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Strength Analysis of AL-7F-1 Engine Turbine Rotor Blade

[+] Author Affiliations
Marek Klimko, Tomas Noga, Jiri Linhart

University of West Bohemia, Pilsen, Czech Republic

Lukas Mrozek

Doosan Skoda Power, Pilsen, Czech Republic

Paper No. IMECE2016-65251, pp. V009T12A029; 6 pages
  • ASME 2016 International Mechanical Engineering Congress and Exposition
  • Volume 9: Mechanics of Solids, Structures and Fluids; NDE, Diagnosis, and Prognosis
  • Phoenix, Arizona, USA, November 11–17, 2016
  • Conference Sponsors: ASME
  • ISBN: 978-0-7918-5063-3
  • Copyright © 2016 by ASME


The key intent of the article is to describe clearly the strength issue of blades for aircraft engines, on the basis of which to create a calculation algorithm and apply it to a particular blade. The work then deals with a strength analysis of a rotor blade used in the gas turbine of an AL-7F-1 turbocharger aircraft engine. The article describes comprehensively in terms of strength the influences which act on the blade during operation. Generally, these loads can be divided into static load, which includes the tensile stress generated by the rotating mass of the blades, bending and torsion moments caused by the kinetic energy of the flowing gas. The last part of the article is dedicated to the issue of compensation of the bending moments acting on the turbine blades, resulting in analytical calculation of the blade inclination angles in the critical cross section.

Copyright © 2016 by ASME
Topics: Engines , Rotors , Turbines , Blades



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