Aircraft Vortex Wake Descent and Decay under Real Atmospheric Effects

Abstract

Aircraft vortex wake descent and decay in a real atmosphere is studied analytically. Factors relating to encounter hazard, wake generation, wake descent and stability, and atmospheric dynamics are considered. Operational equations for encounter hazard, wake generation, and atmospheric dynamics are given, including a brief description of a possible automatic meteorological system to provide atmospheric data for an airport wake forecasting program. A new analysis for Crow instability in ambient turbulence is given, expressing time-to-linkage as an explicit function of the turbulent dissipation.

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Document Details

Document Type
Technical Report
Publication Date
Oct 01, 1973
Accession Number
AD0771311

Entities

People

  • E. R. Bate
  • I. H. Tombach
  • P. B. Lissaman
  • P. B. Maccready Jr.
  • S. C. Crow

Tags

Communities of Interest

  • Air Platforms
  • Energy and Power Technologies
  • Weapons Technologies

DTIC Thesaurus Topics

  • Aircrafts
  • Atmospheric Motion
  • Boundary Layer
  • Buoyancy
  • Computational Fluid Dynamics
  • Computational Science
  • Flow Visualization
  • Fluid Dynamics
  • Hydrodynamics
  • Jet Transport Aircraft
  • Mechanical Properties
  • Meteorology
  • Stratified Fluids
  • Transport Aircraft
  • Turbulence
  • Turbulent Mixing
  • Two Dimensional

Fields of Study

  • Environmental science
  • Physics

Readers

  • Aerospace Engineering
  • Atmospheric Science/Meteorology
  • Fluid Mechanics and Fluid Dynamics.