Abstract
The results of gas-dynamic design of a new flow part of a reactive type high-pressure cylinder (HPC) of the K-300 series condensing steam turbine are presented. The turbine was developed using a comprehensive methodology implemented in the IPMFlow software package. The methodology includes gas-dynamic calculations of various levels of complexity, as well as methods for analytical construction of the spatial shape of the blade rows based on a limited number of parameterized values. The real thermodynamic properties of water and steam were taken into account in 3D calculations of turbulent flows. At the final stage, 3D end-to-end calculations of the HPC, which consists of 18 stages, were carried out. The technology of parallel computing was applied in the said calculations. It is shown that a significant increase in efficiency and power has been achieved in the developed HPC due to the use of reactive type stages with modern smooth blade profiles and monotonic meridional contours.
Highlights
Despite the policy of the European Union to reduce greenhouse gas emissions [1] and high growth rates of "green" energy, steam turbines of TPPs and CHPPs make up a significant share in the total electricity generation balance
Method for calculation and analytical profiling of axial type flow parts The numerical study of the three-dimensional steam flow and the design of the steam turbine flow part were carried out using the IPMFlow software package, which is the development of earlier software packages FlowER and FlowER-U [15]
The new version of the highpressure cylinder (HPC) was developed in such a way that it would fit into the dimensions of the original flow part
Summary
Despite the policy of the European Union to reduce greenhouse gas emissions [1] and high growth rates of "green" energy, steam turbines of TPPs and CHPPs make up a significant share in the total electricity generation balance. The results of gas-dynamic design of a new flow part of a reactive type highpressure cylinder (HPC) of the K-300 series condensing steam turbine are presented.
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