Spreading of vorticity and increased span efficiency from Multi-cored vortices support function of slotted wing tips of birds in gliding and flapping flight
posted on 2017-05-08, 10:41authored byMarco KleinHeerenbrink, L. Christoffer Johansson, Anders Hedenström
Explanation of the relation between spreading of vorticity and induced drag reduction and a short clarification on the high span efficiency observed in quantitative data on gliding flight.