A formation of the coarse droplets from the liquid films in steam turbine

Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F68407700%3A21220%2F18%3A00327100" target="_blank" >RIV/68407700:21220/18:00327100 - isvavai.cz</a>
Result on the web
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DOI - Digital Object Identifier
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Result language
angličtina
Original language name
A formation of the coarse droplets from the liquid films in steam turbine
Original language description
The paper introduces first results from a new steam/air wind tunnel built for the study of the coarse water droplets in the steam turbines. The purpose of the tunnel is a study of the water droplets formation from liquid films at high speed flow. The atomization of liquid is a widely studied problem for the liquid sprays and in the field of aerosol research. A similar phenomenon is found in steam turbines but mostly with undesirable effects, the coarse droplets have a negative effect on the reliability and efficiency of the turbines. The turbine blades are eroded by and also break the coarse droplets. The new wind tunnel is equipped with the classical pressure and temperature measurement for the determination of the initial condition in the settling chamber and measurement of the static pressure along the nozzle with known profile. The measurement with the photogrammetric method and light scattering is used for the determination of the size determination function of the droplets. The liquid film is produced on the standard symmetrical airfoil by the aqueous solution pumping. A different aqueous solution are studied.
Czech name
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Czech description
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Publication year
2018
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

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