Research on Ultra-high-speed Armature Nondestructive Recovery Technology of Electromagnetic Railgun

Table 3

Design scheme of nondestructive recovery for U-shaped aluminum armature.

Parameters	Dust mist section	Waterfall section	Still water section	Submerged fiber section
Maximum overload	8 × 10^5 g	8 × 10^5 g	8 × 10^5 g	8 × 10^5 g
Recovery medium	Dust mist	Waterfall	Still water	Submerged fiber
Equivalent density	71.1 kg/m^3	300 kg/m^3	1000 kg/m^3	—
Initial velocity	2500 m/s	1216.79 m/s	666.465 m/s	80.15 m/s
Recovery length	0.574 m	0.114 m	0.12 m	0.5 m
End velocity	1216.79 m/s	666.465 m/s	80.15 m/s	0