UNSTEADY STATE DESTRUCTION OF GLASS-LIKE MATERIALS IN A SUPERSONIC GAS,

Abstract

An approximate analytical solution was obtained for the problem of unsteady destruction of homogeneous glass-like materials in the region of the critical point (line) at constant (or slightly changing) conditions in the external flow. There is a clear expression for the rate of destruction of a material and the dependence of the surface temperature on time in the form of a quadrature. It was shown that the rate of destruction is determined by the surface temperature of the material and barely depends upon the rate of heating the surface. For comparatively low surface temperatures up to 2300K there is a 'sublimation' character of destruction (the degree of gasification is close to one) and removal does not occur in the liquid phase. The results of theoretical calculations are compared with experiments. (Author)

Document Details

Document Type
Technical Report
Publication Date
Feb 01, 1966
Accession Number
AD0629472

Entities

People

  • B. I. Reznikov

Organizations

  • National Air and Space Intelligence Center

Tags

DTIC Thesaurus Topics

  • Critical Temperature
  • Fluids
  • Glass Transition Temperature
  • Liquid Phases
  • Liquids
  • Materials
  • Personality
  • Phase
  • Sublimation
  • Surface Temperature
  • Transition Temperature

Fields of Study

  • Physics

Readers

  • Combustion science or combustion engineering.
  • Fluid Dynamics.
  • Materials Science and Engineering.

Technology Areas

  • Hypersonics
  • Hypersonics - Hypersonic Flight