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NUMERICAL SIMULATION OF HEAT TRANSFER AND THERMO-EROSION DESTRUCTION OF A BLUNT BODY IN A SUPERSONIC DUSTY FLOW

DOI: 10.1615/ICHMT.2008.CHT.950
16 pages

T. V. Ershova
Institute of High Temperatures of the Russian Academy of Science, Moscow, Russia, 127412

D. S. Mikhatulin
Institute of High Temperatures of the Russian Academy of Science, Moscow, Russia, 127412

Dmitry L. Reviznikov
Moscow Aviation Institute, Volokolamskoe Shosse 4, 125993 Moscow, Russia; Dorodnicyn Computing Centre, Federal Research Center "Computer Science and Control" of Russian Academy of Sciences, 44, b. 2, Vavilov st., Moscow, 119333, Russia

Andrey V. Sposobin
Moscow Aviation Institute, Volokolamskoe Shosse 4, 125993 Moscow, Russia

Vladimir V. Vinnikov
Moscow Aviation Institute (State Technical University), Moscow, Russia

Abstract

This work is dedicated to the problems of numerical modeling of supersonic flow with an admixture of particles over blunt bodies. A complex mathematical model, including a model of two-phase flow in a shock layer and a model of heat and mass transfer in the destructing thermal protection coating is presented. The model of the two-phase shock layer is based on combination of an Euler description of the gas phase and a Lagrangian description of the dispersed phase. In so doing we use the full-scaled variant of the discrete-element method, i.e. it performs direct numerical modeling of the admixture dynamics. The effect of collisional and collisionless particle admixture on the flow of the carrying gas and convective heat transfer is studied as well as the direct impact of the two-phase flow on the streamlined body.

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