“…Distributions of pressure and velocity throughout the cantilever obtained at conditions of channel flow action are calculated by using the finite-element method; the background noises are in this case ignored; as a result, it made it possible to determine the non-uniformities of the noise structure of reactive gas flow at the nozzle section more exactly [10][11][12][13][14] . At the same time, it is possible to determine the presence of typical or uncertain defects by using as the base the deviations of frequency levels of acoustic pressure from the reference ones.…”
Section: The Principles Of Passive Spatial Locations Of Defects On a mentioning
In this paper we consider the integrated approach to development of the aero-acoustical methods for diagnostics of aircraft gas-turbine engine flow-through passages by using as the base the passive fiber-optic and location technologies.
“…Distributions of pressure and velocity throughout the cantilever obtained at conditions of channel flow action are calculated by using the finite-element method; the background noises are in this case ignored; as a result, it made it possible to determine the non-uniformities of the noise structure of reactive gas flow at the nozzle section more exactly [10][11][12][13][14] . At the same time, it is possible to determine the presence of typical or uncertain defects by using as the base the deviations of frequency levels of acoustic pressure from the reference ones.…”
Section: The Principles Of Passive Spatial Locations Of Defects On a mentioning
In this paper we consider the integrated approach to development of the aero-acoustical methods for diagnostics of aircraft gas-turbine engine flow-through passages by using as the base the passive fiber-optic and location technologies.
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