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Overpressure (or blast overpressure) is the pressure caused by a shock wave over and above normal atmospheric pressure. The shock wave may be caused by sonic boom or by explosion , and the resulting overpressure receives particular attention when measuring the effects of nuclear weapons or thermobaric bombs .
A blast injury is a complex type of physical trauma resulting from direct or indirect exposure to an explosion. [1] Blast injuries occur with the detonation of high-order explosives as well as the deflagration of low order explosives. These injuries are compounded when the explosion occurs in a confined space.
Scene of the accident in April 2008. At approximately 12 p.m. local time on Saturday, March 15th, 2008, an ex-military ammunition depot in the village of Gërdec in the Vorë Municipality of Albania (14 kilometers from Tirana, the nation's capital), U.S. and Albanian munitions experts were preparing to destroy stockpiles of obsolete ammunition.
Blast waves cause damage by a combination of the significant compression of the air in front of the wave (forming a shock front) and the subsequent wind that follows. [15] A blast wave travels faster than the speed of sound, and the passage of the shock wave usually lasts only a few milliseconds. Like other types of explosions, a blast wave can ...
A blast wave phenomenon is an incident involving the violent release of energy created by detonation of an explosive device. The sudden and intense pressure disturbance is termed the “blast wave.” The blast wave is characterized by an almost instantaneous rise from ambient pressure to a peak incident pressure (Pi).
Blast shelters deflect the blast wave from nearby explosions to prevent ear and internal injuries to people sheltering in the bunker. While frame buildings collapse from as little as 3 psi (20 kPa) of overpressure, blast shelters are regularly constructed to survive several hundred psi. This substantially decreases the likelihood that a bomb ...
Blast from a US Navy fuel–air explosive used against a decommissioned ship, USS McNulty, 1972 A thermobaric weapon, also called an aerosol bomb, or a vacuum bomb, [1] is a type of explosive munition that works by dispersing an aerosol cloud of gas, liquid or powdered explosive.
This page is subject to the extended confirmed restriction related to the Arab-Israeli conflict. 2020 Beirut explosion Aftermath of the explosion, with the destroyed grain silos to the left and the flooded blast crater to the right. Date 4 August 2020 (2020-08-04) Time 18:08:18 EEST (UTC+03:00) Venue Port of Beirut Location Beirut, Lebanon Coordinates 33°54′05″N 35°31′09″E ...