Application of Computational Fluid Dynamics to the Analysis of the Aerodynamics of a Railgun Projectile

Abstract

An existing computational capability has been applied to assess the aerodynamic performance of a novel railgun projectile currently being investigated. The viscous flow field over the railgun configuration has been computed using a Parabolized Navier-Stokes computations technique. The configuration has been determined. Using the computed pitch-plane aerodynamic coefficients, it was concluded that the proposed design is aerodynamically stable. Keywords: Projectile trajectories; Supersonic characteristics; Hypersonic characteristics; Railgun projectiles; Parabolized Navier-Stokes Equations; Computational fluid dynamics.

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Document Details

Document Type
Technical Report
Publication Date
Mar 01, 1989
Accession Number
ADA207758

Entities

People

  • Paul Weinacht

Organizations

  • Ballistic Research Laboratory

Tags

Communities of Interest

  • Air Platforms

DTIC Thesaurus Topics

  • Boundary Layer
  • Center Of Gravity
  • Classification
  • Coefficients
  • Computational Fluid Dynamics
  • Computations
  • Equations
  • Flow
  • Flow Fields
  • Fluid Dynamics
  • Fluid Flow
  • Ideal Gas Law
  • Layers
  • Mach Number
  • Navier Stokes Equations
  • Security
  • Viscous Flow

Fields of Study

  • Physics

Readers

  • Aerodynamics/Aeronautics.
  • Fluid Mechanics and Fluid Dynamics.
  • ballistics.

Technology Areas

  • Hypersonics