CONCEPT AND FEASIBILITY STUDIES OF MUZZLE BRAKE BLAST SUPPRESSION DEVICES FOR 105MM AND 155MM HOWITZERS
Final rept. for 13 Dec 1962-26 Feb 1964
ORDNANCE ENGINEERING ASSOCIATES INC DES PLAINES IL
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Results of the following studies are presented analytical determination of overpressure maps resulting from firing Howitzers with muzzle blast suppression devices analyses for evaluating the effects of design parameters comprising the device techniques for computing the dimensionless pressure and mass rate of discharge - dimensionless time histories in the suppression device the effect of time which the projectile remains in the suppression device design parameters of the device which create attenuated overpressures in the crew area a proposed design for the 105mm Howitzer blast suppression device and the stress analysis of the design an analytical study relating to the directional effects of blast waves.