The Algorithm of Gas Dynamic Calculation on Asymmetric Cones by the Method of Local Wedges and Cones

Abstract

Studies related to alteration in the shape of a body moving in the dense layers of the Earth’s atmosphere at high speed are associated with the need to consider an entire set of problems having no strict physical and mathematical description. To solve problems of this kind, it becomes necessary to use semi-empirical approaches tested on fundamental experimental data obtained in a fairly wide range of determining factors on the models characterized, as a rule, by an extremely simple pattern of the gas flow. Introduction of this mathematical description in real operating conditions is characterized by the need to study the processes of gas dynamics and heat transfer in the three-dimensional formulation combined with the complex nature of their course. These processes determine alteration in the shape of a body causing serious problems associated with rigorous solution of this complex mutually conjugate problem. As a result, there appeared a large number of publications devoted to approximate methods for calculating the spatial flow around bodies by the gas flow used to calculate intensity of the convective heat transfer. This article describes in detail the algorithm for solving the problem of spatial flow around blunt cones by the method of local wedges and cones