象的现有文献进行了全面的综述。首先列举了几种经典的蠕变计算模型，并将其分类为蠕变寿命计算、蠕变-疲劳寿命计算和蠕变变形计算。对航空发动机的涡轮叶片、涡轮盘、燃烧室等各部件的蠕变现象进行了研究。航空发动机涡轮叶片的蠕变特性得到了广泛的研究。并提出了减缓蠕变的防护措施。可采用抗蠕变性能高的材料，并可采用替代燃料。本文从有利的角度深入分析了飞机蠕变的优点。最后，展望了未来的研究方向。

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来源期刊

International Journal of Aerospace Engineering ENGINEERING, AEROSPACE-

CiteScore

2.70

自引率

7.10%

发文量

195

审稿时长

22 weeks

期刊介绍： International Journal of Aerospace Engineering aims to serve the international aerospace engineering community through dissemination of scientific knowledge on practical engineering and design methodologies pertaining to aircraft and space vehicles. Original unpublished manuscripts are solicited on all areas of aerospace engineering including but not limited to: -Mechanics of materials and structures- Aerodynamics and fluid mechanics- Dynamics and control- Aeroacoustics- Aeroelasticity- Propulsion and combustion- Avionics and systems- Flight simulation and mechanics- Unmanned air vehicles (UAVs). Review articles on any of the above topics are also welcome.