Abstract:

Foreign object damage (FOD) is one of the damage forms of blades in aeroengine.The present status of investigation of FOD to blades in aeroengine is presented in the paper.The damage of blade by bird impacting is a damage due to soft object impacting.The three aspects of theory,experiment and computation for blade by bird impacting are introduced in detail.The damage of blade by ice impacting is a damage due to soft or hard object impacting.There is a few papers on the damage of blade due to ice impact.

Key words: aerospace , propulsion , system,  , foreign , object , damage,  , statement,  , blade