Originally Posted by
IO540
As regards gas flow theories, Newton is right, but that approach is not exactly useful because nobody is going to run a simulation of every molecule moving around the wing or whatever.
That's what integral calculus is for, or CFD, or whatever other way you wish to analyse the problem. The point is, the fundamentals are the same.
Anyway, Newton didn't explain how aerofoils work, whereas Bernoulli (and Prandtl et al) did, however Bernoulli and Prandtl were building on Newton's theorys, not tearing them up and starting again.
A