| Issue |
EPJ Web of Conferences
Volume 25, 2012
EFM11 – Experimental Fluid Mechanics 2011
|
|
|---|---|---|
| Article Number | 01024 | |
| Number of page(s) | 12 | |
| Section | Experimental Fluid Mechanics 2011 | |
| DOI | https://doi.org/10.1051/epjconf/20122501024 | |
| Published online | 16 April 2012 | |
https://doi.org/10.1051/epjconf/20122501024
Effect of internal elements of the steam turbine exhaust hood on losses
ŠKODA POWER s.r.o., Tylova 1/57, Plzeň, 30128
michal.hoznedl@doosan.com ; ales.pacak@doosan.com ; ladislay.tajcPdoosan.com
The document deals with the flow in the exhaust hood of a single flow steam turbine. The effect of the shape of the external case of the hood and the position and dimensions of the internal reinforcements on the energy loss coefficient is evaluated. Using this coefficient, it is possible to determine the gained or lost output in the diffuser and the entire exhaust hood at a known flow and efficiency of the last stage. Flow research in the exhaust hood was performed especially using numeric simulations; some variants were verified experimentally in the aerodynamic wind tunnel.
© Owned by the authors, published by EDP Sciences, 2012
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