1. Flow observations with tufts and lampblack of the stalling of four typical airfoil sections in the naca variable-density tunnel;Abbott,1938
2. Vortex flow of downwind sails;Arredondo-Galeana;Flow,2023
3. The leading-edge vortex of yacht sails;Arredondo-Galeana;Ocean Eng.,2018
4. Spanwise flow and the attachment of the leading-edge vortex on insect wings;Birch;Nature,2001
5. Visualization of flow fields by use of a tuft grid technique;Bird;J. Aeronaut. Sci.,1952