Multiangular Scanning Absorption-Emission Techniques for Three Dimensional Combustion Diagnostics.

Abstract

Absorption techniques are being applied to three-dimensional combustion diagnostics. By using multiagular scanning, the traditional 'onion-peeling' method can be extended from axisymmetrial flows to arbitrary distributions of radicals and pollutants in the flow. Since Scattering 'point' techniques are limited by their very small cross section, such an extension would be a step improvement in sensitivity, down to low radical concentrations. Convolution Fourier transforms and iterative algorithms have already been proven in X-Ray absorption tomography and interferometric application.

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Document Details

Document Type
Technical Report
Publication Date
Dec 01, 1978
Accession Number
ADA064837

Entities

People

  • Robert Goulard

Organizations

  • George Washington University

Tags

Communities of Interest

  • Biomedical
  • Energy and Power Technologies
  • Space

DTIC Thesaurus Topics

  • Accuracy
  • Air Force
  • Algorithms
  • Chemical Reactions
  • Combustion
  • Detection
  • Engineering
  • Flow
  • Heat Transfer
  • Inverse Problems
  • Lasers
  • Light Sources
  • Raman Spectroscopy
  • Spectroscopy
  • Three Dimensional
  • Tunable Lasers
  • Turbofan Engines

Fields of Study

  • Physics

Readers

  • Image Processing and Computer Vision.
  • Internal Combustion Engine (ICE) Technology.
  • Spectroscopy.