Research and Development of Recommendations for Building a Computational Grid for Numerical Simulation of Typical Internal and External Flows in Relation to Aeronautical Engineering Problems
摘要
Abstract
Recommendations were developed for estimating the size of computational grid cells in the numerical modeling of external and internal flows in relation to aeronautical engineering problems. Recommendations are obtained in the form of criterial relations connecting the dimensionless scale of the global grid element with regime and geometric characteristics, which make it possible to a priori estimate the cell size that ensures grid convergence of the solution. The paper presents the results of developing correlations for typical channels of a turbine blade cooling system as well as for a typical airfoil.