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Types of detonators include non-electric and electric. Non-electric detonators are typically stab or pyrotechnic while electric are typically "hot wire" (low voltage), exploding bridge wire (high voltage) or explosive foil (very high voltage). [2] [3] The original electric detonators invented in 1875 independently by Julius Smith and Perry ...
The exploding-bridgewire detonator (EBW, also known as exploding wire detonator) is a type of detonator used to initiate the detonation reaction in explosive materials, similar to a blasting cap because it is fired using an electric current. EBWs use a different physical mechanism than blasting caps, using more electricity delivered much more ...
(A) Slapper detonator's pellet or flyer impacts a wider area of surface on the explosive output charge, and even though energy is lost to the sides of the area impacted, a cone of explosive is efficiently compressed. (B) EBW detonators only initiate a single point, and energy is lost in all directions, making the energy transfer less efficient.
The resistive heating vaporizes the wire, and an electric arc through that vapor creates an explosive shockwave. Exploding wires are used as detonators for explosives, as momentary high intensity light sources, and in the production of metal nanoparticles.
Setting off the NASA standard detonator, which itself activates other systems explosively. Triggering Pyrotechnic Circuit Interrupters, severing bundles of electrical cables. Triggering explosive valves to open/close pressurization lines or fuel lines. Triggering a pyrotechnic pin puller which opens a Marman clamp, separating two spacecraft.
The US Army vet rigged the explosives with makeshift remote detonators he put together from readily available materials, including electric matches, or “hobby switches.”
President Biden says the New Orleans attacker acted alone, and had a remote detonator for explosives before driving a pickup truck into a crowd of people, killing 14 and injuring 35 on New Year's Day.
A typical device consists of a solid cylinder of explosive with a metal-lined conical hollow in one end and a central detonator, array of detonators, or detonation wave guide at the other end. Explosive energy is released directly away from ( normal to ) the surface of an explosive, so shaping the explosive will concentrate the explosive energy ...