An underwater explosion creates a cavity filled with highpressure. Using the dicefae code, a numerical solution was generated of both the dispersal and detonation phases for a blu73 liquid fuel air explosive device. The released calorimetric energy heat of explosion detonation is easy to calculate when the chemical composition of the explosion products is known, and this quantity has. All personnel involved in the transportation of hazmat must be familiar and trained with all laws, regulations, host nation hn agreements, and other rules affecting the movement of these. The fuel air bomb is one of the most wellknown types of thermobaric weapon. This treasure trove of information features the hardware store nitro recipe, fuel air explosives, butt kicking ammonium nitrate formulations, nitromethane mixtures and a vastly improved detonator section.
Fuelair explosive article about fuelair explosive by the. Some aspects of blast from fuelair explosives sciencedirect. Using the dicefae code, a numerical solution was generated of both the dispersal and detonation phases for a blu73 liquid fuelairexplosive device. There was no fireball butt presure,destruction and noise was unproportionall with the amount of explosive. Hazardous areas are areas where flammable gases, vapours, liquids, or combustible dusts, fibres or flyings may occur in dangerous quantities and where explosives materialssubstances are exposed to the atmosphere. Pdf solid state fuelair explosives robert weinheimer. Thus for every 21 moles of oxygen that react when air oxidizes a fuel, there are also 79 moles of nitrogen involved. An explosion is a mechanical process generating a destructive highpressure wave in a fluid. Nov 12, 2000 the largest air deliverable conventional weapon in the world is a fuel air explosive. This new class of energetic material, closely related to metallized fuelair explosives, has received extensive attention in recent months.
Sensitiser provides the heat source hot spot to drive the chemical reaction of oxidiser and fuel. Fuelair explosive fae fuelair explosives fae disperse an aerosol cloud of fuel which is ignited by an embedded detonator to produce an explosion. For combustion calculations it is usually satisfactory to represent air as a 21% oxygen, 79% nitrogen mixture, by volume. Then the mixture of fuel and ambient oxygen selfignites to create an explosion with a long pressure wave. Cbu72 blu73b fuel air explosive fae the the 550pound cbu72 cluster bomb contains three submunitions known as fuel air explosive fae. The blu82 was developed by the usaf during the vietnam war. Cluster bombs consist of an outer casing containing dozens of small bomblets.
The submunitions weigh approximately 100 pounds and. Fuel air explosives are basically made of a very flammable, possibly toxic gasvolatile liquid like ethylene oxide and something that can ignite it. Da pam 38564 ammunition and explosives safety standards this major revision, dated 24 may 2011o updates and prescribes army policy on ammunition and explosive safety standards throughout. Cbu72 blu73b fuelair explosive fae the the 550pound cbu72 cluster bomb contains three submunitions known as fuelair explosive fae. The released calorimetric energy heat of explosion detonation is easy to calculate when the chemical composition of the explosion products is known, and this quantity has frequently been used as a measure of the blast energy. A highimpulse thermobaric bomb hit, also known as fuel pump, fuel pump, fuelair explosive fae or fax, a weapon of heat and pressure or vacuum pump is a liquid container volatile or high pressure gas models an explosive mixed with finely powdered and usually two separate explosive charges. Description and specifications kab500od catalog rosoboronexport. Fuelair explosive simulation of farfield nuclear airblasts. Free ly available and operated by the higher intellect project. As a result, a fuelair explosive can have the effect of a tactical nuclear weapon without residual radiation. Aug 23, 2012 detonation length scales for fuelair explosives. Air is a mixture of about 21% oxygen, 78% nitrogen, and 1% other constituents by volume. Fuel air explosives will have a larger blast radius.
On december 27, 1999, interfax reported russian forces were using fuel air explosive bombs in the fighting in chechnya. Hazardous materials hazmat certification and mobility. Other articles where fuelair explosive bomb is discussed. Guidelines for identifying hazardous areas identify a. The apparent simplicity of fuelair explosives belies the very real difficulties in engineering such devices, which fortunately appears to have discouraged their use by terrorists. Some commercial explosives with high fuel content may readily ignite and burn. Hence, these explosives resemble fuelair explosives more than the ideal high explosives.
The fuel air explosive fae device of this invention is equipped with a vity responsive unitary bursterdetonator positioned in the liquid fuel, wherein the burster is heavier than the liquid fuel and the cloud detonator is lighter than the liquid fuel to provide for automatic means to orient the burster at the bottom of the fuel container and to simultaneously orient the cloud detonator at. In confined spaces, burning may lead to detonation. The fuelair explosive fae is one of the bestknown types of thermobaric weapons. Thermobaric and enhanced blast explosives tbx and ebx. What has a higher explosion radius, a feul air bomb or a. Other articles where fuel air explosive bomb is discussed. Pdf thermobaric and enhanced blast explosives tbx and ebx. The objective of the investigation is to determine the feasibility of a.
Russian fuel air explosives vacuum bombs human rights. Ive read that they cause far more damage than normal explosives so if you have a 500 pound fuel air bomb and a 500 pound iron bomb the fuel air bomb will have a far more powerful blast. Chemical initiation of detonation in fuelair explosive clouds. Experimental study of fuelair explosive springerlink. Dicefae analysis of fuel dispersal and detonation from a. The term thermobaric is a compound word derived from.
Since the 1960s, both the us and russian militaries have employed fuelair explosives. The volumetric weapons include thermobaric and fuelair explosives fae, aerosol bombs in german. Fuelair explosions fae have been investigated in the context of farfield nuclear airblast simulation. Jun 01, 2016 how effective are fuel air explosives. Ninan high energy oxidisers fcir advanced solid propellants and explosives advances in solid propellant technology, p1 international hems1 workshop, ranchi, india, 2002, 87106. Energetic measures of effectiveness of aluminized explosives. Sciencemadness discussion board fuel air explosions. Sciencemadness discussion board fuelair explosives. Solid state fuelair enhanced blast or thermobaric explosives have very promising features. Fuelair explosive definition of fuelair explosive by the. Newer types include cluster and fuel air explosive fae bombs. The objective of the investigation is to determine the feasibility of a reusable fae simulator at the one kiloton level. Newer types include cluster and fuelair explosive fae bombs. Series of tests were performed to evaluate the newly developed solidstate fuel air explosives.
In practice, the blast wave typically produced by such a weapon is of a significantly longer duration than that produced by a conventional condensed explosive. Solid state fuelair ebx and tbx enhanced blast and thermobaric explosives have very promising features. Energetic measures of effectiveness of aluminized explosives 1055 effectiveness. Fuelair explosives hy folks, recently i was trying to create an fireball with an 1 dl of gas and 100200g of dinamite. Chemical initiation of detonation in fuelair explosive clouds abstract the invention relates to the chemical initiation of detonation of a fuelinair fae cloud such as might be used in a minefield breaching system. A collection of over 750,000 text files and documents on a variety of subjects. Anfo and waterbased explosives such as water gels and emulsions are more difficult to ignite in the open. Solid state fuel air ebx and tbx enhanced blast and thermobaric explosives have very promising features. Dicefae is a twodimensional, implicit, eulerian, finite difference code which treats fuelair mixtures, fuel droplet breakup, fuel phase changes, and fuelair detonation dynamics.
The main destructive force of fae is high overpressure, useful against soft targets such as minefields, armored vehicles, aircraft parked in the open, and bunkers. Oct 12, 2017 as a result, a fuel air explosive can have the effect of a tactical nuclear weapon without residual radiation. Full text of fuel air explosive systems see other formats technical note 09. Are they more effective at destructionkilling than normal he. For what, exactly, only god and the propellerheads in some basement in the pentagon know. Dicefae is a twodimensional, implicit, eulerian, finite difference code which treats fuel air mixtures, fuel droplet breakup, fuel phase changes, and fuel air detonation dynamics. An explosive charge is a measured quantity of explosive material, which may either be composed solely of one. Fuelair explosives are basically made of a very flammable, possibly toxic gasvolatile liquid like ethylene oxide and something that can ignite it. Da pam 38564 ammunition and explosives safety standards. Chemical initiation of detonation in fuel air explosive clouds abstract the invention relates to the chemical initiation of detonation of a fuel in air fae cloud such as might be used in a minefield breaching system. A component of the system is adapted to carry fuel to the breaching site and is also adapted to carry a compatible. Experiments on an explosion of a fuelair explosive fae are carried out in open field, and comparative analyses between solid fuels, liquidsolid fuels o. Highblast, or thermobaric, explosives initially disseminate the underoxidized detonation products and the unreacted fuel into the ambient air.
This treasure trove of information features the hardware store nitro recipe, fuelair explosives, butt kicking ammonium nitrate formulations, nitromethane mixtures and a vastly improved detonator section. Fuelair explosive fae oder fuelair bomb, umgangssprachlich. A thermobaric weapon, aerosol bomb, or vacuum bomb, is a type of explosive that uses oxygen. Influence of cast composite thermobaric explosive compositions. Verifying performance of thermobaric materials for small to medium caliber rocket warheads pdf. When the explosive is initiated, the gasvolatile liquid quickly escapes, vaporises and mixes with the air surrounding the explosive. These are made from common fuels and are extremely cost effective. Guidelines for identifying hazardous areas identify a hazardous area 1. Experiments on an explosion of a fuelair explosive fae are carried out in open field, and comparative analyses between solid fuels, liquidsolid fuels of different recipes, and tnt of the same mass are applied. Introduction to explosives for official use only c4.
A highimpulse thermobaric bomb hit, also known as fuel pump, fuel pump, fuel air explosive fae or fax, a weapon of heat and pressure or vacuum pump is a liquid container volatile or high pressure gas models an explosive mixed with finely powdered and usually two separate explosive charges. The kab500od dropandforget guided bomb with an eo correlation tv seeker refers to the precisionguided weapons and is designed to engage ground targets like weapon emplacements and manpower nestled in the folds of the terrain under normal weather conditions. Their blast effect is much greater than conventional explosives. The mechanism of an underwater blast presents some interesting phenomena associated with a more dense medium than air. There are hundreds of different explosives, with no universally accepted system for classifying them. Fuelair explosive bomb military technology britannica. What you call a feul air bomb is technically a fuel air explosive fae feet. A wealth of experience related to the fuel air explosives fae programs exists in the services to assist in material selections and possible formulation guides. The composition of explosives is balanced chemically to produce the desired effects in blasting.
On december 27, 1999, interfax reported russian forces were using fuelair explosive bombs in the fighting in chechnya. Fuel air explosives hy folks, recently i was trying to create an fireball with an 1 dl of gas and 100200g of dinamite. The blast wounds and flash burns visible on victims in videos and photographs, coupled with the body positions and few shrapnel wounds, indicates. Hence, these explosives resemble fuel air explosives more than the ideal high explosives. As with all explosive materials, chemical composition is only a starting point in discussing performance. Ninan high energy oxidisers fcir advanced solid propellants and explosives advances in solid propellant technology, p1. Numerical solutions of the blast wave flow from a spherical explosive charge were obtained using the artificial viscosity technique as employed by oppenheim. American institute of aeronautics and astronautics 12700 sunrise valley drive, suite 200 reston, va 201915807 703. A thermobaric weapon, aerosol bomb, or vacuum bomb, is a type of explosive that uses oxygen from the surrounding air to generate a hightemperature explosion. Bombs, mines, blast, fragmentation, and thermobaric mechanisms. The oxide be used either as a pure liquid or gelled with a gelling agent such as silicon dioxide, particulate carbon or aluminum octoate.
Cole and 2002 bali nightclub bombings recommended in alqaedas traditional curriculum of explosives training. Fuelair explosive fae fuel air explosives fae disperse an aerosol cloud of fuel which is ignited by an embedded detonator to produce an explosion. Hazmat requires special attention due to the inherent nature of the items. They can combine superior air blast impulse with metal fragmentation and acceleration effects, thus enabling to create ordnance with improved. An explosive or explosive material is a reactive substance that contains a great amount of potential energy that can produce an explosion if released suddenly, usually accompanied by the production of light, heat, sound, and pressure.
Detonation length scales for fuelair explosives progress. A thermobaric weapon is a type of explosive that utilizes oxygen from the surrounding air to generate an intense, hightemperature explosion, and in practice the blast wave such a weapon produces is typically significantly longer in duration than a conventional condensed explosive. Sensitisers are generally small air bubbles or pockets within the explosive. Read all about the construction of remote control cruise missiles and rc torpedoes. This new class of energetic material, closely related to metallized fuel air explosives, has received extensive attention in recent months. They can combine superior air blast impulse with metal fragmentation and metal acceleration effects. Cluster bombs have both fragmentation and antiarmour capabilities.
628 417 1222 823 769 1208 695 1226 696 262 41 1387 519 115 1131 1294 1540 25 1038 117 215 696 212 231 1229 86 42 784 1116 496 1128 1066 27 1018 1142 566 798 275 1334 773 914 1090 673 701 1291 784