核心驱动风扇与压气机匹配特性研究

黄磊; 张军; 何旭东; 李清华; 楚武利; 肖双强

doi:10.13224/j.cnki.jasp.20220798

核心驱动风扇与压气机匹配特性研究

doi: 10.13224/j.cnki.jasp.20220798

黄磊^{1, 2,},
张军²,
何旭东¹,
李清华²,
楚武利¹,
肖双强²

1.
西北工业大学动力与能源学院，西安 710072
2.
中国航发四川燃气涡轮研究院，成都 610500

详细信息

作者简介:
黄磊（1983-），男，研究员，博士生，主要从事航空发动机高性能压气机设计技术研究

中图分类号: V231.2
计量
- 文章访问数: 146
- HTML浏览量: 95
- PDF量: 41
- 被引次数: 0
出版历程
- 收稿日期: 2022-10-18
- 网络出版日期: 2024-05-21

The matching performance research of core driven fan stage and compressor

1.
School of Power and Energy，Northwestern Polytechnical University，Xi’an 710072，China
2.
Sichuan Gas Turbine Establishment，Aero Engine Corporation of China，Chengdu 610500，China

摘要

摘要:
为了提高带核心驱动风扇的压气机的气动性能，研究核心驱动风扇与压气机的匹配设计技术是非常必要的，两者的匹配对下一代发动机核心压缩部件性能至关重要。核心驱动风扇与压气机的匹配设计需要考虑4个主要的方面：一维匹配设计、子午布局匹配设计、叶片造型参数匹配设计和二维流场匹配，在此设计基础上开展全三维的匹配分析以及部件试验验证。试验结果表明：串装试验结果与全三维模拟的不同涵道比的核心驱动风扇和压气机特性变化趋势是一致的，验证了高效率核心驱动风扇与压气机匹配设计方法的有效性，揭示了核心驱动风扇和压气机性能匹配随涵道比变化的基本规律，涵道比增加，核心驱动风扇压比匹配低，从而导致压气机压比匹配得更高，反之涵道比减小，压气机匹配压比则更低。
- 核心驱动风扇 /
- 压气机 /
- 匹配特性 /
- 涵道比 /
- 高效率
Abstract:
In order to improve the aerodynamic performance of compressor with core driven fan stage, it is essential to study the matching of core driven fan stage and high pressure compressor witch, which is of great importance to the core compressor component on next generation engine. Four issues should be considered on the matching of core driven fan stage and high pressure compressor: the matching design of one-dimensional, the matching design of through-flow, the matching design of blade modeling parameter, the matching of two-dimensional flow field, then three-dimensional simulation analysis and testing investigation were carried out. The testing results showed that: the variation tendency of core driven fan stage and high pressure compressor performance was coincident with three-dimensional simulation and the testing results, which verified the effectiveness of the matching performance of high efficiency core driven fan stage and high pressure compressor. By increasing the bypass ratio, the pressure ratio of core driven fan stage could be lower, bringing about the increase of the pressure ratio of high pressure compressor. On the contrary, the decrease of bypass ratio could lead to the lower pressure ratio of high pressure compressor.
- core driven fan stage /
- compressor /
- matching performance /
- bypass ratio /
- high efficiency

HTML

图 1 CDFS概念图

Figure 1. Concept map of CDFS

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图 2 核心驱动风扇与高压压气机级负荷分布

Figure 2. Loading distribution for CDFS and HPC

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图 3 核心驱动风扇与高压压气机匹配的原始气动布局

Figure 3. Original flow path for CDFS and HPC

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图 4 外涵支板根部和尖部叶型

Figure 4. Blade profile in hub and tip of external duct

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图 5 核心驱动风扇与高压压气机匹配优化后的子午投影

Figure 5. Optimized meridian projection for CDFS and HPC

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图 6 核心驱动风扇与高压压气机的转子攻角沿展向分布

Figure 6. Spanwise distributions of angles of rotor attack for CDFS and HPC

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图 7 核心驱动风扇与高压压气机马赫数云图

Figure 7. Mach number cloud map of CDFS and HPC

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图 8 核心驱动风扇与高压压气机静温云图

Figure 8. Static temperature cloud map of CDFS and HPC

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图 9 不同涵道比下的核心驱动风扇与高压压气机总特性

Figure 9. Total performance in different bypass ratios of CDFS and HPC

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图 10 外涵支板近工作点不同叶高相对马赫数分布

Figure 10. Relative Mach number distribution of external duct strut at different height on working point

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图 11 不同涵道比下核心驱动风扇总特性

Figure 11. Total performance in different bypass ratios of CDFS

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图 12 不同涵道比下高压压气机总特性

Figure 12. Total performance in different bypass ratios of HPC

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图 13 工作点95%叶高相对马赫数分布云图

Figure 13. Contours of relative Mach number distribution of 95% height on working point

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图 14 核心驱动风扇与高压压气机不同涵道比下的试验特性与三维计算的对比

Figure 14. Comparison of testing and 3D calculation characteristic diagram in different bypass ratios of CDFS and HPC

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图 15 不同涵道比下的核心驱动风扇试验特性和三维计算的对比

Figure 15. Comparison of testing and 3D calculation characteristic diagram in different bypass ratios of CDFS

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图 16 不同涵道比下的高压压气机试验特性与三维计算的对比

Figure 16. Comparison of testing and 3D calculation characteristic diagram in different bypass ratios of HPC

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