Specie Number Density, Pitot Pressure, and Flow Visualization in the Near Field of Two Supersonic Nozzle Banks Used for Chemical Laser Systems.

Abstract

An experimental investigation of the gas dynamics in the near field of two supersonic nozzle banks used for chemical laser systems was conducted in the von Karman Gas Dynamics Facility (VKF) of the AEDC. The exhaust gases were simulated by mixtures of hydrogen, helium, and nitrogen. Pitot pressure measurements were made, and the electron beam fluorescence technique was used to obtain specie number density and flow visualization photographs. In addition, a few velocity measurements were made using the laser Doppler velocimeter measuring technique. An analytical investigation of the flow inside the nozzles for various reservoir conditions was also conducted. (Author Modified Abstract)

Document Details

Document Type
Technical Report
Publication Date
May 01, 1973
Accession Number
AD0760132

Entities

People

  • D. L. Whitfield
  • James W. Lewis
  • W. D. Williams

Organizations

  • Arnold Engineering Development Complex

Tags

DTIC Thesaurus Topics

  • Chemical Lasers
  • Dynamics
  • Electron Beams
  • Exhaust Gases
  • Flow
  • Flow Visualization
  • Gas Dynamics
  • Gases
  • Lasers
  • Measurement
  • Near Field
  • Nozzles
  • Photographs
  • Pressure Measurement
  • Supersonic Nozzles
  • Velocimeters

Fields of Study

  • Physics

Readers

  • Fluid Dynamics.
  • Molecular Photonics/Laser Physics

Technology Areas

  • Directed Energy
  • Hypersonics
  • Hypersonics - Hypersonic Flight
  • Hypersonics - Hypersonic Flow
  • Microelectronics