DR GARY SETTLES / SCIENCE PHOTO LIBRARY DR GARY SETTLES / SCIENCE PHOTO LIBRARY
Aeroplane wing model, coloured wind tunnel image. This low-speed airfoil (wing) model is being studied in a smoke-flow-visualization wind tunnel. When approximately aligned with the flow, as shown here, such an airfoil causes little disturbance and no visible turbulence.
Model release not required. Property release not required.