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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.
Other smaller tests include Air Vent I and Flat Top I-III series of 20 tons TNT at Nevada Test Site in 1963–64, Pre Mine Throw and Mine Throw in 1970–1974, Mixed Company 1 & 2 of 20 tons TNT, Middle Gust I-V series of 20 or 100 tons TNT in the early 1970s, Pre Dice Throw and Pre Dice Throw II in 1975, Pre-Direct Course in 1982, SHIST in ...
One ton of TNT produces 4.184 × 10 9 joules, or (by arbitrary definition) exactly 10 9 thermochemical calories (approximately 3.964 × 10 6 BTU). This definition is only loosely based on the actual physical properties of TNT.
The first thermonuclear ("hydrogen") bomb test released energy approximately equal to 10 million tons of TNT (42 PJ). Nuclear bombs have had yields between 10 tons TNT (the W54) and 50 megatons for the Tsar Bomba (see TNT equivalent). A thermonuclear weapon weighing as little as 600 pounds (270 kg) can release energy equal to more than 1.2 ...
The high explosive was piled in its wooden shipping boxes in the shape of a pseudo-octagonal prism on it. The charge consisted of 89.75 short tons (81.42 t) tons of TNT and 14.91 short tons (13.53 t) tons of Composition B (with the total explosive power of approximately 108 tons of TNT (450 GJ)), actually a few tons more than the stated "100-tons".
A W88 warhead manages to yield up to 475 kilotonnes of TNT (1,990 TJ) with a physics package 68.9 inches (1,750 mm) long, with a maximum diameter of 21.8 inches (550 mm), and by different estimates weighing in a range from 175 to 360 kilograms (386 to 794 lb). [24]
Energy released by explosion of 1 ton of TNT. 4.5×10 9 J: Average annual energy usage of a standard refrigerator [142] [143] 6.1×10 9 J: ≈ 1 bboe (barrel of oil equivalent) [144] 10 10 1.9×10 10 J: Kinetic energy of an Airbus A380 at cruising speed (560 tonnes at 511 knots or 263 m/s) 4.2×10 10 J: ≈ 1 toe (ton of oil equivalent) [144] 4 ...
In March 1940 they calculated the critical mass of a metallic sphere of pure uranium-235, and found that instead of tons, as everyone had assumed, as little as 1 to 10 kilograms (2.2 to 22.0 lb) would suffice, which would explode with the power of thousands of tons of dynamite. [12] [13]