Fatigue is one of the most important aging effects of power plant components. Information about fatigue helps in assessing structural degradation of the component and so assists in planning in-service inspection and maintenance. In this paper, we present a computation method that can be used to estimate the working life consumption of a steam turbine rotor. In the method, creep and low cycle material damage were considered. The calculations are based on the Palmgren–Miner hypothesis of linear damage accumulation. The computation was done utilizing the Microsoft Excel software package and the VISUAL BASIC for application programming language. As a reference, we used the MAN-339 MW steam turbine installed in the “Kosovo-B” power plant station in Obilic. This method can be implemented to other parts of the power plant that will result in better organization of the maintenance and ultimate enhancement of the reliability and availability of the plant.
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e-mail: mitrod@masfak.ni.ac.rs
e-mail: dzivkovic@masfak.ni.ac.rs
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April 2010
Research Papers
Computation of Working Life Consumption of a Steam Turbine Rotor
Dejan Mitrović,
Dejan Mitrović
Faculty of Mechanical Engineering,
e-mail: mitrod@masfak.ni.ac.rs
University of Nis Serbia
, 14 Aleksandra Medvedeva Street, 18000 Nis, Serbia
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Dragoljub Zivkovic
Dragoljub Zivkovic
Faculty of Mechanical Engineering,
e-mail: dzivkovic@masfak.ni.ac.rs
University of Nis Serbia
, 14 Aleksandra Medvedeva Street, 18000 Nis, Serbia
Search for other works by this author on:
Dejan Mitrović
Faculty of Mechanical Engineering,
University of Nis Serbia
, 14 Aleksandra Medvedeva Street, 18000 Nis, Serbiae-mail: mitrod@masfak.ni.ac.rs
Dragoljub Zivkovic
Faculty of Mechanical Engineering,
University of Nis Serbia
, 14 Aleksandra Medvedeva Street, 18000 Nis, Serbiae-mail: dzivkovic@masfak.ni.ac.rs
J. Pressure Vessel Technol. Apr 2010, 132(2): 021202 (6 pages)
Published Online: January 19, 2010
Article history
Received:
March 13, 2009
Revised:
July 17, 2009
Online:
January 19, 2010
Published:
January 19, 2010
Citation
Mitrović, D., and Zivkovic, D. (January 19, 2010). "Computation of Working Life Consumption of a Steam Turbine Rotor." ASME. J. Pressure Vessel Technol. April 2010; 132(2): 021202. https://doi.org/10.1115/1.4000512
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