Holographic investigation of solid propelant combustion particulates.
Faber, Douglas E.
Netzer, David W.
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This investigation refined the techniques for obtaining holographic images of solid propellant combustion products in a two-dimensional motor with high pressure and a cross-flow environment. High quality recording were made of composite propellants with smokeless metal and aluminum additives which had particulate sizes greater than 45 microns and metal mass content of 5 percent or less by weight. The reconstructed holograms provided data on the behavior of aluminum, zirconium carbide and graphite particulates in a steady state combustion environment as a function of the initial additive size cast into the propellant.
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