The Diffusion of Vorticity from a Plane Boundary.

Abstract

Any discontinuity in flow at a plane boundary is dispersed by the diffusion of vorticity into a boundary layer and wake. Experimental measurements in the past have been correlated with empirical formulations. A generalization gives both the horizontal component and the vertical component of the mean velocity. In the laminar sublayer the velocity is a solution of the diffusion equation. In the turbulent boundary layer the velocity can be expressed by a Fourier integral. In the free stream there is a vertical persistence of velocity. The computation of velocity is provided by subroutines. Keywords: Fourier analysis, Numerical analysis, Hydrodynamics.

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Document Details

Document Type
Technical Report
Publication Date
Sep 01, 1988
Accession Number
ADA192706

Entities

People

  • A. V. Hershey

Organizations

  • Naval Postgraduate School

Tags

Communities of Interest

  • Air Platforms
  • Weapons Technologies

DTIC Thesaurus Topics

  • Boundary Layer
  • Computational Fluid Dynamics
  • Computational Science
  • Computers
  • Differential Equations
  • Equations
  • Fluid Mechanics
  • Fourier Analysis
  • Free Stream
  • Hydrodynamics
  • Numerical Analysis
  • Reynolds Number
  • Schools
  • Shear Stresses
  • Theorems
  • Turbulent Boundary Layer
  • Two Dimensional

Readers

  • Fluid Dynamics.