| Issue |
EPJ Web of Conferences
Volume 25, 2012
EFM11 – Experimental Fluid Mechanics 2011
|
|
|---|---|---|
| Article Number | 01052 | |
| Number of page(s) | 12 | |
| Section | Experimental Fluid Mechanics 2011 | |
| DOI | https://doi.org/10.1051/epjconf/20122501052 | |
| Published online | 16 April 2012 | |
https://doi.org/10.1051/epjconf/20122501052
Some aspects of numerical simulation of control valves for steam turbines
1
ŠKODA POWER s.r.o., Tylova 1/57, 301 28 Plzeň, Czech Republic
martin.hajsman@doosan.com ; dana.kovandova@doosan.com
2
Západočeská univerzita v Plzni, Univerzitní 8, 306 14 Plzeň, Czech Republic
mata@ntc.zcu.cz
The contribution deals with the numerical simulation of air and steam flow through the model of control valve for steam turbines. Numerical simulations were compared with experimental measurements for the award of the same boundary conditions. Valve characteristics have been computed for individual travel heights and pressure ratios of two variants of seat inflow angle (90° and 60°). Some other aspects are discussed in the article - comparison of the axysymmetric and 3D modelling, influence of the computational domain size, comparison of characteristics for two flow media, experimental model of the valve etc. The mentioned results are important for engineering simulations and also for design of the control valves for steam turbines of the large output.
© Owned by the authors, published by EDP Sciences, 2012
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