Tip clearance is the distance between the tip of a rotating airfoil and a stationary part.
- Gas turbine: Rotor blade and casing[1]
The inlet of an EJ200, showing rotor and stator blades. The narrow clearance between the rotor (first set of blades) and the casing is visible.
- Propeller (ship or aircraft): Propeller and structure[2]
- Ground tip clearance [1]
- Wind turbine: blade and tower [3]