Temporal and Spatial Temperature Measurements of Combustion Flames.

Abstract

Five methods have been developed theoretically from steady state rate theory and four have been verified experimentally for the measurement of spatial flame temperatures. All of the methods have potential use on a 'single' pulse (time period less than 1 micron) basis for the measurements of flame temperatures. All of the methods involve the use of one or two closely spaced (in time) dye laser pulses to excited atomic fluorescence of probe atoms (e.g., T1, In, Ga, etc.) introduced as an aerosol into the flames. Several experimental difficulties have resulted in initial barriers to the measurement of flame temperatures in hydrocarbon flames as well as the use of an available SIT detector for height profiles of flame temperatures. Other studies have included the theoretical development nad experimental implementation of absolute concentration measurements of atom probes in flame as well as study of saturation broadening of atomic lines. (Author)

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Document Details

Document Type
Technical Report
Publication Date
May 21, 1980
Accession Number
ADA089375

Entities

People

  • James D. Winefordner

Organizations

  • University of Florida

Tags

Communities of Interest

  • Energy and Power Technologies
  • Ground and Sea Platforms

DTIC Thesaurus Topics

  • Aeronautical Laboratories
  • Air Force Facilities
  • Chemistry
  • Combustion
  • Detection
  • Detectors
  • Dye Lasers
  • Energy
  • Laser Beams
  • Laser Induced Fluorescence
  • Laser Pulses
  • Lasers
  • Liquid Dye Lasers
  • Measurement
  • Optical Detection
  • Spectroscopy
  • Steady State

Fields of Study

  • Physics

Readers

  • Combustion science or combustion engineering.
  • Geodesy

Technology Areas

  • Directed Energy
  • Directed Energy - Lasers
  • Space
  • Space - Hall-Effect Thruster