Accession Number:

AD0761601

Title:

Interferometric Studies of the Flow in Fast-Expanding Nozzles,

Descriptive Note:

Corporate Author:

NAVAL ORDNANCE LAB WHITE OAK MD

Report Date:

1973-03-19

Pagination or Media Count:

31.0

Abstract:

Interferometric studies have been performed in the test section of the Naval Ordnance Laboratory NOL 127 mm shock tunnel under conditions that closely simulate the flow in a gas dynamic laser GDL cavity. A Mach-Zehnder interferometer has been used to determine the density distribution in two nozzle configurations. In a two-dimensional fast-expanding nozzle, time-resolved interferograms were obtained at 200 microsecond intervals. For a multiple nozzle module interferograms were obtained in two mutually perpendicular directions. The experimental setup is described and the results are discussed. Author

Subject Categories:

  • Lasers and Masers
  • Fluid Mechanics

Distribution Statement:

APPROVED FOR PUBLIC RELEASE