Abstract
The current study deals with a methodology for numerical modeling, research and analysis of flow parameters distribution in a 3D turbine stage with twisted rotor blade. The object under consideration is the forth stage of one of two low pressure turbine aggregates, working in Kozloduy Nuclear Power Plant, Bulgaria. A logical sequence for modeling of 3D viscous, compressible and turbulent flow in turbine stage, with moving twisted rotor blade, is accessed, as a result of the performed research works. Approaches how to attain high quality mesh grid and overcome convergence problems were established. The elaborated methodology was applied for research of boundary layer development; radial gap effects on flow aerodynamics in turbine stages; erosion effects over turbine blades working in wet steam; roughness influence over turbine blade surface, etc.
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Acknowledgments
The research work, presented herein, is a small part of dissertation thesis, accomplished in Technical University-Varna, Bulgaria. Specific codes, elaborated for the purposes of flow analysis are not shown and discussed here. I am gratefull to my supervisor Prof. Dr. Rumen Yossifov for his patience, support and precious ideas during my study.
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Ilieva, G.I. (2015). Numerical Modeling and Research of 3D Turbine Stage. In: Shaari, K., Awang, M. (eds) Engineering Applications of Computational Fluid Dynamics. Advanced Structured Materials, vol 44. Springer, Cham. https://doi.org/10.1007/978-3-319-02836-1_8
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