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隔板截面造型对超声速膨胀器流场及性能的影响

钟兢军 黄振宇 杨凌 韩吉昂

钟兢军, 黄振宇, 杨凌, 韩吉昂. 隔板截面造型对超声速膨胀器流场及性能的影响[J]. 航空动力学报, 2015, 30(2): 446-454. doi: 10.13224/j.cnki.jasp.2015.02.024
引用本文: 钟兢军, 黄振宇, 杨凌, 韩吉昂. 隔板截面造型对超声速膨胀器流场及性能的影响[J]. 航空动力学报, 2015, 30(2): 446-454. doi: 10.13224/j.cnki.jasp.2015.02.024
ZHONG Jing-jun, HUANG Zhen-yu, YANG Ling, HAN Ji-ang. Influence on flow field and performance of supersonicexpander with different strake wall section shapes[J]. Journal of Aerospace Power, 2015, 30(2): 446-454. doi: 10.13224/j.cnki.jasp.2015.02.024
Citation: ZHONG Jing-jun, HUANG Zhen-yu, YANG Ling, HAN Ji-ang. Influence on flow field and performance of supersonicexpander with different strake wall section shapes[J]. Journal of Aerospace Power, 2015, 30(2): 446-454. doi: 10.13224/j.cnki.jasp.2015.02.024

隔板截面造型对超声速膨胀器流场及性能的影响

doi: 10.13224/j.cnki.jasp.2015.02.024
基金项目: 

中央高校基本科研业务费专项资金(3132014319)

国家高技术研究发展计划

高等学校博士学科点专项科研基金(20132125120006)

详细信息
    作者简介:

    钟兢军(1963-),男,黑龙江哈尔滨人,教授、博士生导师,博士,主要从事叶轮机械气动热力学研究.

    通讯作者:

    黄振宇(1985-),男,湖北仙桃人,博士生,主要从事叶轮机械气动热力学研究.E-mail:zhenyu85keyan@163.com

  • 中图分类号: V231.3

Influence on flow field and performance of supersonicexpander with different strake wall section shapes

  • 摘要: 采用三维雷诺平均N-S方程和标准k-ε湍流模型,在设计工况下对3种隔板截面形状的超声速膨胀器的三维流道流场进行了数值研究.结果表明:矩形截面形状的超声速膨胀器近吸力面区域气流速度大,斜激波之后流动损失低,等熵绝热效率较高;正梯形截面形状的超声速膨胀器出口平均绝对马赫数、静压比以及膨胀比大,综合性能相对最优;角区附面层分离、回流形成的低速气流团以及斜激波所导致高速气流的增压过程是出口流动损失的主要来源;优化隔板沿径向的结构,超声速膨胀器的综合性能有望进一步提高.

     

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出版历程
  • 收稿日期:  2013-10-18
  • 刊出日期:  2015-02-28

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