Holography as Applied to Jet Breakup and an Analytical Method for Reducing Holographic Droplet Data

Abstract

The use of holography in studying certain fluid mechanics problems was investigated. This effort specifically examined the application of holography to: (1) high speed (supersonic) flow fields by injecting different liquid jets perpendicularly into a Mach 3 gas stream to observe how jet breakup occurs, and (2) the atomization characteristics (droplet size and spatial distribution) of a liquid jet injected into quiescent, atmospheric air. The holograms were recorded in the off-axis, Fresnel, transmission arrangement. The analytical method for processing three-dimensional droplet data consisted of a system of computer programs which operated on the droplet size and spatial coordinates to determine size, mass, number and spatial distribution. Two methods for retrieving holographic data were devised.

Open PDF

Document Details

Document Type
Technical Report
Publication Date
Sep 01, 1972
Accession Number
AD0749854

Entities

People

  • Daweel J. George
  • Frank W. Spaid

Organizations

  • Air Force Research Laboratory

Tags

Communities of Interest

  • Advanced Electronics
  • Air Platforms
  • Energy and Power Technologies
  • Weapons Technologies

DTIC Thesaurus Topics

  • Boundary Layer
  • Cameras
  • Computer Programs
  • Flow Fields
  • Fluid Mechanics
  • Geometry
  • Laser Beams
  • Light Sources
  • Literature Surveys
  • Measurement
  • Photographs
  • Photography
  • Physical Properties
  • Recording Systems
  • Regression Analysis
  • Rocket Engines
  • Two Dimensional

Fields of Study

  • Physics

Readers

  • Combustion and Flow Dynamics.
  • Computer Vision.
  • Optical Physics and Photonics.

Technology Areas

  • Hypersonics
  • Hypersonics - Hypersonic Flow