Abstract
The contribution subscribes a numerical simulation of a steam flow through a balanced control valve. The influence of some parameters in simulations were tested, analyzed and discussed. As a result of the simulations a graph of aerodynamics forces for a specific turbine characteristic was obtained. The results from numerical simulations were compared with results from experiments. The experiment was performed with an air flow, but the final data were converted with a criterion to steam flow.
Highlights
Development of a new type of valve for steam turbines raises a number of questions regarding its flow and force characteristics
The contribution subscribes a numerical simulation of a steam flow through a balanced control valve
The experiment was performed with an air flow, but the final data were converted with a criterion to steam flow
Summary
Development of a new type of valve for steam turbines raises a number of questions regarding its flow and force characteristics. In order to determine the behaviour of the newly designed valve intended even for large outputs and high steam parameters design methods, CFD simulation and experimental measuring on models are applied [1, 3]. The objective is to secure low losses, reliability within a wide range of operation modes and a suitable force characteristic for controlling
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