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2. Numerical analysis of the long-term strength of the rotor disks of steam turbines.

Author

Shul'zhenko, N. G., Gontarovskii, P. P., Matyukhin, Yu. I., and Garmash, N. G.

Subjects
*NUMERICAL analysis, *STRENGTH of materials, *ROTORS, *TURBINES, *STRUCTURAL plates, *CORNER fillets
Abstract

We present the results of numerical analyses (in the three-dimensional statement) of the kinetics of stressed state and accumulation of dispersed defects in the zone of discharge holes in the rotor disks of a steam turbine in creep for 400,000 h. It is shown that the zones of discharge holes in the disks of the first two stages suffer the action of the highest stresses and the material in these zones is damaged more intensely that near the surface of the axial channel. [ABSTRACT FROM AUTHOR]

Published
2010
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