Four-Dimensional Fuzzy Relation Investigation in Turbulence Kinetic Energy Distribution, Surface Cluster Modeling

Abstract

Multiphase stirred turbulence frequently emerges in the confined runner of high-pressure reversing valves. Due to the surface cluster modeling of kinetic energy distribution in turbulence flow field often exerts a considerable influence on its subsequent performance characteristics, the fuzzy relation mechanism between surface cluster modeling and turbulence kinetic energy distribution makes on-the-spot experimental conditions must be quantitatively analyzed. After determining the kinetic energy values of a series of selected representative flow field positions, some typical frequently used algorithms of surface modeling are applied to demonstrate the spatial distribution of turbulence kinetic energy in the objective valve runner area. On the basis of calculating the newly proposed mathematical features of those constructed energy distribution surface models, we are presenting a new four-dimensional relation quantitative evaluation method. Thus, the fuzzy relation mechanisms involving surface modeling algorithms, geometrical features of kinetic energy distribution surface, and on-the-spot experimental conditions are quantitatively investigated in detail, which result in the acquirement of final conclusions concerning their inherent mutual-influence mechanisms, and the internal mathematical relationship between all these participant counterparts simultaneously. Therefore, new research ideas for deeply studying turbulence kinetic energy properties in reversing valve runner are provided.