Ecco a voi
IMG
ELECTROMAGNETIC ARMOR
Electromagnetic armor is a dream dating back to the 1970s. The concept involves mounting two
electrically charged spaced plates above the vehicles basal armor (Figure 11). Upon penetration, the
shaped charge jet creates an electrical short between the plates, producing an intense electrical
discharge and resultant magnetic field around the jet. The magnetic field creates magnetohydrodynamic
instabilities within the jet, thereby disrupting its penetrating capability.57
Electromagnetic armor of this type is being considered for use against APFSDS projectiles as well as
shaped charge jets. As in the case of jets, passing a very large electrical charge through the body of the
penetrator also causes fluctuating and distending instabilities that can lead to their disruption.58
A similar concept, called electrothermal armor, also employs two electrically charge plates,
except that, instead of a sizable air gap between the plate, there is a relatively thin layer of active
insulating material. When a jet or KE penetrator pierces the plates, a surge of electrical current causes
the insulating layer to expand explosively, throwing the plates apart with effects similar to that of ERA.59
EM armor relies on capacitor banks to provide the necessary electrical energy, which, like EM
guns, would be considerable. The energy required to launch plates against even contemporary KE
projectiles would be on the order of 1MJ of KE per plate, requiring a 5MJ capacitor bank that would
occupy 5m3 - roughly equal to one-third the internal volume of a modern tank. Even if considerable
advances are made, EM armor is likely to be practical only as part of an all-electric vehicle, i.e., coupled
with an electric gun and electric drive.60
con i condesatori ai nanotubi di carboni la musica è diversa (densità energetica pari alle batterie al MH sui 70 wh per kg)