Publication:
The development of an optically active laser Schlieren system with application to high pressure solid propellant combustion

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Authors
Andrews, James Randolph
Subjects
Optically active laser schlieren
Flow visualization-combustion
Advisors
Netzer, D.W.
Date of Issue
1975-09
Date
Publisher
Monterey, California. Naval Postgraduate School
Language
en_US
Abstract
A laser schlieren system, using an optically active single-piece quartz prism-polaroid sheet combination aperture in place of the conventional knife edge, was developed and applied to high pressure solid propellant combustion studies. Advantages and limitations of the system are discussed. Ammonium perchlorate deflagration was observed to pressures of 2500 psi. Distinct surface reaction sites were evidenced in the gas phase at high and low pressures by alternating density gradients across the surface. These sites were found to be very small or nonexistent at intermediate pressures.
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Thesis
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Approved for public release; distribution is unlimited.
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