A Numerical Viscous-Inviscid Interaction Algorithm for Prediction of Near-Field VSTOL Jet-Induced Flowfields.

Abstract

A turbulent-inviscid numberical interaction algorithm is derived and evaluated for detailed determination of the near-field flow of a jet injected perpendicular to a crosswind. The two distinct solution domains are pressure coupled through a Poisson equation solution, and entrainment-induced mass flux is an iteration variable. Finite element procedures are employed for solution of the resulting non-linear initial-boundary value equations. Key results are discussed documenting viability for analysis of a round-jet at a velocity ratio equal to eight. (Author)

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Document Details

Document Type
Technical Report
Publication Date
Feb 01, 1979
Accession Number
ADA074070

Entities

People

  • A. J. Baker
  • P. D. Manhardt

Tags

Communities of Interest

  • Air Platforms
  • C4I
  • Energy and Power Technologies
  • Weapons Technologies

DTIC Thesaurus Topics

  • Boundary Layer
  • Computational Fluid Dynamics
  • Computational Science
  • Differential Equations
  • Fluid Dynamics
  • Fluid Mechanics
  • Inviscid Flow
  • Mechanics
  • Navier Stokes Equations
  • Partial Differential Equations
  • Pressure Distribution
  • Stratified Fluids
  • Three Dimensional
  • Turbulent Flow
  • Turbulent Mixing
  • Two Dimensional
  • Viscous Flow

Fields of Study

  • Physics

Readers

  • Aerodynamics/Aeronautics.
  • Computational Fluid Dynamics (CFD)
  • Finite Element Method (FEM) for solving Partial Differential Equations (PDEs)