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Copper deposition on and surface structure of steam turbine blades

Citace: [] ŠŤASTNÝ, M., BLÁHOVÁ, O., ŠIMŮNEK, D. Copper deposition on and surface structure of steam turbine blades. PowerPlant Chemistry, 2003, č. 9, s. 548-552. ISSN: 1438-5325
Druh: ČLÁNEK
Jazyk publikace: eng
Anglický název: Copper deposition on and surface structure of steam turbine blades
Rok vydání: 2003
Autoři: Miroslav Šťastný , Olga Bláhová , Dalibor Šimůnek
Abstrakt EN: On the observed 200 MW turbine, thick deposits of copper oxides with a maximum thickness of 2.2 mm were found on the stages of HP part blades. The growth time of the deposits was 54 647 operational hours, without a turbine washing. The morphology of the deposits indicates that the deposits probably originated from the mechanical carryover, or from condensate used in the boiler for steam temperature control. Measurement of the blade surface structure with deposits was performed by means of a portable device.
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