Multi-Dimensional Simulation of ETC Gun Flowfields.

Abstract

Progress made in the development of advanced computational methodology for simulating multi-dimensional processes in ETC guns is described. The CRAFr upwind/implicit Navier-Stokes code has been extended to include complex multiphase capabilities associated with liquid and solid propellant guns. In particular, a gas/bulk liquid equilibrium formulation for liquid propellants and a nonequilibrium Lagrangian fluidized bed formulation for solid propellants has been incorporated along with plasma generation module coupling. Turbulence is simulated using large eddy simulation (LES) methodology. Fundamental studies as well as simulations of liquid and solid propellant ETC gun firings are described.

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Document Details

Document Type
Technical Report
Publication Date
Aug 01, 1995
Accession Number
ADA300192

Entities

People

  • A. Hasangadi
  • N. Sinha
  • S. M. Dash

Organizations

  • Leidos

Tags

Communities of Interest

  • Energy and Power Technologies
  • Weapons Technologies

DTIC Thesaurus Topics

  • Boundary Layer
  • Combustion
  • Combustion Products
  • Computational Fluid Dynamics
  • Computational Science
  • Equations Of State
  • Fluid Dynamics
  • Fluid Mechanics
  • Large Eddy Simulation
  • Military Research
  • Physics Laboratories
  • Pressure Distribution
  • Solid Propellants
  • Thermodynamics
  • Three Dimensional
  • Turbulent Mixing
  • Two Dimensional

Fields of Study

  • Physics

Readers

  • Computational Fluid Dynamics (CFD)
  • Materials Science and Engineering.
  • ballistics.