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旋流器套筒扩张角对燃烧室出口温度分布的影响

郑剑文 江立军 刘涛 唐超 文一帆

郑剑文, 江立军, 刘涛, 等. 旋流器套筒扩张角对燃烧室出口温度分布的影响[J]. 航空动力学报, 2024, 39(10):20240164 doi: 10.13224/j.cnki.jasp.20240164
引用本文: 郑剑文, 江立军, 刘涛, 等. 旋流器套筒扩张角对燃烧室出口温度分布的影响[J]. 航空动力学报, 2024, 39(10):20240164 doi: 10.13224/j.cnki.jasp.20240164
ZHENG Jianwen, JIANG Lijun, LIU Tao, et al. Effects of swirler sleeve angle on combustor exit temperature distribution[J]. Journal of Aerospace Power, 2024, 39(10):20240164 doi: 10.13224/j.cnki.jasp.20240164
Citation: ZHENG Jianwen, JIANG Lijun, LIU Tao, et al. Effects of swirler sleeve angle on combustor exit temperature distribution[J]. Journal of Aerospace Power, 2024, 39(10):20240164 doi: 10.13224/j.cnki.jasp.20240164

旋流器套筒扩张角对燃烧室出口温度分布的影响

doi: 10.13224/j.cnki.jasp.20240164
详细信息
    作者简介:

    郑剑文(1989-),男,高级工程师,硕士,主要从事航空发动机燃烧室设计。E-mail:263378217@qq.com

  • 中图分类号: V231.2

Effects of swirler sleeve angle on combustor exit temperature distribution

  • 摘要:

    为研究旋流器套筒扩张角变化对燃烧室出口温度分布的影响,针对配装套筒扩张角分别为90°、80°、70°和60°共4种方案双级旋流器的全环回流燃烧室开展了出口温度分布试验,并结合三头部模型燃烧室粒子成像测速仪流场试验结果对其影响原因进行了分析。结果表明:随着套筒扩张角由90°减小为60°,出口周向温度分布均匀性变差,出口温度分布系数(OTDF)由0.198上升到0.334。套筒扩张角变化对出口径向温度分布曲线的影响较小,出口径向温度分布系数(RTDF)在0.077左右。在试验范围内,燃烧室出口温度分布品质随套筒扩张角的减小而恶化。

     

  • 图 1  双级旋流器示意图

    Figure 1.  Schematic of dual swirler

    图 2  矩形三头部燃烧室光学试验件

    Figure 2.  Optical test piece of rectangular three sector combustor

    图 3  测量位置示意图

    Figure 3.  Schematic of measurement region

    图 4  PIV试验系统示意图

    Figure 4.  Schematic of PIV experimental system

    图 5  全环回流燃烧室试验件示意图

    Figure 5.  Schematic of annual reverse-flow combustor test piece

    图 6  燃烧室试验系统示意图

    Figure 6.  Schematic of combustor experimental system

    图 7  XY平面Y向速度云图及速度矢量图

    Figure 7.  Y-direction velocity contours and velocity vectors of XY measurement plane

    图 8  XY平面不同Y向位置处Y向速度速度分布

    Figure 8.  Y-velocity profiles at different Y-direction positions of XY measurement plane

    图 9  不同α下的OTDF和RTDF

    Figure 9.  OTDF and RTDF with different α

    图 10  不同α下的出口周向无量纲温度分布曲线

    Figure 10.  Exit circumferential normalized temperature distribution curve with different α

    图 11  不同α下的出口径向无量纲温度分布曲线

    Figure 11.  Exit radial normalized temperature distribution curve with different α

    表  1  双级旋流器方案

    Table  1.   Cases of dual swirler

    方案α/(°)
    190
    280
    370
    460
    下载: 导出CSV

    表  2  流场试验参数

    Table  2.   Parameters of flow field experiment

    参数数值或说明
    进口空气温度室温
    进出口空气压差/Pa3000
    压力波动范围/Pa±20
    下载: 导出CSV

    表  3  出口温度分布试验参数

    Table  3.   Parameters of exit temperature distribution experiment

    参数数值
    进口总压/MPa1.3
    进口总温/K673
    油气比0.023
    下载: 导出CSV

    表  4  主要设备名称及精度

    Table  4.   Names and precisions of main instruments

    序号 设备名称 精度
    1 标准流量喷嘴 ±1%
    2 质量流量计 ±0.5%
    3 压力测量系统 ±0.5%
    4 K型热电偶 ±2 K
    5 B型热电偶 ±5 K
    下载: 导出CSV
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  • 收稿日期:  2024-03-21
  • 网络出版日期:  2024-05-24

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