Laminar Flows Past Elliptic Cylinders at Various Angles of Attack

Abstract

Numerical solutions for laminar incompressible fluid flows past thin elliptic cylinders at various angles of attack are obtained using a stream function-vorticity formulation. The flow is considered to be two-dimensional and time-dependent. Potential flow is selected as the initial condition. Almost steady-state solutions have been computed for the cases alpha = 0 deg, Re = 200; alpha = 45 deg, Re = 15; and alpha = 90 deg, Re=10 where alpha and Re are the angle of attack and the Reynolds number, respectively. Vortex shedding has been studied for alpha = 45 deg, Re = 30 and 200.

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Document Details

Document Type
Technical Report
Publication Date
Feb 01, 1972
Accession Number
AD0743054

Entities

People

  • David W Taylor
  • Hans J. Lugt
  • Henry J. Haussling

Tags

Communities of Interest

  • Air Platforms
  • Ground and Sea Platforms

DTIC Thesaurus Topics

  • Computational Fluid Dynamics
  • Computational Science
  • Computations
  • Computers
  • Engineering
  • Equations
  • Equations Of Motion
  • Fluid Dynamics
  • Laminar Flow
  • Numerical Analysis
  • Physics
  • Potential Flow
  • Reynolds Number
  • Sequences
  • Steady State
  • Strouhal Number
  • Vortex Shedding

Fields of Study

  • Physics

Readers

  • Analytical Mechanics
  • Calculus or Mathematical Analysis
  • Fluid Mechanics and Fluid Dynamics.