Projectile dynamics at low barrel pressures |
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Authors: | S K Chankaev V Ya Yakovlev |
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Institution: | (1) Piro-Ross Company, Sergiev Posad 141300, Moscow Region |
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Abstract: | A mathematical model for a projectile shot at low pressures in the space behind the projectile space is developed. The pressure
rise is limited because of the nonsimultaneity of propellant ignition and combustion and the discharge of the propellant combustion
products through the gap between the projectile and the walls of the gun barrel. The kinetic characteristics of flame propagation
over the propellant particles are determined. A comparison of calculation and experimental data is performed. The calculation
results are used in designing 2A85 self-propelled launchers and upgrading 2A30 self-propelled launchers.
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Translated from Prikladnaya Mekhanika i Tekhnicheskaya Fizika, Vol. 48, No. 6, pp. 44–49, November–December, 2007. |
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Keywords: | pyrotechnics interior ballistics artillery projectile |
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