| Issue |
EPJ Web of Conferences
Volume 114, 2016
EFM15 – Experimental Fluid Mechanics 2015
|
|
|---|---|---|
| Article Number | 02080 | |
| Number of page(s) | 6 | |
| Section | Contributions | |
| DOI | https://doi.org/10.1051/epjconf/201611402080 | |
| Published online | 28 March 2016 | |
https://doi.org/10.1051/epjconf/201611402080
Application of the balancing holes on the turbine stage discs with higher root reaction
1 Doosan Škoda Power, Experimental Research of Flow, Tylova 1/57 Pilsen 301 28, Czech Republic
2 Univerzity of West Bohemia, Department of Power System Engineering, Univerzitní 22 Pilsen 306 14, Czech Republic
3 Czech Technical University in Prague, Department of Fluid Dynamics and Thermodynamics, Technická 4, Prague 6, Czech Republic
a Corresponding author: lukas.mrozek@doosan.com
Published online: 28 March 2016
The influence of the flow area of balancing holes in the discs of a steam turbine on its thermodynamic efficiency is examined for turbine stages operating in the increased root reaction regime. The interstage seal flooding with steam is modelled. The impact is given on stage reaction changes, on mass flow adjustments, and on overpressure operating in the rotor disc.
© Owned by the authors, published by EDP Sciences, 2016
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