Experimental Studies of Photoionization Processes in Air

Abstract

An experimental study is described whose objective is to assess the role of NO in the nonequilibrium vacuum ultraviolet (VUV) radiation from shock- heated air. The experiment utilizes a splitter-plate shock tube technique wherein the VUV radiation behind a reflected shock is used as a light source to measure the absorption by gases processed only by the incident shock wave. In addition, nonequilibrium radiation profiles behind strong incident shock waves are also measured to aid in the identification of the relevant excitation processes. The report describes the apparatus and presents the results of calculations needed to establish testing parameters.

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Document Details

Document Type
Technical Report
Publication Date
Feb 01, 1972
Accession Number
AD0737733

Entities

People

  • Walter H. Wurster

Organizations

  • Calspan

Tags

DTIC Thesaurus Topics

  • Absorption
  • Absorption Coefficients
  • Aeronautical Laboratories
  • Coefficients
  • Emission
  • Ground State
  • Ionization
  • Ionizing Radiation
  • Light Sources
  • Measurement
  • Photoelectrons
  • Photoionization
  • Radiation
  • Shock Tubes
  • Shock Waves
  • Spectrometers
  • Ultraviolet Radiation

Fields of Study

  • Physics

Readers

  • Combustion Dynamics and Shock Wave Physics.
  • Molecular Photonics/Laser Physics