Explosion terminology

The relative brisance obtained by this method is comparable to the relative brisance obtained by other methods. However, the test results obtained by this method may be advantageous in a different way as well. Namely, since the beginning of the 20th century, attempts have been made in order to relate the term brisance to some fundamental detonation parameter of explosives. Consequently, the assumption of Taffanel and Dautriche, and later of Becker (cited in Smith, 1967), was made that the detonation pressure is a predominant factor in the determination of the brisance of an explosive. This assumption was proved id by further research. Becker even suggested that the term brisance had outlived its usefulness and should be therefore deleted from modern explosive terminology since it could be defined as the detonation pressure. 

The following terminology is used in the description of the various fires and explosions that can occur at a hydrocarbon facility. 

Jr, A.K. Behlert E. Jercerzewski, Plastic Bonded Explosives for Use in Ammunition , PATM 2-2-62 (1962) 11) Anon, Terminology... 

Explosion has several attributes and hence can be described ot defined in different ways- From the standpoint of chemistry it is a rapid cheuircai process resulting in the evolution of gas and heat. To the classic physical definition of a high-pressure energy release must be added thermonuclear effects. Both chemical and physical concepts must be combined to obtain a complete terminology Ref H. Pessiak, Explosivstoffe, 1960, 23—6, 45-7... 

In cases where the yield of molecular ions is higher than 10% and where the fragmentation pattern depends upon the atomic site of the core hole, the dissociation processes clearly depend upon the electronic structure of the molecule and the details of the electronic relaxation, i.e. not all pathways produce essentially the same result. The mechanism then may involve vibrational dissociation or electronic or vibrational predissociation as well as direct dissociation. Even in these cases, some of the electronic relaxation channels may rupture all the bonds in a molecule and high-kinetic-energy fragments can be produced. Such channels sometimes are labeled a Coulomb explosion, but this terminology should not be confused with the more specific use of the term that is proposed above. 

Supercritical fractionation was investigated for the special-purpose polymers of both the diol and triol of a glycidyl azide polymer and a hydroxy-terminated polybutadiene. Hydroxy polybutadiene is used on a large scale as an ingredient in plastic bonded explosive (PBX) propellant formulations the hydroxy functionality of the polybutadiene reacts with an isocyanate functionality of another prepolymer to form a urethane. In the polysiloxanes section we referred to functionally terminated polymers as macromonomers in the terminology of the urethane industry, however, isocyanate-terminated polyester polymers are normally referred to as prepolymers in their reaction to form the urethane, even though the prepolymers are typically between 1,000 and 10,000 molecular weight. 

The ammonium nitrate/fuel oil explosive mixture is made by mixing 94-96% by weight of ammonium nitrate with 4-6% by weight of fuel oil or diesel fuel. In European terminology, fuel oil is often called liquid paraffin. If you should happen to own a book by an author who didn t know what liquid paraffin is, now you have a leg up on that author. 

This section is simply a primer on some of the terminology and techniques used to destroy military explosives. As noted earlier, this book is not intended as a thorough instruction manual on munitions destruction techniques. Other books already on the market address this aspect. 

Igniters see Initiating Explosives, p.l 19 Jet thrust igniters, for rocket motors or Jato, see Initiating Explosives, p.l 19 Liquid, see Terminology, Liquid, p.241 Plastics bonded charge, see Explosives and Class 7, p.74... 

Aromatic, see Terminology, Organic, p.244 By Mass, see Terminology, By Mass, p.232 Components, explosive train, n.o.s., see Initiating Explosives, p. 119 Desensitized, see Terminology, Desensitized,... 

Metal, see Terminology, Metals, p.242 Mixture, see Terminology, Mixture, p.243 Propellant, liquid, see Ammunition, p.8 Propellant, solid, see Ammunition, p.8 Salts, see Terminology, Salts, p.247 Samples, explosive other than initiating... 

Igniters describe devices used to ignite low explosives, including the first elements of an explosive train. Igniter terminology is used interchangeably ... 

Flammable gas, see Gases and Class 2, p.l04 Flammable liquid, n.o.s., see Flammable Liquids and Class 5, p.96 Fluid, see Terminology, Fluid, p.238 Gas, see Terminology, Gas, p.239 Lighters, fuse, see Initiating Explosives,... 

Calcined, see Terminology, Calcined, p.233 Cartridges, oil well, see Explosive Articles, p.69... 

Explosive, see Explosives and Class I, p.74 Grenades, see Ammunition, p.8 Liquid, see Terminology, Liquid, p.241 Projectiles, see Ammunition, p.8 Water-activated Water-activated contrivances, see Explosive Articles, p.69... 

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