• 2022-06-28
    空气流在管道中发生正激波, 已知激波前的马赫数为[tex=1.286x1.0]sxzuIm5vkcBwgY8hMG3Jmw==[/tex], 压强为[tex=2.714x1.0]0/yl8Vy7RWP/1avRibRT1JSepifhRC1KO/VwJwGITGA=[/tex], 温度 为 [tex=2.143x1.071]zt6AQy0PfYUwQvPHkX7UEseOE1BESdkAuAIivrvToWY=[/tex], 试求激波后的马赫数、压强、温度和速度。
  • 解 : [tex=31.5x11.786]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[/tex][tex=31.786x15.071]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[/tex]

    内容

    • 0

      正激波后马赫数是( )的函数。 A: 波前的马赫数 B: 波前的马赫数和温度 C: 波前的温度和压强‍ D: 波前的马赫数和压强

    • 1

      空气气流在收缩管内作等商流动,截面 1 处的马赫数为[tex=3.929x1.214]qTacwZRef7YbDJzPimA7cQ==[/tex], 截面 2 处的马赫数为[tex=3.929x1.214]sfnzEM8t7vyNBZAAi+umJw==[/tex], 试求两截面的面积比。

    • 2

      有一来流,波前的马赫数[tex=3.929x1.214]2EOcEVAYvyaID3ZjuFfJlg==[/tex], 绝对压强 [tex=6.429x1.429]s0Ldph3LLmNb9XFCtOAawIn5P0gRXHG2tEp7NizNbGE=[/tex], 热力学温度 [tex=4.071x1.214]pCp5DKKeMoWc3iX/inBJVQ==[/tex], 求 波后的马赫数 

    • 3

      空气以[tex=3.286x1.357]gVzR50r+ODUo+OdZa15BNJnJMraMnQM8ycJXnMdsz3o=[/tex]的超声速绕流半角 [tex=2.643x1.071]CmD38drEt/ndwm/UDvg1mTMKVAEt3QHQhkfDBCf2eYM=[/tex] 的楔形物体, 已知激波角 [tex=2.786x1.286]AP9kXI45enw04zPJrQGDB+ykEUoynIbZmkcWhojhqtY=[/tex]。试 求激波后的流速和经过激波的嫡增。

    • 4

      [tex=2.643x1.214]frhymAqd3KOu6Rqm0XHuPA==[/tex]的气体以超声速流过半顶角 [tex=2.643x1.071]wvsBOB44eXuJqnGUvhLELV/cyCK5agKDve1jNr51GDM=[/tex]的楔形物体, 从纹影照片上测得楔 形物顶点斜激波的激波角 [tex=2.786x1.286]+dHUESl9mKLp4eUBTXu6u4nZo4ImPincycYOW3B3JOc=[/tex], 并测得激波前的总温 [tex=4.214x1.214]rCM97adgRDDWDWMK+h7JP5HuHNGpcujN5/rQS3zth/Y=[/tex], 试求波前来流的马赫 数和流速。