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A gas explosion is the ignition of a mixture of air and flammable gas, typically from a gas leak. [1] In household accidents, the principal explosive gases are those used for heating or cooking purposes such as natural gas , methane , propane , butane .
Internally the mine contains a layer of C-4 explosive behind a matrix of about seven hundred 1 ⁄ 8-inch-diameter (3.2 mm) steel balls set into an epoxy resin. When the M18A1 is detonated, the explosion drives the matrix forward, out of the mine at a velocity of 1,200 m/s (3,937 ft/s), [1] at the same time breaking it into individual fragments ...
The main mechanism of detonation propagation is of a powerful pressure wave that compresses the unburnt gas ahead of the wave to a temperature above the autoignition temperature. In technical terms, the reaction zone (chemical combustion) is a self-driven shock wave where the reaction zone and the shock are coincident, and the chemical reaction ...
GAG units have been used in Australia, most notably in 2000 at the Blair Athol Mine, Queensland, where one extinguished a 54-year-old coal fire. [7] In 2003, a team from the Queensland Mine Rescue Service took a unit to West Virginia, where they successfully extinguished a 660-foot (200 m) deep, two-month-old fire at Loveridge Mine, after ten days of continuous use.
A 500-gallon underground propane tank was found at a Virginia home that exploded Friday, killing one firefighter and injuring others, officials said Saturday.
The Juba tanker explosion was a tank truck explosion that occurred on 17 September 2015 in a suburb of Juba, the capital of South Sudan. It killed an estimated 176 people, most casualties coming from the crowd that had converged on the scene of the leaking tanker. The Red Cross dispatched aid to the suburb of Maridi after the incident.
[2]: 28 However, the tank had a polyurethane lining, which enabled gas to be trapped inside the lining even after the liquid had been drained. [7] At the time of the explosion, the men were sealing cracks in the plastic lining of the tank. [8] [9] The roof of the tank was designed to collapse in the event of an explosion. [5]
The LPG (liquefied petroleum gas) storage spheres were about 450m away from the nearest refinery unit and about 300 m (1,000 feet) from the nearest houses in the village. The shortest distance between an LPG sphere and the motorway was 42.4m (138 feet), and the spacings between individual spheres varied from 11.3m (37 feet) to 17.2m (56 feet).