Support for Graduate Research in Supersonic Reacting Flows

Abstract

This work was aimed at obtaining a more fundamental understanding of mixing and combustion in supersonic flows. Advanced laser based techniques for measurements in an existing supersonic shear layer facility were primarily used. The main scientific question addressed was a comparison of the similarities and differences between mixing and reaction when compressibility plays a significant role. To this end, Particle Image Velocimetry (PIV) was used to obtain detailed, whole field velocity measurements under a range of compressibility conditions. These measurements are complementary to earlier measurements of scalar concentrations in similar flows. New observations concerning the nature of the instantaneous velocity and vorticity fields were made as a function of compressibility. In addition, Planar Laser Mie Scattering is used to obtain structure velocity measurements for comparison with the actual fluid velocities.

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Document Details

Document Type
Technical Report
Publication Date
Sep 09, 1998
Accession Number
ADA354071

Entities

People

  • M. G. Mungal

Organizations

  • Stanford University

Tags

Communities of Interest

  • Space

DTIC Thesaurus Topics

  • Boundary Layer
  • Compressive Properties
  • Contracts
  • Department Of Defense
  • Engineering
  • Flow
  • Fluid Dynamics
  • Fluid Mechanics
  • Layers
  • Mechanical Engineering
  • Mechanical Properties
  • Mechanics
  • Mixing
  • Particle Image Velocimetry
  • Stratified Fluids
  • Students
  • Turbulent Mixing

Fields of Study

  • Physics

Readers

  • Combustion Dynamics and Shock Wave Physics.
  • Fluid Dynamics.
  • Research Science/Academic Research

Technology Areas

  • Directed Energy
  • Hypersonics
  • Hypersonics - Hypersonic Flow