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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

黄磊, 张军, 何旭东, 等. 核心驱动风扇与压气机匹配特性研究[J]. 航空动力学报, 2024, 39(10):20220798 doi: 10.13224/j.cnki.jasp.20220798
引用本文: 黄磊, 张军, 何旭东, 等. 核心驱动风扇与压气机匹配特性研究[J]. 航空动力学报, 2024, 39(10):20220798 doi: 10.13224/j.cnki.jasp.20220798
HUANG Lei, ZHANG Jun, HE Xudong, et al. The matching performance research of core driven fan stage and compressor[J]. Journal of Aerospace Power, 2024, 39(10):20220798 doi: 10.13224/j.cnki.jasp.20220798
Citation: HUANG Lei, ZHANG Jun, HE Xudong, et al. The matching performance research of core driven fan stage and compressor[J]. Journal of Aerospace Power, 2024, 39(10):20220798 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
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

The matching performance research of core driven fan stage and compressor

  • 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的更高,反之涵道比减小,压气机匹配压比则更低。

     

  • 图 1  CDFS概念图

    Figure 1.  Concept map of CDFS

    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 andHPC

    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

    图 4  外涵支板根部和尖部叶型

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

    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

    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

    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

    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

    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

    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

    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

    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

    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

    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

    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

    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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  • 收稿日期:  2022-10-18
  • 网络出版日期:  2024-05-21

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