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Grain velocities during ignition of gun propellant

✍ Scribed by William G. Soper

Publisher
Elsevier Science
Year
1975
Tongue
English
Weight
222 KB
Volume
24
Category
Article
ISSN
0010-2180

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✦ Synopsis

By means of a dual-flash X-ray technique, propellant grain velocities during ignition have been determined for the Navy 5-in./38 gun. At the completion of ignition, the velocity profile along the grain bed is sharply peaked with maximun velocity at the propellant free surface.

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A composite propellant subjected to radiant heating at the surface is theoretically investigated. Numerical solutions of the mathematical model which considers ignition as due to runaway chemical reactions at the propellant surface or in the adjacent gas-phase indicate that although inclusion of the