Wet-steam erosion of steam turbine disks and shafts

  • N. V. Averkina
  • I. V. Zheleznyak
  • Yu. Ya. Kachuriner
  • I. A. Nosovitskii
  • V. G. Orlik
  • V. I. Shishkin

A study of wet-steam erosion of the disks and the rotor bosses or housings of turbines in thermal and nuclear power plants shows that the rate of wear does not depend on the diagrammed degree of moisture, but is determined by moisture condensing on the surfaces of the diaphragms and steam inlet components. Renovating the diaphragm seals as an assembly with condensate removal provides a manifold reduction in the erosion.


steam turbine rotor stage disk moist steam condensation erosion 


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Copyright information

© Springer Science+Business Media, Inc. 2011

Authors and Affiliations

  • N. V. Averkina
    • 1
  • I. V. Zheleznyak
    • 2
  • Yu. Ya. Kachuriner
    • 1
  • I. A. Nosovitskii
    • 1
  • V. G. Orlik
    • 1
  • V. I. Shishkin
    • 2
  1. 1.JSC “NPO TsKTI”MoscowRussia
  2. 2.Leningradskaya AÉS branch of JSC “Kontsern Rosénergoatom”MoscowRussia

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