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The exploding wire method or EWM is a way to generate plasma that consists of sending a strong enough pulse of electric current through a thin wire of some electrically conductive material. The resistive heating vaporizes the wire, and an electric arc through that vapor creates an explosive shockwave .
The most common commercial wire size is 0.038 mm (1.5 mils) in diameter and 1 mm (40 mils) in length, but lengths ranging from 0.25 mm to 2.5 mm (10 mils to 100 mils) can be encountered. From the available explosives, only PETN at low densities can be initiated by sufficiently low shock to make its use practical in commercial systems as a part ...
The remaining volume is filled with a stoichiometric mixture of (H 2 or D 2 and O 2). This mixture is detonated by a very short, thin exploding wire located at the geometric center. The arrival of the detonation wave at the spherical surface instantly and simultaneously fires the explosive liner.
The two wires came close but did not touch, so a large electric spark discharge between the two wires would fire the cap. [ 6 ] In 1832, a hot wire detonator was produced by American chemist Robert Hare , although attempts along similar lines had earlier been attempted by the Italians Volta and Cavallo. [ 7 ]
The blaze in Spencer, Massachusetts was reported at 4 p.m. on Sunday, Dec. 23
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A slapper detonator, also called exploding foil initiator (EFI), is a detonator developed by Lawrence Livermore National Laboratory, US Patent No. 4,788,913 (Filed 1971, Granted 1988). It is an improvement over the earlier exploding-bridgewire detonator .
A law firm representing victims of the Eaton Fire in Los Angeles has submitted photos with a legal filing on Wednesday that appear to show exposed wire at the base of a Southern California Edison ...