Where does Coanda come in to this or have I not been paying attention ? Isn't that what makes my teapot drip ?
Equal transit time is clear and present
: only used to fob off 10 year olds in school.
Circulation is bernoulli isn't it; speed of flow difference generator.
From memory, no viscosity (inviscid flow) denies lift and drag, but I am with the accelerate the air downwards school and tire of the details of 2D potential flow which again is only a model................