Andy_RR
Well-Known Member
An interesting article here alleges that minimum drag occurs just prior to flow separation - presumably meaning skin-friction drag.
https://www.aa.washington.edu/news/...-physics-finds-sweet-spot-aircraft-efficiency
Paper is here, which I haven't read yet. Something for the weekend.
https://www.aa.washington.edu/news/...-physics-finds-sweet-spot-aircraft-efficiency
Paper is here, which I haven't read yet. Something for the weekend.