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Canards in mach cone

  1. Mar 18, 2011 #1
    Hi there,

    I am currently looking into designing a guidance module for a mach 1.6 rocket, but I have some questions about the supersonic aerodynamics.

    As the canards will be just below the ogive nosecone, I wonder if there is any way they won't be inside the mach cone at all times.

    If they are inside the mach cone I reckon they will be in subsonic flow - will I then be able to use the Polhamus equation to calculate?

    I'm using the theory from here:
    http://psas.pdx.edu/CanardAerodynamics/ [Broken]
    I can see that they are using equations for transonic and supersonic lift as well, but I can't seem to figure out how that is necessary if you'll never get a mach cone smaller than the angle of your canards.

    I hope someone can help me out here, cause I am severely confused :)
    Last edited by a moderator: May 5, 2017
  2. jcsd
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