Viscous Modeling of the Interior Ballistic Cycle

Abstract

The propellant gas flow behind a projectile inside of a tube weapon is investigated numerically. The main subject is coupled to the viscosity related phenomena such as boundary layer formation, turbulence and heat transfer to the wall. Therefore, the full Navier-Stokes equations are used to describe the gas flow. Different kinds of turbulence models are implemented. Comparisons with experimental results are performed. The DELTA code is used as the basis for the numerical simulation and extended properly for turbulence and heat transfer. Several numerical results are presented. Fundamental thoughts on the numerics are added.

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Document Details

Document Type
Technical Report
Publication Date
Oct 18, 1991
Accession Number
ADA244060

Entities

People

  • R. Helser

Tags

Communities of Interest

  • Weapons Technologies

DTIC Thesaurus Topics

  • Axial Flow
  • Boltzmann Equation
  • Boundary Layer
  • Computational Fluid Dynamics
  • Computers
  • Convection
  • Differential Equations
  • Fluid Dynamics
  • Fluid Flow
  • Gas Flow
  • Gun Barrels
  • Heat Transfer
  • Navier Stokes Equations
  • Specific Heat
  • Thermal Conductivity
  • Turbulent Flow
  • Viscous Flow

Fields of Study

  • Physics

Readers

  • Computational Modeling and Simulation
  • Finite Element Method (FEM) for solving Partial Differential Equations (PDEs)
  • Fluid Dynamics.