The purpose of this article is summarize experiments and knowledge about turbine control valves base on published articles and create more complex thesis about transient flow behaviour inside of valve. Next task of this article is point out reader to way leads to optimal design with as small as possible operation troubles. Troubles can be caused by non-design operation or by wrong shape design of inner parts how is written below.

Topics
Flow instabilities
1.
Domnick
,
C.
;
Bedra
,
F.
,
Dohmen
 
H.
,
Mush
 
Ch.
,
Numerical investigation on the time-variant flow field and dynamic forces acting in steam turbine inlet valves – ASME Turbo Expo 2014
,
Siemens Energy, Dusseldorf
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2.
Šťastný
,
M.
;
Bednář
,
L.
,
Tajč
 
L.
,
Kolář
 
M.
,
Martinů
 
P.
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Matas
 
R.
 
Pulsating flows in the inlet of a nuclear steam turbine – 5th European Conference on Turbomachinery, Škoda Energo
,
TechSoft Engineering Praha, ZČU
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Praha
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2003
3.
Tajč
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L.
;
Bednář
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L.
,
Makarov
 
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Li-Fei
 
Zeng
;
Guan-Wei
 
Liu
,
Jing-Ru
 
Mao
,
Shun-Sen
 
Wang
,
Qi
 
Yuan
,
Hao
 
Yuan
,
Kai-Ge
 
Wang
,
Jun-Jie
 
Zhang
,
Ya-Tao
 
Xu
,
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,
Plzeň
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Bednář
,
L.
,
Tajč
 
L.
,
Pašek
 
R.
,
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,
Plzeň
7.
Guanwei
 
Liu
,
Shunsen
 
Wang
,
Hui
 
Guo
,
Jingru
 
Mao
,
Zhenping
 
Feng
,
Xiaowei
 
Xiang
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,
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8.
Domnick
,
C.
;
Bedra
,
F.
,
Dohmen
 
H.
,
Mush
 
Ch.
,
Brillert
 
F.
,
Improving the design of steam turbine inlet valves by numerical methods for enhanced part load operation – 11th European Conference on Turbomachinery Fluid dynamics & Thermodynamics
,
University of Duisburg-Essen
,
Siemens AG, Madrid
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9.
Yonezawa
,
K.
;
Toyohira
,
Y.
,
Nagashima
 
T.
,
Tsujimoto
 
Y.
,
Tezuka
 
K.
,
Mori
 
M.
,
Morita
 
R.
,
Inada
 
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,
K.
;
Toyohira
,
Y.
,
Nagashima
 
T.
,
Tsujimoto
 
Y.
,
Tezuka
 
K.
,
Mori
 
M.
,
Morita
 
R.
,
Inada
 
F.
,
An experimental study of unsteady transonic flow in a steam control valve with simple model
–
Journal of environment and engineering, Osaka University, Central research institute of electric power industry
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11.
Clari
,
M.
;
Polklas
,
T.
,
Joos
 
F.
,
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2011
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12.
Maršík
,
F.
,
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2017
Author(s)