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Analysis of the influence of defects in gas turbine blade blanks on their acoustic characteristics

The widespread use of such power plants as gas turbine plants (GTP) imposes additional requirements to further improve their reliability. One of the main elements of a GTP is a rotor blade, which operates under high temperature and pressure conditions; special attention to the blades’ quality must b...

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Main Authors:	Gaponenko, S. O., Kondratiev, A. E., Zagretdinov, A. R., Arendatelev, I. G., Fedotova, A. O.
Format:	Conference Proceeding
Language:	English
Subjects:	Blanks Condition monitoring Defects Gas turbine engines High temperature Power plants Rotor blades Rotor blades (turbomachinery) Turbine blades
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creator	Gaponenko, S. O. Kondratiev, A. E. Zagretdinov, A. R. Arendatelev, I. G. Fedotova, A. O.
description	The widespread use of such power plants as gas turbine plants (GTP) imposes additional requirements to further improve their reliability. One of the main elements of a GTP is a rotor blade, which operates under high temperature and pressure conditions; special attention to the blades’ quality must be paid at the production stage, because timely detection of the defect will help avoiding emergency situations. The article discusses the issue of monitoring the technical condition of the rotor blade by the acoustic method. The results of field studies with a description of the measuring and diagnostic installation and the measurement procedure are presented. The objective comparison functions that most effectively reveal a crack in the leading edge of the airfoil of the rotor blade blanks are determined. The application of this method allows determining other characteristic defects of the blanks of GTP blades.
doi_str_mv	10.1063/5.0105591
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source	American Institute of Physics:Jisc Collections:Transitional Journals Agreement 2021-23 (Reading list)
subjects	Blanks Condition monitoring Defects Gas turbine engines High temperature Power plants Rotor blades Rotor blades (turbomachinery) Turbine blades
title	Analysis of the influence of defects in gas turbine blade blanks on their acoustic characteristics
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