航空发动机静承压件适航符合性验证方法

王涛; 胡殿印; 王荣桥

doi:10.13224/j.cnki.jasp.2016.12.018

航空发动机静承压件适航符合性验证方法

doi: 10.13224/j.cnki.jasp.2016.12.018

王涛¹,
胡殿印^1,2,
王荣桥^1,2

1. 北京航空航天大学能源与动力工程学院, 北京 100191;
2. 先进航空发动机协同创新中心, 北京 100191

基金项目:

国家自然基金（51675024，51305012，51375031）；航空科学基金（2014ZB51）

详细信息

作者简介:
王涛(1988-),男,黑龙江牡丹江人,硕士,主要从事航空发动机结构强度研究.

中图分类号: V215.1
计量
- 文章访问数: 1060
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- 被引次数: 0
出版历程
- 收稿日期: 2015-04-08
- 刊出日期: 2016-12-28

Compliance verification method for pressurized engine static parts of aircraft engine airworthiness

1. School of Energy and Power Engineering, Beijing University of Aeronautics and Astronautics, Beijing 100191, China;
2. Collaborative Innovation Center for Advanced Aero-Engine, Beijing 100191, China

摘要

摘要: 对《航空发动机适航规定》（CCAR33-R2）新增条款CCAR33.64（静承压件）进行解读与分析，结合试验设计法、数值模拟法开展针对航空发动机静承压件适航条款的符合性验证方法和验证流程的研究.提出针对CCAR33.64的符合性验证流程，并以某型航空发动机低压涡轮后机匣的模型为例进行验证.选取机匣的最大工作压力和1.1倍最大工作压力分别作为加载条件进行数值模拟，得出最大等效应力分别为453MPa和534MPa，最大机匣变形分别为0.366mm和0.432mm，不会出现永久变形或机匣破裂的情况，满足适航要求.验证了该流程的适航符合性，为制定航空发动机静承压件适航指南提供参考依据.
- 适航 /
- 符合性验证方法 /
- 航空发动机 /
- 机匣 /
- 静承压件
Abstract: The newly added airworthiness terms of CCAR33.64 (pressurized engine static parts) in "aircraft engine airworthiness regulations"(CCAR33-R2) was studied and analyzed. Experiment design method and numerical simulation method were utilized in the process to do research on pressurized engine static parts with compliance verification method and verification flow. Compliance verification process for CCAR33.64 was founded and the example of a certain type of low pressure turbine back rear casing for aircraft engine was performed. The maximum working pressure and 1.1 times maximum working pressure were taken in numerical simulation to analysis. Maximum equivalent stress were 453MPa and 534MPa. Maximum deformation were 0.366mm and 0.432mm. No permanent deformation or rupture of casing proves its compliance which provides reference for establishing airworthiness guide for pressurized engine static parts of aircraft engines.
- airworthiness /
- compliance verification method /
- aircraft engine /
- casing /
- pressurized engine static parts

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