Centrifugal forces influence of statics and dynamics of gas turbine engines elements

Authors

  • Юрий Сергеевич Воробьев A.N. Podgorny Institute of Mechanical Engineering Problems of Nationally Academy of Sciences of Ukraine Dm. Pozharskogo st., 2/10, Kharkov, 61046, Ukraine
  • Наталья Юрьевна Овчарова A.N. Podgorny Institute of Mechanical Engineering Problems of Nationally Academy of Sciences of Ukraine Dm. Pozharskogo st., 2/10, Kharkov, 61046, Ukraine
  • Константин Дмитриевич Тыртышников Postgraduate Department of Gasgidromechanics and Thermalmassexchange, Ukraine

DOI:

https://doi.org/10.15587/1729-4061.2013.14879

Keywords:

Centrifugal Forces, Blades, Single Crystal Materials, Local Impact, Vibrations, Statics

Abstract

The analysis of influence of centrifugal forces on the statics and dynamics of gas turbine engines is considered. The peculiarities of the stress-strain state of the compressor and cooled single crystal blades by centrifugal force are discussed. Three-dimensional models and the finite element method are used. The effect of centrifugal force on the natural frequencies, mode shapes and the relative intensity distribution of the stresses of compressor blades are shows. Dynamics stress-strain state of gas turbines engines cases under local impact is considered. Depending on the impact speed deformation take place in the elastic or elastic-plastic stage. Account of the considered factors can improves strength of elements of gas turbine engines.

Author Biographies

Юрий Сергеевич Воробьев, A.N. Podgorny Institute of Mechanical Engineering Problems of Nationally Academy of Sciences of Ukraine Dm. Pozharskogo st., 2/10, Kharkov, 61046

Doctor of technical sciences , professor

Chief of Department

Non-stationary Mechanical Processes Department 

Наталья Юрьевна Овчарова, A.N. Podgorny Institute of Mechanical Engineering Problems of Nationally Academy of Sciences of Ukraine Dm. Pozharskogo st., 2/10, Kharkov, 61046

Engineer I category

Non-stationary Mechanical Processes Department 

Константин Дмитриевич Тыртышников, Postgraduate Department of Gasgidromechanics and Thermalmassexchange

NationalTechnicalUniversity«Kharkov Polytechnic Institute»

Frunzest., 21,Kharkov, 61002

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Published

2013-06-19

How to Cite

Воробьев, Ю. С., Овчарова, Н. Ю., & Тыртышников, К. Д. (2013). Centrifugal forces influence of statics and dynamics of gas turbine engines elements. Eastern-European Journal of Enterprise Technologies, 3(12(63), 47–49. https://doi.org/10.15587/1729-4061.2013.14879

Issue

Vol. 3 No. 12(63) (2013): MODERN TECHNOLOGIES IN THE GAS-TURBINE

Section

Modern technologies in the gas-turbine

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Copyright (c) 2014 Юрий Сергеевич Воробьев, Наталья Юрьевна Овчарова, Константин Дмитриевич Тыртышников

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