Proceedings Vol. 15 (2009)
ENGINEERING MECHANICS 2009
NATIONAL CONFERENCE WITH INTERNATIONAL PARTICIPATION
May 11 – 14, 2009, Svratka, Czech Republic
;
May 11 – 14, 2009, Svratka, Czech Republic
Editors: Jiří Náprstek and Cyril Fischer
Copyright © 2009 Institute of Theoretical and Applied Mechanics, Academy of Sciences of the Czech Republic, v.v.i., Prague
ISBN 978-80-86246-35-2 (printed, Extended Abstracts)
ISSN 1805-8248 (printed)
ISSN 1805-8256 (electronic)
ISSN 1805-8248 (printed)
ISSN 1805-8256 (electronic)
list of papers scientific commitee
Effect of protecting screen on the flow in control valves
L. Bednář, L. Tajč, J. Mach
pages 99 - 110, full text
pages 99 - 110, full text
The standard type of control valves used by steam turbines is described here. The pressure loss in a valve including a different choking rate on a screen is evaluated. Results from 3D numerical simulations and experimental investigation are presented here. The effect of the screen application, various forms of inlet chambers and inlet swirl of the flow on the losses is tested. The flow distribution in a valve with and without the screen is presented.
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Text and facts may be copied and used freely, but credit should be given to these Proceedings.
All papers were reviewed by members of the scientific committee.
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