Two-Dimensional Imaging Measurements in Supersonic Flows Using Laser-Induced Fluorescence of Oxygen,

Abstract

Planar laser induced fluorescence of molecular oxygen in a supersonic jet of heated air is reported. A tunable, narrow-bandwidth ArF excimer laser was used to excite a rovibronic transition of oxygen in the Schumann-Runge band system at 193 nm. A comparison between the predicted pressure and temperature profiles obtained in the underexpanded round jet with the fluorescence image data is presented. Keywords: Laser, Fluorescence, Imaging, Oxygen, Supersonic Flow, Excimer

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Document Details

Document Type
Technical Report
Publication Date
Jun 10, 1987
Accession Number
ADA186353

Entities

People

  • L. M. Cohen
  • M. P. Lee
  • P. H. Paul
  • Ronald Kenneth Hanson

Organizations

  • Stanford University

Tags

Communities of Interest

  • Air Platforms
  • Space

DTIC Thesaurus Topics

  • Absorption Coefficients
  • Bandwidth
  • Classification
  • Computational Fluid Dynamics
  • Doppler Effect
  • Engineering
  • Excimer Lasers
  • Fluid Dynamics
  • High Temperature
  • Laser Induced Fluorescence
  • Lasers
  • Mechanical Engineering
  • Optics
  • Stratified Fluids
  • Supersonic Flow
  • Turbulent Mixing
  • Two Dimensional

Fields of Study

  • Physics

Readers

  • Combustion and Flow Dynamics.
  • Molecular Photonics/Laser Physics
  • Optical Physics and Photonics.

Technology Areas

  • Directed Energy
  • Directed Energy - Lasers
  • Hypersonics
  • Hypersonics - Hypersonic Flow