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并列双发三维非对称多S弯喷管参数化设计方法

卫永斌 艾俊强

卫永斌, 艾俊强. 并列双发三维非对称多S弯喷管参数化设计方法[J]. 航空动力学报, 2015, 30(2): 271-280. doi: 10.13224/j.cnki.jasp.2015.02.003
引用本文: 卫永斌, 艾俊强. 并列双发三维非对称多S弯喷管参数化设计方法[J]. 航空动力学报, 2015, 30(2): 271-280. doi: 10.13224/j.cnki.jasp.2015.02.003
WEI Yong-bin, AI Jun-qiang. Parameter design method of double juxtaposition 3-D asymmetric several-S-shaped nozzles[J]. Journal of Aerospace Power, 2015, 30(2): 271-280. doi: 10.13224/j.cnki.jasp.2015.02.003
Citation: WEI Yong-bin, AI Jun-qiang. Parameter design method of double juxtaposition 3-D asymmetric several-S-shaped nozzles[J]. Journal of Aerospace Power, 2015, 30(2): 271-280. doi: 10.13224/j.cnki.jasp.2015.02.003

并列双发三维非对称多S弯喷管参数化设计方法

doi: 10.13224/j.cnki.jasp.2015.02.003
详细信息
    作者简介:

    卫永斌(1983-),男,陕西华阴人,工程师,硕士生,主要研究方向为飞行器进排气系统设计与内流气体动力学.E-mail:wyb3504@163.com

  • 中图分类号: V231.3

Parameter design method of double juxtaposition 3-D asymmetric several-S-shaped nozzles

  • 摘要: 形成了一套基于CFD计算评价的并列双发三维非对称多S弯喷管参数化设计方法,并初步证明了该方法的正确性和可行性.多S弯中心线在Z向偏心度为0时:第一S弯Y向偏心度、长度都最小,第二S弯Y向偏心度、长度都最大,第三S弯Y向偏心度、长度分别介于前两个S弯对应参数之间,各S弯都采用进口缓慢转弯,出口快速转弯的规律,以利于抑制背风侧分离和涡.剖面在各S弯上都采用进口快速收缩缓慢转弯,出口缓慢收缩快速转弯的规律,且宽高比与侧边倾角在进出口变化速率相同,且侧边倾角只分布在第一S弯上,以利于稳定流场和增加隐身性能.合流器采用楔底宽高比约束,其值应不超过0.26.

     

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出版历程
  • 收稿日期:  2013-01-25
  • 刊出日期:  2015-02-28

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