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UNDERWATER EXPLOSION PDF


  • Underwater explosion - Wikipedia
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These typically affect the lungsears and -- in rare cases -- intestines. These gassy chambers basically implode, rupturing and fragmenting tissue. Underwater explosion an explosion surrounded by air, the atmosphere will compress and absorb some of the explosive energy.

This decreases the lethal underwater explosion of the explosion.

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Waterhowever, is often described as incompressible. Technically, it can compress, but it takes a massive amount of pressure to apply a small amount of compression.

This means that in an underwater explosion, the underwater explosion water doesn't absorb the pressure like air does, but moves with it. An underwater explosion underwater explosion propel objects through the water nearly as far as a surface explosion throws shrapnel because of the drag water exerts on objects.

However, an underwater explosion transmits pressure with greater intensity over a longer distance.

Is it worse to be near an explosion on land or in water?

If you stood outside of shrapnel range for an exploding hand grenade, you'd underwater explosion remain unharmed. If you stood at the same range to an underwater explosion, the pressure wave would probably kill you [source: When the wave reached your skin, it would pass through you.

UNDERWATER EXPLOSION PDF

After all, little of its power would be reflected because your body's density is similar to that of the water. The wave would hit the air-filled pockets of your body and instantly compress the gases there, possibly resulting in blocked blood vessels, ruptured lungs, torn internal tissues and even brain hemorrhaging.

Underwater explosion hitting the surface of the water or the bottom of underwater explosion pool would bounce back, inflicting even more damage.

Underwater Explosions - Aquabumps

Explore the underwater explosion below to learn more about explosions, the human body and how to survive other dangerous encounters. Explosive Discoveries The MythBusters are no strangers to lighting a few fuses to answer a nagging question or two.

Watch them debunk myths about hand underwater explosion and underwater explosions at the show's official Web site. Properties of water[ edit ] Underwater explosions differ from in-air explosions due to the properties of water: Mass and incompressibility underwater explosion explosions — water has a much higher density than airwhich makes water harder to move higher inertia.

It is also relatively hard to compress increase density when under pressure in a low range, say up to atmospheres. These two together make water an excellent conductor of shock waves from an explosion.

Effect of neutron exposure on salt water nuclear explosions only — most underwater blast scenarios happen in seawaternot fresh or pure water.

Anatomy of an Underwater Explosion | HowStuffWorks

The water itself is not much affected by neutrons but underwater explosion is strongly affected. When exposed to neutron radiation during the microsecond of active detonation of a nuclear pit, water itself does not typically " activate ", or become radioactive.

The two atoms in water, hydrogen and oxygencan absorb an extra neutron, becoming underwater explosion and oxygen respectively, both of which are stable isotopes.

Even oxygen is stable. Radioactive atoms can result if a hydrogen atom absorbs two neutronsan oxygen atom absorbs three neutrons, or oxygen undergoes a high energy neutron n-p reaction to produce a short lived nitrogen In any typical scenario the probability of such multiple capture in significant numbers in the short time of active nuclear reactions around a bomb are very underwater explosion.

They are somewhat greater when the water is continuously irradiated, as in the underwater explosion loop of a nuclear reactor.

Underwater explosion

Salt in seawater readily absorbs neutrons into underwater explosion the sodium and chlorine atoms, which change to radioactive isotopes.

Sodium has a half-life of about 15 hours, while that of chlorine which has a lower activation underwater explosion isyears. The sodium is the most dangerous contaminant after the explosion because it has a short half-life. Plain distillation or evaporating water clouds, humidity, and precipitation removes radiation contamination, leaving behind the radioactive salt.

UNDERWATER EXPLOSION PDF

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