Tip clearance explained

Tip clearance is the distance between the tip of a rotating airfoil and a stationary part.

• Gas turbine: Rotor blade and casing^[1]
• Propeller (ship or aircraft): Propeller and structure^[2]
  • Ground tip clearance http://www.flightsimaviation.com/data/FARS/part_23-925.html
• Wind turbine: blade and tower ^[3]

Notes and References

1. Book: Boyce , Meherwan P. . Gas turbine engineering handbook . registration . gas turbine tip clearance. . 2009-03-16 . 2002 . Gulf Professional Publishing . 0-88415-732-6 . 365.
2. Book: Breslin , John P. . Poul Andersen . Hydrodynamics of Ship Propellers . 2009-03-16 . 1996 . Cambridge University Press . 0-521-57470-6 . 424.
3. Book: Burton , Tony . David Sharpe . Nick Jenkins . Ervin Bossanyi . Wind Energy Handbook . 2009-03-16 . 2001 . John Wiley and Sons . 0-471-48997-2 . 464.