Explosives engineering
Explosives engineering is the field of science and engineering which is related to examining the behavior and usage of explosive materials.
Some of the topics that explosives engineers study, rese...
Explosive velocity
Explosive velocity, also known as detonation velocity or velocity of detonation (VoD), is the velocity at which the shock wave front travels through a detonated explosive. The data listed for a specif...
Use forms of explosives
Explosive materials are produced in numerous physical forms for their use in mining, engineering, or military applications. The different physical forms and fabrication methods are grouped together i...
Deflagration to detonation transition
Deflagration to detonation transition (DDT) refers to a phenomenon in ignitable mixtures of a flammable gas and air (or oxygen) when a sudden transition takes place from a deflagration type of combust...
Neyer d-optimal test
The Neyer D-Optimal Test is a sensitivity test. It can be used to answer questions such as "How far can a carton of eggs fall, on average, before one breaks?" If these egg cartons are very expensive,...
Oxygen balance
Oxygen balance (OB, or OB%) is an expression that is used to indicate the degree to which an explosive can be oxidized. If an explosive molecule contains just enough oxygen to form carbon dioxide from...
Bruceton analysis
A Bruceton analysis is one way of analyzing sensitivity and sensitiveness tests of explosives as described originally by Dixon and Mood in 1948. Also known as the "Up and Down Test" or "the staircase ...
Friction sensitivity
Friction sensitivity is an approximation of the amount of friction or rubbing a compound can withstand before prematurely exploding. For instance, nitroglycerin has an extremely high sensitivity to fr...
Sympathetic detonation
A sympathetic detonation (SD, or SYDET), also called flash over, is a detonation, usually unintended, of an explosive charge by a nearby explosion. Sympathetic detonation is caused by a shock wave, or...
Safety testing of explosives
The safety testing of explosives involves the determination of various properties of the different energetic materials that are used in commercial, mining, and military applications. It is highly desi...
Table of explosive detonation velocities
This is a list of the detonation velocities at specified (typically, the highest practical) density of various explosive compounds.The velocity of detonation is an important indicator for overall ener...
Chapman–Jouguet condition
The Chapman–Jouguet condition holds approximately in detonation waves in high explosives. It states that the detonation propagates at a velocity at which the reacting gases just reach sonic velocity (...
Chapman–Jouguet condition - Wikipedia
ZND detonation model
The ZND detonation model is a one-dimensional model for the process of detonation of an explosive. It was proposed during World War II independently by Y. B. Zel'dovich, John von Neumann, and Werner ...
Relative effectiveness factor
The relative effectiveness factor, or R.E. factor, relates an explosive's demolition power to that of TNT, in units of the TNT equivalent/kg (TNTe/kg). The R.E. factor is the relative mass of TNT to w...
Detonation
Detonation (from Latin detonare, meaning "to expend thunder") is a type of combustion involving a supersonic exothermic front accelerating through a medium that eventually drives a shock fron...
Detonation - Wikipedia
Air-fuel ratio
Air–fuel ratio (AFR) is the mass ratio of air to fuel present in a combustion process such as in an internal combustion engine or industrial furnace. If exactly enough air is provided to completely bu...
Air-fuel ratio - Wikipedia
Trauzl lead block test
The Trauzl lead block test, also called the Trauzl test or just Trauzl, is a test used to measure the strength of explosive materials. It was developed by Isidor Trauzl in 1885.The test is performed b...
Trauzl lead block test - Wikipedia
Figure of Insensitivity
Figure of Insensitivity (or F of I) is an inverse scale of measure of the impact sensitivity of an explosive substance. In this particular context the term 'Insensitivity' refers to the likelihood of...
Gurney equations
The Gurney equations are a set of mathematical formulas used in explosives engineering to relate how fast an explosive will accelerate a surrounding layer of metal or other material when the explosive...
Gurney equations - Wikipedia