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On 2 April 1916, an explosion blew through the gunpowder mill at Uplees, near Faversham, Kent, when 200 tons of TNT ignited. 105 people died in the explosion. The munitions factory was next to the Thames estuary , and the explosion was heard across the estuary as far away as Norwich , Great Yarmouth , and Southend-on-Sea , where domestic ...
TNT equivalent is a convention for expressing energy, typically used to describe the energy released in an explosion. The ton of TNT is a unit of energy defined by convention to be 4.184 gigajoules ( 1 gigacalorie ), [ 1 ] which is the approximate energy released in the detonation of a metric ton (1,000 kilograms) of TNT .
The blast measured 3.4 on the Richter scale, [2] with an estimated power equivalent to 20-40 tons of TNT. [1] The explosion was heard 80 km (50 miles) away. Due to the acoustics of the hills and the loud sound, the explosion was reported as occurring in multiple places. Police at first believed that at least five bombs had simultaneously gone off.
Nitrogen triiodide explosion. A contact explosive is a chemical substance that explodes violently when it is exposed to a relatively small amount of energy (e.g. friction, pressure, sound, light). Though different contact explosives have varying amounts of energy sensitivity, they are all much more sensitive relative to other kinds of explosives.
An electrical signal of unknown origin caused the explosion to go off 0.25 seconds early, ruining experiments that required split-second timing. The piezoelectric gauges developed by Anderson's team correctly indicated an explosion of 108 tons of TNT, but Luis Alvarez and Waldman's airborne condenser gauges were far less accurate. [51] [55]
The test was held at the Suffield Experimental Station in Alberta and was the largest ever man-made, non-accidental explosion in Canada. The test was also the first of its kind using a stacked TNT block hemisphere of such magnitude, a method repeated in six subsequent tests such as Operation Sailor Hat and Prairie Flat. The test allowed ...
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 also cause damage to things and people by the blast wind, debris, and fires. The original explosion will send out fragments that travel very fast.
In detonation, the flame front travels through the air-fuel faster than sound; while in deflagration, the flame front travels through the air-fuel slower than sound. Detonations occur in both conventional solid and liquid explosives, [3] as well as in reactive gases. TNT, dynamite, and C4 are examples of high power explosives that detonate.