Calculation of the Heating and Ablation of Heat-Shielding Material in an Axisymmetric Statement

• Published in: High temperature Vol. 58; no. 2; pp. 227 - 231
• Main Authors: Minyushkin, D. N., Kryukov, I. A.
• Format: Journal Article
• Language: English
• Published: Moscow Pleiades Publishing 01-03-2020; Springer Nature B.V
• Subjects: Ablation; Atoms and Molecules in Strong Fields; Classical and Continuum Physics; Fluid dynamics; Heat and Mass Transfer and Physical Gasdynamics; Heat flux; Heat shielding; Heating; Industrial Chemistry/Chemical Engineering; Laser Matter Interaction; Materials Science; Mathematical analysis; Physical Chemistry; Physics; Physics and Astronomy; Sublimation
• ISSN: 0018-151X; 1608-3156
• DOI: 10.1134/S0018151X20020145

The paper describes a method for the calculation of the heating and ablation of heat-shielding material on moving grids. The convective heat flux is obtained from the calculation of the external flow according to the Navier–Stokes equations. Validation was carried out on experimental data obtained for the ablation of a sample from POCO graphite in a plasmatron. The calculations showed that both diffusion and sublimation modes exist in the ablation process.