航空发动机轴承腔热分析计算

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Thermal Analysis of Aeroengine Bearing Compartment

1.
The Customer Representative of Liming Engine Manufacturing Corporation,Shenyang110043,China
2.
School of Jet Propulsion,Beijing University of Aeronautics and Astronautics,Beijing100083,China
3.
Shenyang Aeroengine Research Institute,Shenyang110015,China

摘要: 轴承腔热分析计算的目的是确定轴承腔的热负荷和温度分布。采用二维轴对称稳态导热的有限元程序,对某型发动机中轴承腔进行了热分析计算。程序功能比较齐全,使用方便。可从AUTOCAD直接输入图形数据,用ALGOR工程软件分网译码进行前处理,用ANSYS工程软件进行后处理。选用相关经验公式计算摩擦热及换热系数。实例计算结果表明程序计算结果合理,精度满足工程要求。
- 航空、航天推进系统 /
- 航空发动机 /
- 轴承腔 /
- 计算 /
- 热分析
Abstract: Thermal analysis of aeroengine bearing compartment was conducted using the finite element analysis and calculation program based on 2D axisymmetrical steady-state heat transfer model.The program was developed using axisymmetrical triangle annular cell FORTRAN.The engineering software ALGOR and ANSYS were used for pre-processing and post-processing respectively,while AUTOCAD was used for the direct input of graphic data and semi-automatic grid-drawing and decoding.Empirical formulae were adopted to calculate friction heat and heat transfer coefficient.The application of this model to an engine shows satisfactory results.
- aerospace propulsion system /
- bearing compartment /
- heat transfer /
- thermal analysis /
- aeroengine

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