Experimental investigation of profile and secondary losses is presented here. The loss coefficients of different types of blade cascades are evaluated, the efficiency of [...]

This paper deals with a computer simulation of coupled heat and moisture transfer in a reactor vessel which affected shrinkage and creep of the structure. The mathematica [...]

The aim of this contribution is comparing the results of the solution of steam piping response to the guillotine rupture at the variation of some parameters of the select [...]

A stage with impulse blading on a drum rotor is considered. Steam leakage through the shroud and shaft sealing has been determined by means of a numerical simulation. The [...]

Abstrakt:

Abstrakt: Vibrations of VVER 1000 pipeline. This contribution explains the causes of highfrequency pipeline vibrations between regulation valves and 1000 MW turbine body [...]

A new experimental set-up and measuring methods for the investigation of a channel flow with a backward-facing step on one wall are described. The rectangular cross secti [...]

Are given the results of the calculation study of the streaming in the stage with different admission rates and in the chamber between grades (stages) with different admi [...]

Dynamics of separation process of a turbulent boundary layer subjected to adverse pressure gradient is studied experimentally. The Time Resolved PIV method is used to acq [...]

Presented paper deals with computational fatigue strength prediction of high pressure level steam turbine blade pin joints. Quazi-static FE analysis of one turbine disk s [...]

This paper presents a simulation of 3D curved crack propagation in a steam turbine blade lock. These fatigue cracks are often initiated near a blade root contact zone. Tw [...]

The basic form of the exhaust hood for single flow arrangement of steam turbine was designed by the experience from the optimization process of hoods for double flow arra [...]

This contribution describes the experimental indirect identification method for linear damped dynamic systems with multiple inputs and multiple outputs (so called MIMO sy [...]

Despite long evolution dating long time back, fracture processes still remain a big challenge for engineers and researchers all over the world. Lately, together with “t [...]

Spray cooling is an integral part of many manufacturing processes. This paper describes the cooling qualities of some coolants different from water. Emulsions, mineral lu [...]

The presented poster deals with the Finite Element Analysis dynamical model of VVER 1000 nuclear reactor control rod drive (LKP-M/3). It describes the setting up of the c [...]

The principle of a steam turbine balanced control system is presented here. The dynamic stress measurement method in parts of valves on its models in the aerodynamic wind [...]

The point of this paper is the comparison between the different kind of shapes turbine blades in relation to efficiency of the stage. The first part of the paper deals wi [...]

Experimentally investigated pressure pulsation downstream of the control valve cone is presented here. The valve with the mufflers and the flat bottom is compared with th [...]

The paper describes effects of end wall shaping in guide blades on steam turbine stage efficiency. CFD and measurement of straight blade cascades in a wind tunnel were pe [...]

Outcomes of a numerical simulation of flow through an unbalanced control valve during the turbine's operational modes. A 2D as well as a 3D calculation study is considere [...]

Abstrakt: This contribution deals with the functional description and initial setting of the Reactor Vibration Monitoring System (RVMS) that is supplied as a part of the [...]

The reactors VVER – 440 are cooled and moderated by pressurized water – PWR. The primary coolant is subcooled in the PWR and steam is generated by transferring energy [...]