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Topic: Explosive velocity

	Explosive material - Wikipedia, the free encyclopedia
		Explosives are classified as low or high explosives according to their rates of decomposition.
		The term "detonation" is used to describe an explosive phenomenon whereby the decomposition is propagated by the explosive shockwave penetrating the explosive material.
		Explosive force is released at 90 degree angles from the surface of an explosive.
	en.wikipedia.org /wiki/Explosive (5534 words)

	Explosive velocity - Wikipedia, the free encyclopedia
		Explosive velocity is the velocity at which the shockwave front travels from a detonated explosive.
		Velocities often reach into several kilometres per second, as is the case for nitroglycerin, where the explosive velocity has been cited as 7700 m.s
		If the explosive is confined before detonation (such as TNT in an artillery shell), the force produced is focused on a much smaller area (the barrel of the gun), and the pressure is massively intensified.
	en.wikipedia.org /wiki/Explosive_velocity (159 words)

	Low velocity radial deployment with predeterminded pattern - United States Patent 5,691,502 Craddock , et al. 25nov97
		Similarly, the annular body of low velocity explosive comprises a plurality of annular explosive sections, with each of the annular explosive sections being positioned coaxially with and exteriorly of the substantially cylindrical outer surface of a respective one of the annular wall sections.
		Where each annular explosive section is an uninterrupted ring, the different radial thicknesses of the annular explosive sections permit each of the annular explosive sections to have an amount of the low velocity explosive which is different from the amounts of the low velocity explosive in the other annular explosive sections.
		Thus, in the illustrated embodiment, the annular body 122 of low velocity explosive comprises two annular explosive sections 122a and 122b, with each of the annular explosive sections being positioned coaxially with and radially exteriorly of the substantially cylindrical outer surface of a respective one of the annular wall sections 120a and 120b.
	www.mindfully.org /Nucs/Radial-5691502-25nov97.htm (6898 words)

	High and low Explosives
		Ahigh explosive may be a pure compound or a mixture of several compounds with additives, such as powdered metals (aluminum), plasticizing oils, or waxes, that impart desired stability and performance characteristics.
		A high explosive is characterized by the extreme rapidity with which its decomposition occurs; this action is known as "detonation." When initiated by a blow or shock, it will decompose almost instantaneously in a manner similar to an extremely rapid combustion or with rupture and rearrangement of the molecules themselves.
		The rapidity with which an explosive develops its maximum pressure is a measure of the quality known as "brisance." A brisant explosive is one in which the maximum pressure is attained so rapidly that a shock wave is formed, and the net effect is to shatter material surrounding or in contact with it.
	www.tpub.com /gunners/2.htm (1038 words)

	Explosives Residue: Origin and Distribution (Forensic Science Communications, April 2002)
		It can be suggested that explosives residue is derived from this thin, partly reacted, outer layer of the charge, and it is not unreasonable to consider residue as fragments of a container, albeit extremely small, light fragments, where the outer layer from which residue is derived corresponds to the shell of the container.
		Decrease with increasing velocity of detonation because the reaction zone and the interaction zone at the explosive air boundary are narrower, and less material remains in the unreacted or partly reacted state.
		The local particle velocity is a function of the detonation velocity and the bulk sound speed (i.e., the speed of sound in the unreacted explosive [Cooper and Kurowski 1996]), which does not vary widely through the range of common explosive materials.
	www.fbi.gov /hq/lab/fsc/backissu/april2002/kelleher.htm (3968 words)

	Chapter 13 WARHEADS
		Explosives are characteristically unstable chemical compounds or mixtures of unstable compounds, and some explosives are formulated with inert binders to achieve variations in the explosive properties.
		Approximately 30% of the energy released by the explosive detonation is used to fragment the case and impart kinetic energy to the fragments.
		Velocity of the tip of the jet is on order of 8,500 meters per sec, while the trail-ing end of the jet has a velocity on the order of 1,500 meters per sec.
	www.fas.org /man/dod-101/navy/docs/fun/part13.htm (5491 words)

	Assessment Of Current Methodologies To Establish Detonation Transfer Margins
		At each interface between one explosive element and the next, the detonation of the first must be successfully transferred to the next such that reaction of the entire train, and actuation of the end item explosive device, is obtained.
		The velocity shown in Figure 3 was measured for a distance of 4 millimeters.
		The oscillations shown during the leading edge of the velocity curve are a direct measure of the change in velocity caused by longitudinal sound waves in the flying plate.
	neyersoftware.com /Papers/AIAA98/DetonationTransferMargins.htm (4844 words)

	S
		A high explosive which is relatively insensitive to heat and shock, usually initiated by a primary explosive or by an exploding bridgewire.
		Tracer with an igniter element, placed between the explosive in an antiaircraft projectile and the tracer element, that is designed to detonate the explosive after the projectile has passed the target point but is still high enough to be harmless to ground troops.
		In air or other gases, the velocity of sound increases proportionally with the square root of the absolute temperature; the velocity increase is approximately 2% for each 10° C temperature increase.
	www.hydrocut.com /Terms/S.html (7210 words)

	[No title]
		All these explosives are relatively easy to detonate with a #6 blasting cap, but as with all explosive charges the highest efficiency is obtained through the use of a booster in conjunction with the blasting cap.
		This explosive and explosives of similar composition were used in WWI as the main explosive filler in grenades, land mines, and mortar rounds used by French, German and some other forces involved in that conflict.
		The detonation velocity of this explosive is approximately 3200 M/sec.
	www.packetstormsecurity.org /poisonpen/misctext/plastic (6982 words)

	Active Duty Military Army Navy Air Force Marines Coast Guard Reserves Veterans
		The rarefaction wave velocity is not affected by the presence of the tamper, but the rate at which the density drops after arrival of the rarefaction wave is strongly affected.
		The expansion velocity of the core is then limited to the velocity of accelerated material behind the expanding shock front, which is close to the shock velocity itself.
		Explosives with slightly slower detonation velocities include the even denser plumbatol - 4850 m/sec (cast density 2.89) for a composition of 70% lead nitrate/30% TNT; and the relatively light boracitol - 4860 m/sec (cast density 1.55) for a composition of 60% boric acid/40% TNT.
	www.active-duty.com /MI_NuclearWPNSpg2.htm (16571 words)

	Weld Talk Message Boards - Black Powder Welding!
		High velocity explosives are used for their cutting and shattering effect.
		TNT is a high explosive and dynamite is a low explosive which has more of a pushing effect.
		I have explosively cut scuba bottles with wraps of det cord and thicker steel with flex linear shape charge.
	www.hobartwelders.com /mboard/printthread.php?t=13698 (668 words)

	HO TRAVENSUGATO UN POVITTERO
		This explosive is as sensitive to impact as is T.N.T..
		This explosive and explosives of similar composition were used in World War I as the main explosive filler in grenades, land mines, and mortar rounds used by French, German and some other forces involved in that conflict.
		The detonation velocity of this explosive is approximately 32OO M/sec.
	onq.diaryland.com /030501_15.html (7885 words)

	FIXOR: A New Approach to Neutralizing Landmines and UXO, by C. J. (John) Anderson and A.W. (Bill) Bauer (5.2) (Site not responding. Last check: 2007-11-02)
		The goal was to use relatively inexpensive components that were not explosive and could be easily transported around the world by commercial airfreight with minimal logistics and at a low cost.
		FIXOR Explosive is very safe to handle and deploy; however, it must be treated with respect since it is a detonator-sensitive explosive.
		The velocity of detonation (VOD) for this mixture was determined to be approximately 4300 m/s when placed in a plastic (PVC) tube with a 5 cm inner diameter.
	maic.jmu.edu /Journal/5.2/features/fixor.htm (1829 words)

	Modern Explosive Reactive Armours (Site not responding. Last check: 2007-11-02)
		This explosive was confined or tamped by metal sidewalls, thus forming a metal pillbox over the explosive.
		When the jet penetrates the outer plate, the explosive is detonated by the pressures involved and the plates are rapidly forced apart; the acceleration is completed in around 6 us.
		The orientation of the plates to the explosive detonation front accelerates the front plate upwards in the x-y plane and slightly forwards and conversely forces the rear plate downward and slightly backward.
	perso.numericable.fr /~vfofanov/Tanks/EQP/era.html (2433 words)

	CHARACTERISTICS OF EXPLOSIVE REACTIONS (Site not responding. Last check: 2007-11-02)
		explosives may be made to detonate in the same manner
		from ordinary combustion in the velocity of the reaction.
		temperature of ignition or detonation in an explosive for
	www.tpub.com /content/combat/14109/css/14109_12.htm (510 words)

	Energy Citations Database (ECD) - Energy and Energy-Related Bibliographic Citations
		Energy Citations Database (ECD) Document #5222778 - Computer design of a high explosive velocity augmented kinetic energy penetrator
		Availability information may be found in the Availability, Publisher, Research Organization, Resource Relation and/or Author (affiliation information) fields and/or via the "Full-text Availability" link.
		Computer design of a high explosive velocity augmented kinetic energy penetrator
	www.osti.gov /energycitations/product.biblio.jsp?osti_id=5222778 (115 words)

	Megalomania's Method of Making DDNP
		DDNP is a picric acid derivative with somewhat good stability and explosive velocity.
		It is still susceptible to heat, friction, and shock making it a primary explosive.
		DDNP will detonate if it is struck by a sharp blow, but it will only burn rapidly if ignited in the open, even several grams.
	www.roguesci.org /megalomania/explo/DDNP.html (412 words)

	Megalomania's Method of Making HMX
		HMX is a very powerful military explosive with similar properties to RDX, the other great military explosive with which it is often mixed.
		HMX is itself an acronym for either High velocity Military eXplosive, or Her Majesties eXplosive depending on what country you are in.
		HMX is very stable, it requires a powerful detonator or booster charge to detonate.
	roguesci.org /megalomania/explo/HMX.html (393 words)

	NSWC Dahlgren Division - 01Q3007 (Site not responding. Last check: 2007-11-02)
		The Naval Surface Warfare Center, Dahlgren Division, on behalf of the Program Manager for Ammunition, Marine Corps Systems Command and USSOCOM desire the acquisition and qualification of non-development improvements to the existing 40mm M433 Low Velocity High Explosive, Dual Purpose (HEDP) cartridge.
		Improvements must include a propulsion system that provides increased accuracy, a result of reduced deviations in muzzle velocity, and incorporates a self-destruct fuze that allows the cartridge to function and fire from both the M79 and M203 Grenade Launchers.
		If not located in CONUS, the Contractor must be willing to move Load, Assembly and Pack (LAP) of the improved 40mm Low Velocity HEDP cartridge to the United States and provide a summary plan for US based production, to fulfill potential section 806 restrictions.
	www.nswc.navy.mil /supply/solicita/04q1009/1009syn.htm (207 words)

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