spanwise

Effect of spanwise flexibility on flapping wing propulsion
Population trends of spanwise vortices in wall turbulence
Turbulent drag reduction by spanwise wall oscillations
Drag Reduction by Spanwise Wall Oscillation in Wall-Bounded Turbulent Flows
Turbulent Boundary-Layer Control by Means of Spanwise-Wall Oscillation
Near-wall structure of turbulent boundary layer with spanwise-wall oscillation
Numerical Simulation of a Flapping Foil with Chordwise or Spanwise Flexibility
Critical assessment of turbulent drag reduction through spanwise wall oscillations
Effects of uniform blowing or suction from a spanwise slot on a turbulent boundary layer flow
Film-cooling from holes with compound angle orientations. Part 2: Results downstream of a single row of holes with 6d spanwise spacing