Monochromatic High-Speed Photography of Solid Rocket Propellant Combustion.

Abstract

Eight composite solid propellant formulations containing varying diameter and weight percentages of metallic particles were burned in strand from in two different nitrogen purged combustion bombs at a pressure of 500 psi. High-speed cinemotography was used with an argon laser as the primary monochromatic light source. Two illumination approaches were tried, backlighting and frontlighting. Careful examination of the backlighting films revealed that the flame envelopes surrounding the particles could be eliminated, and that the true particle size could be obtained. However, Schlieren effects obscurred much of the information which was available on the film. The frontlighting technique eliminated the Schlieren effects and allowed good particle behavioral data to be obtained, but the reflected monochromatic light was not sufficient to allow true particle diameters to be taken. (Author)

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Document Details

Document Type
Technical Report
Publication Date
Mar 01, 1983
Accession Number
ADA127874

Entities

People

  • Ronald James Edington

Organizations

  • Naval Postgraduate School

Tags

Communities of Interest

  • Weapons Technologies

DTIC Thesaurus Topics

  • Argon Lasers
  • Cameras
  • Combustion
  • Composite Materials
  • High Speed Photography
  • Illumination
  • Lasers
  • Light Sources
  • Monochromatic Light
  • Motion Pictures
  • Particle Size
  • Particles
  • Photography
  • Propellants
  • Rocket Propellants
  • Solid Propellants
  • Solid Rocket Propellants

Fields of Study

  • Physics

Readers

  • Aerosol Science/Aerosol Physics
  • Optical Physics and Photonics.
  • Rocket Propulsion.

Technology Areas

  • Directed Energy