Uncertainty and Dependability of the Risk Model Applicable to Operation of Aircrafts

Analysis of Feasibility to Assess Microstructure of Gas Turbine Blades by Means of the Thermographic Method

“…Among these components the turbine blades are exposed to the most frequent failures, hence technical condition of these parts in of crucial importance for reliability and lifetime of the entire turbine and the subassembly where it is installed. Analysis of literature references [2,3] shows that only a small percent of turbine blades defects is caused by low quality of the blade material as well as design or technological faults ( Fig. 1) due to the fact that the blades undergo very strict quality control during both the manufacturing and assembly processes.…”

“…[2] Incorrect fuel pressure, worsening of its chemical and physical properties as well as contaminations of any type or incorrect positioning of the injector in the flame tube head -all these reasons lead to build-up of carbon deposits (Fig. 2) [4,5].…”