| 某涡扇发动机考虑级间引气的二维数值模拟 |
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| 引用本文： | 金东海,桂幸民. 某涡扇发动机考虑级间引气的二维数值模拟[J]. 航空动力学报, 2011, 26(6): 1346-1351 |
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| 作者姓名： | 金东海 桂幸民 |
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| 作者单位： | 北京航空航天大学 能源与动力工程学院,北京 100191 |
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| 基金项目： | 国家自然科学基金(51006005,50736007); 中央高校基本科研业务费专项资金(YWF-10-02-013); “凡舟”青年科研基金(20100401) |
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| 摘 要： | 针对采用S2流面流场模拟软件(AES-S2),对某涡扇发动机风扇、压气机(考虑级间引气)和整机进行地面0km及高空21km低雷诺数工况下转速特性的评估和流场分析.AES-S2数值仿真模型由带有黏性项的二维欧拉方程、燃烧模型和损失模型构成;采用任意曲线坐标系,可保证复杂几何边界的计算精度;采用隐式高阶精度Godunov求解格式,数值稳定性高,可自动捕捉激波.仿真结果表明:AES-S2计算稳定性好,收敛速度快;风扇和压气机的计算精度高于整机;整机二维计算满足工程精度需求,可为部件研制和整机部件匹配提供性能参数依据.
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| 关 键 词： | 数值模拟 涡扇发动机 风扇/压气机 二维 引气 |
| 收稿时间： | 2010-09-28 |
| 修稿时间： | 2011-03-03 |
Two-dimensional numerical simulation of a turbofan engine with air bleeding in compressor |
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| JIN Dong-hai and GUI Xing-min. Two-dimensional numerical simulation of a turbofan engine with air bleeding in compressor[J]. Journal of Aerospace Power, 2011, 26(6): 1346-1351 |
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| Authors: | JIN Dong-hai and GUI Xing-min |
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| Affiliation: | School of Jet Propulsion, Beijing University of Aeronautics and Astronautics,Beijing 100191,China |
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| Abstract: | To assess the fan,compressor and whole engine performance of a turbofan engine on 0 km and 21 km operating conditions,considering air bleeding in compressor,an aero-engine S2 stream-surface flow simulation software(AES-S2) was used.AES-S2 numerical simulation model consists of two-dimensional Euler equation,combustion model and loss model.A body fitted coordinate system was used to adapt the complex geometric boundaries.The implicit higher-order Godunov scheme has the characteristic of shock capturing and g... |
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| Keywords: | numerical simulation turbofan engine fan/compressor two-dimensional air bleeding |
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