Flow Visualization of Transient Phenomena in Wind Tunnels

Abstract

Schlieren photography is used to observe the steady state and transient behavior of axial and vectored flow in a two-dimensional thrust vector control nozzle in two different wind tunnels. It is shown that video recording in conjunction with a schlieren optical system is a convenient and useful means of observing transient flow conditions. To illustrate the video capability, the flow response in input variations in the two-dimensional confined jet nozzle is made visible and recorded by the schlieren/video system. The method can be used in wind tunnels in general. Convergent divergent nozzles, Unconventional nozzles, Fluidics, Exhaust gases, Gas surface interactions, Flow visualization, Vortices, Two dimensional flow, Cold flow, Test equipment

Open PDF

Document Details

Document Type
Technical Report
Publication Date
May 01, 1990
Accession Number
ADA284360

Entities

People

  • Jeffrey L. Caton
  • Milton E. Franke

Organizations

  • Air Force Institute of Technology

Tags

Communities of Interest

  • Weapons Technologies

DTIC Thesaurus Topics

  • Boundary Layer
  • Cameras
  • Computational Fluid Dynamics
  • Flow
  • Flow Visualization
  • Fluid Dynamics
  • Fluid Mechanics
  • Images
  • Photographic Images
  • Photographs
  • Photography
  • Schlieren Photography
  • Steady State
  • Two Dimensional
  • Video
  • Video Recording
  • Wind Tunnels

Fields of Study

  • Physics

Readers

  • Combustion and Flow Dynamics.
  • Computer Science/Computer Engineering/Data Science/Digital Signal Processing.
  • Fluid Dynamics.