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Information × Registration Number 0224U000448, 0119U000655 , R & D reports Title The modeling and investigation of physical processes in the power machines parts for efficiency and reliability improvement popup.stage_title Head Rusanov Andrii V., Доктор технічних наук Registration Date 08-01-2024 Organization A. Podgorny Institute of Mechanical Engineering Problems of the National Academy of Sciences of Ukraine popup.description2 Models and methods for flow calculations of power plant flow parts, taking into account phase transitions and real properties of working fluids, complex methods for designing elements of flow parts of various types of power plants, a method of spatial profiling of blades of the runners of radial-axial pump-turbines, a software package for numerical study of the coupled problem of blade aeroelasticity, taking into account the mistuning of the blades' natural forms and oscillation frequencies, interaction of adjacent stages in the compartment, solving problems of analyzing the strength and dynamics of structural elements of power machines with regard to hydroelastic effects, unsteady force and seismic effects, methods for assessing the strength and vibration characteristics of fuel tanks with regard to the effects of splashing and the presence of microdefects, and methods for assessing the strength of a fuel tank model during transportation in the presence of a microdefect, were developed and improved. The study of the influence of the main geometric and operational parameters of the flow parts of power plants on their distributed and integrated hydrodynamic characteristics, numerical studies of flow in low, medium and high pressure cylinders of steam turbines, centrifugal turbine of the air starter, study of working processes in the flow parts of pump-turbines for PSPs, determination of the influence of spatial profiling of runner blades on energy and pulsation characteristics, modernization and metrological certification of the hydrodynamic stand, experimental study of energy and pulsation characteristics of pump-turbine flow parts for PSPs, numerical analysis of the aeroelastic behavior of turbomachinery stages with partial and full supply, blade oscillations, irregularities in the circumferential direction, mistuning of natural forms and the influence of the steam turbine exhaust, study of the state of fuel tank elements under cyclic loads, assessment of the stren Product Description popup.authors popup.nrat_date 2024-01-08 Close