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Topic: Air burst


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In the News (Thu 23 May 19)

  
  Air burst - Wikipedia, the free encyclopedia
An air burst occurs whenever an explosive device such as an anti-personnel artillery shell or a nuclear weapon is detonated in the air instead of on contact with the ground or target or a delayed armor piercing explosion.
Air bursts were used in the first World War to shower enemy positions and men with shrapnel to kill the largest possible number of them with a single burst, assuming that the blast was directly over the trench the men were positioned in.
Air bursts are used primarily against infantry in the open or unarmored targets, as the resulting shrapnel covers a large area but will not penetrate armor, entrenchments, or fortifications.
en.wikipedia.org /wiki/Air_burst   (584 words)

  
 Polyester filament woven fabric for air bags - Patent 5474836
The air permeability of the conventional calendered woven fabric, however, is increased to a level similar to that of the corresponding uncalendered woven fabric due to a recovery in volume of the conventional woven fabric with the lapse of time.
The burst strength retention of the bag was represented by a ratio in % of the burst strength of the aged bag to that of the non-aged bag.
The burst strength retention of the air bag was determined from the burst strength of the non-aged fabric and that of the aged fabric.
www.freepatentsonline.com /5474836.html   (7704 words)

  
 The Effects of Nuclear Weapons, 1977: Scientific Aspects of Nuclear Explosion Phenomena
2.117 As the (combined) shock front from a normal air burst moves ahead of the isothermal sphere it causes a tremendous compression of the ambient air and the temperature is thereby increased to an extent sufficient to render the air incandescent.
For surface bursts in the transition range between air bursts and contact bursts, the radius of the fireball at breakaway is somewhere between the values given by equations (2.127.1) and (2.127.2).
The interaction of the air molecules with the prompt gamma rays, neutrons, and high-energy component of the X rays produces a strong flash of fluorescence radiation (¤ 2.140), but there is less tendency for the X-ray veil to form than in an air burst (¤ 2.111).
www.cddc.vt.edu /host/atomic/nukeffct/enw77b3.html   (6474 words)

  
 Chronological Development of Air Burst
The blast wave front in the air is seen to be well ahead of the fireball, about 800 feet for the 20-kiloton explosion and roughly half a mile for the 1-megaton detonation.
At a certain distance from ground zero, which depends upon the height of burst and the energy yield of the weapon, the primary and reflected wave fronts fuse near the ground to form a single, reinforced Mach front (or stem).
As it ascends, it causes air to be drawn inward and upward, somewhat similar to the updraft of a chimney.
www.cddc.vt.edu /host/atomic/nukeffct/airburst.html   (1118 words)

  
 Developing An Air Campaign Strategy   (Site not responding. Last check: 2007-10-22)
The undisputed bottom line is that air attacks on Saddam’s ground forces were one of the keys to one of the most one-sided victories in the history of warfare.
Air power advocates have consistently oversold the promises of their profession and inadvertently caused great damage to air power’s legacy, which, in turn, has tended to callous the Army’s ears over time.
Air power was the dominant player in the Gulf War—air power prepared the battlefield like never before in the history of warfare, but it did not operate alone, nor could it guarantee success without the Coalition surface forces below.
www.airpower.maxwell.af.mil /airchronicles/cc/smith.html   (2599 words)

  
 FM 8-9 Part I/Chptr 3 Effects of Nuclear Explosions
When the expanding blast wave from a nuclear air burst strikes the surface of the earth, however, it is reflected (Figure 3-I), and the reflected wave reinforces and intensifies the primary wave.
As the height of burst for an explosion of given yield is decreased, or as the yield of the explosion for a given height of burst is increased, Mach reflection commences nearer to ground zero and the overpressure near ground zero becomes larger.
In high altitude air bursts (above 30 km), the low density of the atmosphere alters the nature of the thermal radiation process because the primary thermal radiation is absorbed in a much larger volume of air, and the temperature of the system is correspondingly less.
www.fas.org /nuke/guide/usa/doctrine/dod/fm8-9/1ch3.htm   (6562 words)

  
 AirBurst - Lee Cook
The air burst system is operated once a shift, a day, a week or some longer period.
If pneumatic actuators are used the air for operation can be plant air if available or the air can be supplied as part of the air burst screen cleaning system from a controls air receiver fed from the primary receiver.
The air burst screen cleaning system is to be installed in a weather protective shelter which will exclude rain and excessive dust and will also ensure the temperature range experienced by the system is between 40oF and 110oF.
www.waterscreen.com /legacy/airburst2.html   (1204 words)

  
 TRI Thermal Weld Burst Test Report
The results also showed that there is a strong relationship between peel and burst and that a non-destructive burst test, performed in the field, could be used to ensure the strength of installed seams.
The burst test was performed by sealing off one end of a seam length and pressurizing the other end with compressed air.
Also, in the hot air seams (“A” series) the numbering is not consistent from 1 to 36, as it is in the hot wedge seams (“W” series).
www.geomembrane.com /Testing/BurstTest.htm   (1028 words)

  
 Nuclear Weapon Effects
An air burst is an explosion in which a weapon is detonated in air at an altitude below 30 km but at sufficient height that the fireball does not contact the surface of the earth.
A subsurface burst is an explosion in which the point of the detonation is beneath the surface of land or water.
A high altitude burst is one in which the weapon is exploded at such an altitude (above 30 km) that initial soft x-rays generated by the detonation dissipate energy as heat in a much larger volume of air molecules.
www.fas.org /nuke/intro/nuke/effects.htm   (1748 words)

  
 Strategic Affairs - Analysis
While Desert Storm demonstrated that the application of air power was the most practical means of crushing an opponent's information processing and transmission nodes, the need to physically destroy these with guided munitions absorbed a substantial proportion of available air assets in the early phase of the air campaign.
EMP is caused by the rapid release of gamma radiation from the nuclear explosion.
The peak amplitude increases with burst height until it reaches tens of kilovolts per meter as the burst approaches the high-altitude region.
www.stratmag.com /issueJune-15/page07.htm   (5704 words)

  
 Determination of the Burst Initiation Location and the Tear Propagation Velocity during Air Burst Testing of Latex ...
The stress testing of latex condoms by an air burst procedure has been slow in gaining industry acceptance because questions have been raised regarding the influence of the test apparatus on the likelihood of breakage occurring where the condom is attached to the inflation device.
The air burst test has been questioned primarily on the influence on the burst initiation process of the device to which the condom is attached.
It appears to this author that this area is, in fact, the one which is subjected to the greatest stress and that the region of attachment and the tip are, in fact possibly the least stressed regions of the fully inflated condom.
www.rit.edu /~andpph/text-high-speed-condom.html   (2567 words)

  
 Air Bursts   (Site not responding. Last check: 2007-10-22)
When the bottom portion of the bubble comes in contact with the ground, it is reflected and therefore causes a second blast wave traveling behind the direct shock wave along the ground.
For this reason, air bursts are not used for maximum blast wave intensity, but rather for a large area that is exposed to the blast wave.
Further applications of using the air bursts regarding the blast wave uses the idea that certain structures will be completely destroyed with a certain psi.
www.eas.asu.edu /~holbert/eee460/cjc/Air_Bursts.html   (409 words)

  
 Mineral Oil Lubricants Cause Rapid Deterioration of Latex
Customary ISO Air Burst Tests were conducted utilizing purified nitrogen gas, rather than air, as the inflating gas.
In the Air Burst Test, the open rim of a condom is fitted over the opening atop the Air Burst Instrument, and the condom is inflated at a standard rate of 24.5 L per minute until the condom bursts.
Burst pressures for the distilled water and spermicide treated condoms were not different from controls.
www.walnet.org /csis/med_research/oilstudy.html   (1969 words)

  
 Air Toys: X-zylo Ultra, Hang Glider Jack, Air Rider xzylo, Maple Seed Copter, Air Burst Rocket, Spitwad Launcher
The X-zylo, Air Burst Rocket, Maple Seed Copter, and Hang Glider Jack below are all made by the William Mark Corporation.
Air rider is a blast for ages 6 to 106!
Air Burst was developed to provide the excitement of solid state rocket fuel without the first and at a cost of pennies rather than dollars per flight!
www.superdairyboy.com /Toys/Air_Toys.html   (474 words)

  
 Air Burst Rocket
The Air Burst Rocket incorporates an entirely new propulsion technology utilizing air to create a shock wave effect that launches its rockets higher and faster than any non-combustion rockets on earth.
Through the bursting of membrane boosters within the launcher, Air Burst generates astounding power that sends model rockets to amazing heights.
With five different thrust levels to choose from, you can launch Air Burst rockets to varying altitudes reaching over 1000 feet beyond visual range.
www.zerotoys.com /newsite/products/AirBurstRocket.htm   (104 words)

  
 Air Burst Rocket @ GadgetStuff.com   (Site not responding. Last check: 2007-10-22)
The Air Burst Rocket incorporates an entirely new propulsion technology utilising air to create a shockwave and venturi effect that launches itself higher and faster than any non-combustion rocket on earth.
Through the bursting of membrane boosters within the launcher, Air Burst generates astounding power that sends this missile up to 1000 feet in height!
Choose from one of five different membrane configurations and it's possible to control the air pressure and therefore the approximate 'peak' height of the rocket.
www.gadgetstuff.com /gifts-gadgets/Air-Burst-Rocket.asp   (282 words)

  
 Massive Ordnance Air Burst
The U.S. Air Force is developing a new, 2nd generation, ten ton large, low air burst bomb.
Until the BLU-82 came along, the biggest non-nuclear explosion obtainable was with a FAE (Fuel Air Explosives).
There's one drawback, the size and density of the aerosol cloud depends a lot on the wind, air temperature and humidity.
www.redrat.net /BUSH_WAR/moab.htm   (497 words)

  
 Howstuffworks "How MOAB Works"
The idea behind an "air burst" weapon, as opposed to a weapon that explodes on impact with the ground, is to increase its destructive range.
A bomb that penetrates the ground and then bursts tends to send all of its energy either down into the ground or straight up into the air.
An air burst weapon sends a great deal of its energy out to the side.
science.howstuffworks.com /moab.htm/printable   (691 words)

  
 Air Burst Rocket
The launching system uses a bursting membrane which creates an air-powered shock wave and venturi effect which propels the rocket higher and faster than any non-combustion rocket on earth.
Obviously, this is not meant to be used by smaller astronauts-in-training.
The Air Burst Booster package contains 60 extra boosters for the Air Burst Rocket: 30 Photons (white) and 30 Bozons (red).
explore4fun.com /airburstrocket.html   (129 words)

  
 Air Burst Rockets System
The award winning Air Burst Rockets System incorporates an entirely new propulsion technology, utilizing air to create a shock wave and venturi effect that launches its rockets higher and faster than any non-combustion rockets on Earth!
Through the bursting of membrane boosters within the launcher, Air Burst generates astounding power that sends its rockets to amazing heights.
With five different altitude levels to choose from, you can launch Air Burst rockets to varying heights reaching up to 1,000 feet and even beyond visual range.
www.countdowncreations.com /rockairbrst.htm   (168 words)

  
 Military Photos
February 27, 2003: The U.S. Air Force is developing a new, 2nd generation, ten ton large, low air burst bomb.
The replacement for the BLU-82 bomb, called MOAB (Massive Ordnance Air Burst) simply uses nine tons of more powerful tritonal explosives, rather that 6.3 tons of the slurry of ammonium nitrate and powdered aluminum used in the BLU-82.
In dry, dusty conditions, the Daisy Cutter produces a mushroom cloud similar to that created by a nuclear explosion (and for the same reason, the sheer size of the explosion creates an upward pull that sends up a "mushroom" of smoke and dust on a column of smoke).
www.strategypage.com /gallery/default.asp?target=moab.htm   (572 words)

  
 PM6 with large burst of air out of back of marker... - PbNation
So it'll fire, but theres a burst of air out of the back of the marker/bolt that shouldnt be there.
thats all the air that comes out the back like the only way i can even tell air is coming back out is by putting my lips up to it.
I know that there is usually a *small* burst of air that is released.
www.pbnation.com /showthread.php?t=1832498   (1059 words)

  
 XM29 Integrated Air Burst Weapon (via CobWeb/3.1 planetlab2.cs.virginia.edu)   (Site not responding. Last check: 2007-10-22)
The XM29's unique, full-solution target acquisition/fire control system combined with precision 20mm air bursting ammunition provide a significant overmatch capability against today's threats, resulting in a dramatic increase in soldier survivability.
The XM29 has a dual semi-automatic over and under configuration capable of firing 20mm air bursting ammunition or NATO standard kinetic energy 5.56mm ammunition.
The system has been demonstrated at ranges two to three times the current 40mm system to accurately deliver an air burst one meter over the lased target on the first shot fired.
www.globalsecurity.org.cob-web.org:8888 /military/systems/ground/m29-oicw.htm   (1467 words)

  
 Ammo warriors keep close-air support of U.S., coalition forces a reality   (Site not responding. Last check: 2007-10-22)
Since Sept. 15, the 455th munitions flight provided more than 23,000 rounds of 30mm ammunition, 15,000 countermeasures, 103 rockets, 14 500-pound air burst bombs and nine laser-guided bombs in support of the ongoing global war on terrorism.
Deployed here from Davis-Monthan Air Force Base, Ariz., the role of the 455th Air Expeditionary Aircraft Maintenance Squadron munitions flight is to provide ammunition to those experiencing combat with enemy aggressors.
Since Sept. 15, the 455th EAMXS munitions flight has supplied more than 23,000 rounds of 30mm ammunition, 15,000 countermeasures, 103 2.75-inch rockets, 14 500-pound air burst bombs and nine laser-guided bombs in support of the ongoing global war on terrorism.
www.af.mil /news/story.asp?storyID=123013194   (619 words)

  
 AEGiS-06IAC: Initial break-point of latex condoms during the air burst test, viewed with high speed photography.   (Site not responding. Last check: 2007-10-22)
OBJECTIVE: To determine whether the internationally used Air Burst Test is flawed as a measure for condom strength.
RESULTS: Rupture of the condom typically is initiated at a focal point on the shank of the condom, then propagates throughout the condom's surface, often ending at the point of attachment to the air burst instrument.
The value of the Air Burst Test as a standard for assessing manufacturing quality control as well as for condom strength measurements and comparisons is supported by these observations.
www.aegis.com /conferences/iac/1990/SC757.html   (281 words)

  
 Ozone Generator Safety, Is Ozone Safe? Yes, Ozone Generators Are Safe! - Air-Zone Ozone Generators
When purifying air only low levels of ozone are needed.
The "burst timer" built right into our smaller machines is designed to limit the amount of ozone to very low levels for use as an air purification device.
Our smaller machines XT-120 - XT-800 have burst timers to limit the ozone production so that they can be used as low ozone level air purifiers that operate within "safe" levels.
www.air-zone.com /isozonesafe.html   (1955 words)

  
 burst
The bitter cold caused the pipes to burst.
This room will be bursting at the seams when all the guests arrive.
A burst from the machine gun shattered all the windows.
www.infoplease.com /dictionary/burst   (197 words)

  
 FIREPOWER: ‘Massive Ordnance Air Burst’ Bomb Set to Go if War Begins   (Site not responding. Last check: 2007-10-22)
As the United States approaches the possibility of war with Iraq, military sources say there will be a major effort to cripple Iraq's air defenses in both these zones and in the south, to take out surface-to-surface missiles that pose a threat to American troops in Kuwait.
Except MOAB is not a fuel air bomb.
MOAB, and it's predecessor the "Daisy Cutter" are not fuel air bombs.
www.freerepublic.com /focus/f-news/862172/posts   (1216 words)

  
 Shopping.com - Shopping made simple
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www.shopping.com /xGS-Air_Burst   (989 words)

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