Turbine blade clearance of aircraft, Other Engineering

Turbine Blade Clearance.

Creep is term used to describe the continuous and permanent stretching of turbine blades due to high temperatures and centrifugal forces acting on the blades. Each time a turbine is heated, rotated then stopped (referred to as an engine cycle) each blade will be slightly longer. At regular interval, specified intervals the AME will carry out a turbine tip clearance check. The AMM will stipulate what limitations must be observed and if these are exceeded then the engine or module will require replacing.

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Posted Date: 9/12/2012 9:05:00 AM | Location : United States

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