Foil en V

Discussion in 'Hydrodynamics and Aerodynamics' started by mvzeppone, Jan 29, 2016.

  1. mvzeppone
    Joined: Jan 2016
    Posts: 1
    Likes: 0, Points: 0, Legacy Rep: 10
    Location: France

    mvzeppone New Member

    Hello,

    I'm actually working in a project for which I have to design a V foil (actually it is a catamaran with 2 v foils in the middle of the hulls - like hydroptère but 2 hulls instead of 3 - and 1 T foil in the propeller. I've already studied T foils using Xfoil, but after some research I don't know from where should I have to start to dimension the V foil (incident angle, surface, etc).

    I would appreciate if someone could give me some advices

    Thank you!
     
  2. Doug Lord
    Joined: May 2009
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    Location: Cocoa, Florida

    Doug Lord Flight Ready

  3. tspeer
    Joined: Feb 2002
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    Location: Port Gamble, Washington, USA

    tspeer Senior Member

    Take a look at AVL. It can handle lifting surfaces with arbitrary shapes and has a linear free surface boundary condition that approximates the free surface at high speeds. It's written by the same authors as XFOIL.

    You do realize XFOIL can't represent a T foil, right? It is only to calculate the section characteristics for two-dimensional flow. You would need to add the drag from XFOIL to the AVL results for either a T foil or a V foil.
     
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