The definition of loss factors for the valve chamber and the control valve diffuser is stated. Optimal valve chamber dimensions are looked for to ensure minimal energy lo [...]

The cone shape alterations are given for balanced control valves of steam turbines and their influence is assessed on the flow field in the valve outlet diffuser. Suitabl [...]

Computational study of pressure and energy losses in the control valve of the steam turbine is carried out. The impact of misalignment of a valve cone toward the valve ch [...]

The results from aerodynamic research on the model control valve with profiling cone of steam turbine !KODA are presented. Experimental work was realized in the research [...]

Measurement of temperatures at the tip of the last stage during startup and idle operation of the turbine with nominal output of 1000 MW is described. Monitoring of liqui [...]

This is the description of an experiment focused on the determination of the aerodynamic force acting on a cone of a balanced control valve. The force determined from the [...]

The results from numerical simulation of flow in labyrinth seals with naturally or artificially manufactured grooves situated in front of strips are presented here. The m [...]

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. Re [...]

Two types of tripping valves and control valves combination are investigated. The conception marked as valve in valve is compared with the conception two valves in one bo [...]

The influence of surface roughness in energetic losses on a turbine blade cascade is presented here. The impact of Reynolds and Mach number by the different surface rough [...]