Shear-Layer Manipulation of Backward-Facing Step Flow with Forcing: A Numerical Study

Abstract

By means of experimental and numerical analysis, turbulent flow separation has long been extensively studied. This is not only due to its interesting intrinsic flow features for fundamental studies, but also for its significance in engineering applications in relation to, among others, turbulent heat transfer, drag and noise generation. In the presence of sharp edges, protuberances, curvature surfaces and/or adverse pressure gradient, boundary layer separation is usually accompanied with free shear layer detaching from the wall surface and being characterized by consequent vortex motions and flow recirculation. Flow control of boundary layer separation has usually targeted to delay the separation onset in order to suppress the separation.

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Document Details

Document Type
Technical Report
Publication Date
Sep 19, 2014
Accession Number
AD1006297

Entities

People

  • Shia-hui Peng

Organizations

  • Swedish Defence Research Agency

Tags

Communities of Interest

  • Energy and Power Technologies
  • Materials and Manufacturing Processes
  • Space

DTIC Thesaurus Topics

  • Boundary Layer
  • Computational Fluid Dynamics
  • Computations
  • Engineering
  • Equations
  • Flow
  • Fluid Dynamics
  • Fluid Flow
  • Fluid Mechanics
  • Hydrodynamics
  • Hypervelocity Flow
  • Skin Friction
  • Statistical Analysis
  • Turbulence
  • Turbulent Flow
  • Turbulent Mixing
  • Two Dimensional

Fields of Study

  • Physics

Readers

  • Fluid Mechanics and Fluid Dynamics.
  • Systems Analysis and Design