Issue << content << Gas-Compressor Unit GTK-10-4. Axial Blow Compressor. Technical State Examination of Blade Assembly by Natural Oscillation Frequency Testing


DOI:

2012. . No. 4(58) - Dec 2012, pp. 17-19

Gas-Compressor Unit GTK-10-4. Axial Blow Compressor. Technical State Examination of Blade Assembly by Natural Oscillation Frequency Testing

I. I. Kryukov, P. A. Andreev, A. V. Moshnikov, B. S. Mochalov

About 700 gas-turbine units GTK-10-4 are used at the main gas pipelines in Russia. Extension of their lifetime and improvement of their parts and components reliability is connected with increase of technical state examination effectiveness according to Industrial Safety Regulations for gas pipeline compressor stations. In order to estimate the actual technical state of parts and components it is necessary to apply not only NDT methods and hardness monitoring but also vibration diagnostics research for the purpose of changes definition in the metal mechanical properties.
 
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