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Steam Turbine Revision

By Tomáš Potměšil


This work deals with current application of the developing field of post-warranty service of old turbines in the energy sector. There are described various types of repairs following the recommendations of commonly performed actions. Revision finding is focused on back-pressure steam turbine marked R12-9 / 2, which was scheduled for overhaul after 180 000 operating hours. Revision findings include a detailed description of the turbine and method of repair. It is also performed calculating the losses in the axial blade stage of cascade by AMDC-KO methodology on because of the choice type of blading and then comparing by technical justification for the choice of one of the variants for the customer

Topics: ztráty v lopatkové mříži; revizní nález; Service; ztrátový koeficient; loss factor; the loss in blade cascade; revision findings; Servis; AMDC-KO.
Publisher: Vysoké učení technické v Brně. Fakulta strojního inženýrství
Year: 2011
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