Foam reverses aerodynamic lift
Thread Starter
Joined: Jan 2001
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From: Location, Location
Foam reverses aerodynamic lift
I hope this may be of interest:
"Physicists in France have discovered that when a foam flows over an aerofoil, the resulting force is exerted downwards rather than upwards" - see Foam result surprises scientists.
It made me wonder if there might be effects from other types of fluid that are encountered more frequently than foam - e.g. clouds. Anyone know if research has been done in this area?
"Physicists in France have discovered that when a foam flows over an aerofoil, the resulting force is exerted downwards rather than upwards" - see Foam result surprises scientists.
It made me wonder if there might be effects from other types of fluid that are encountered more frequently than foam - e.g. clouds. Anyone know if research has been done in this area?
Combine Operations
Joined: May 2005
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From: U.K.
It blows a hole in the equation P.V=K.
It doesn't add up, if you'll pardon the pun. Using their figures, I make the aerofoil about 4.5cm chord length. Let's see them try it on a proper aerofoil.
It doesn't add up, if you'll pardon the pun. Using their figures, I make the aerofoil about 4.5cm chord length. Let's see them try it on a proper aerofoil.
Joined: May 2002
Posts: 1,124
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From: GC Paradise
I wonder if they also tried the aerofoil at higher angles of attack and if they found the same result?
In any case this discovery could have a profound effect on future discussions regarding the behavior of aerofoil sections in beer froth!
In any case this discovery could have a profound effect on future discussions regarding the behavior of aerofoil sections in beer froth!
