Numerical Evaluation of a Light-Gas Gun Facility for Impact Test

Table 5

Achievable muzzle velocities of projectile according to level III threat with 10 g sabots for different diameters.

Gas	(m/s)	Barrel length m	m/s	Sabot diameter mm	Pressure N/mm²	Reservoir cm³
Projectile according to level III threat with different diameter sabot (10 g each, 19.6 g total weight)
Nitrogen	538.41	2.32	—	40.00	20.00	2500.00
Nitrogen	550.37	2.47	—	35.00	20.00	2500.00
Nitrogen	549.90	3.36	549.37	30.00	20.00	2500.00
Nitrogen	549.56	4.92	539.48	25.00	20.00	2500.00
Nitrogen	549.33	7.64	514.70	20.00	20.00	2500.00
Nitrogen	549.18	13.62	469.95	15.00	20.00	2500.00
Nitrogen	549.08	30.63	392.62	10.00	20.00	2500.00
Gas	(m/s)	Barrel length m	m/s	m/s	Pressure N/mm²	Reservoir cm³
Projectile according to level III threat with 10 g sabot (30 mm diameter; 19.6 g weight)
Nitrogen	549.90	3.36	549.37	—	20.00	2500.00
Helium	871.04	5.65	836.01	—	20.00	2500.00
Hydrogen	1087.06	6.61	1013.91	1085.78	20.00	2500.00
Projectile according to level III threat with 10 g sabot (35 mm diameter; 19.6 g weight)
Nitrogen	550.37	2.47	—	—	20.00	2500.00
Helium	871.52	4.16	862.35	—	20.00	2500.00
Hydrogen	1087.50	4.88	1060.50	—	20.00	2500.00