某小型涡喷发动机燃烧室疲劳仿真分析  

The Fatigue Simulation of Combustor for Micro Turbojet Engine

作　　者：刘国富 姜年朝[1,2] 宋军 唐军军 焦志文 

机构地区：[1]总参六十所,江苏省南京市210016 [2]南京航空航天大学航空宇航学院,江苏省南京市210016

出　　处：《农业装备与车辆工程》2013年第9期28-30,34,共4页Agricultural Equipment & Vehicle Engineering

摘　　要：基于ANSYS软件,计算了某小型涡喷发动机额定转速下燃烧室的热应力分布;以该发动机"0-工作-0"循环为燃烧室的温度计算条件,拟合得到燃烧室进出口温度分布,综合热疲劳和高温疲劳影响,估算了该燃烧室的疲劳寿命。这种工程估算方法可为热端疲劳部件的寿命分析提供借鉴。The thermal stress distribution in the combustion chamber of a small turbojet engine at rated speed is calculated based on ANSYS software; and the temperature distribution in import and export of combustion chamber with the engine working condition of ＂0-working-0＂ has been simulated. Further, the fatigue life of combustion chamber has been estimated which has included the effect of thermal fatigue and high temperature fatigue. This engineering estimation method can provide reference for the fatigue analysis of hot rotating member.

关 键 词：涡喷发动机 燃烧室 寿命估算 ANSYS 

分 类 号：TH16[机械工程—机械制造及自动化] V235[航空宇航科学与技术—航空宇航推进理论与工程]